2026-03-05 03:01:15	INFO	::casa	Using user configuration file /home/casatest/.casa/config.py
2026-03-05 03:01:15	INFO	::casa	loaded config file : /wheeldirectory/casa-6.7.5-5-py3.12.el9/lib/py/lib/python3.12/site-packages/casaconfig/config.py
2026-03-05 03:01:15	INFO	::casa	loaded config file : /home/casatest/.casa/config.py
2026-03-05 03:01:15	INFO	::casa	
2026-03-05 03:01:15	INFO	::casa	config values
2026-03-05 03:01:15	INFO	::casa	    agg = False
2026-03-05 03:01:15	INFO	::casa	    cachedir = '/home/casatest/.casa'
2026-03-05 03:01:15	INFO	::casa	    casaconfig_verbose = 1
2026-03-05 03:01:15	INFO	::casa	    colors = 'Neutral'
2026-03-05 03:01:15	INFO	::casa	    data_auto_update = False
2026-03-05 03:01:15	INFO	::casa	    data_update_interval = 1
2026-03-05 03:01:15	INFO	::casa	    datapath = ['/opt/casa/data/master', '/opt/casa/data/casatestdata']
2026-03-05 03:01:15	INFO	::casa	    iplog = False
2026-03-05 03:01:15	INFO	::casa	    iplogfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/ipython-20260305-030111.log'
2026-03-05 03:01:15	INFO	::casa	    log2term = True
2026-03-05 03:01:15	INFO	::casa	    logfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/casa-20260305-030111.log'
2026-03-05 03:01:15	INFO	::casa	    measures_auto_update = False
2026-03-05 03:01:15	INFO	::casa	    measures_site = ['https://www.astron.nl/iers/', 'https://go.nrao.edu/iers/']
2026-03-05 03:01:15	INFO	::casa	    measures_site_interval = 2
2026-03-05 03:01:15	INFO	::casa	    measures_update_interval = 1
2026-03-05 03:01:15	INFO	::casa	    measurespath = '/opt/casa/data/master'
2026-03-05 03:01:15	INFO	::casa	    nogui = False
2026-03-05 03:01:15	INFO	::casa	    nologfile = False
2026-03-05 03:01:15	INFO	::casa	    nologger = True
2026-03-05 03:01:15	INFO	::casa	    pipeline = False
2026-03-05 03:01:15	INFO	::casa	    startupfile = '/home/casatest/.casa/startup.py'
2026-03-05 03:01:15	INFO	::casa	    user_site = False
2026-03-05 03:01:15	INFO	::casa	
2026-03-05 03:01:15	INFO	::casa	casarundata version is unknown, this is probably a legacy version not installed by casaconfig
2026-03-05 03:01:15	INFO	::casa	measures version : WSRT_Measures_20211217-160001.ztar
2026-03-05 03:01:15	INFO	::casa	
2026-03-05 03:01:15	INFO	::casa	Checking Measures tables in data repository sub-directory /opt/casa/data/master/geodetic
2026-03-05 03:01:15	INFO	::casa	  IERSeop2000 (version date, last date in table (UTC)): 2026/02/23/15:15, 2025/12/31/00:00:00
2026-03-05 03:01:15	INFO	::casa	  IERSeop97 (version date, last date in table (UTC)): 2026/02/23/15:15, 2025/12/31/00:00:00
2026-03-05 03:01:15	INFO	::casa	  IERSpredict (version date, last date in table (UTC)): 2026/03/04/15:15, 2026/06/02/00:00:00
2026-03-05 03:01:15	INFO	::casa	  TAI_UTC (version date, last date in table (UTC)): 2026/02/23/15:15, 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 6.7.5.5 -- Common Astronomy Software Applications [6.7.5.5]
2026-03-05 03:01:15	INFO	phaseshift::::casa	##########################################
2026-03-05 03:01:15	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:01:15	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'} )
2026-03-05 03:01:15	INFO	MSTransformManager::parseMsSpecParams	Input file name is /opt/casa/data/casatestdata/unittest/phaseshift/split11.ms
2026-03-05 03:01:15	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:01:15	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshift11.ms
2026-03-05 03:01:15	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:01:15	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:01:15	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:01:15	INFO	MSTransformManager::open	Select data
2026-03-05 03:01:15	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:01:22	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a dictionary of field->center.Using following phase centers:
2026-03-05 03:01:22	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 1h27m38.337s +5d25m38.886s' successfully parsed for field 0
2026-03-05 03:01:22	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:01:26	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:01:26	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:01:15.239181 End time: 2026-03-05 03:01:26.215586
2026-03-05 03:01:26	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:01:26	INFO	phaseshift::::casa	##########################################
.2026-03-05 03:01:26	INFO	phaseshift::::casa	##########################################
2026-03-05 03:01:26	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:01:26	INFO	phaseshift::::casa	phaseshift( vis='datacopy.ms', outputvis='test_vis_multi_field_phasecenter_dict.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter={'0': 'GALACTIC 19h53m50 40d06m00', '2': 'GALACTIC 22h01m02 40d04m03'} )
2026-03-05 03:01:26	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-03-05 03:01:26	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:01:26	INFO	MSTransformManager::parseMsSpecParams	Output file name is test_vis_multi_field_phasecenter_dict.ms
2026-03-05 03:01:26	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:01:26	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:01:26	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:01:26	INFO	MSTransformManager::open	Select data
2026-03-05 03:01:26	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:01:33	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a dictionary of field->center.Using following phase centers:
2026-03-05 03:01:33	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 19h53m50 40d06m00' successfully parsed for field 0
2026-03-05 03:01:33	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 22h01m02 40d04m03' successfully parsed for field 2
2026-03-05 03:01:33	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:01:34	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:01:34	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:01:26.349030 End time: 2026-03-05 03:01:33.736859
2026-03-05 03:01:34	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:01:34	INFO	phaseshift::::casa	##########################################
.2026-03-05 03:01:34	INFO	phaseshift::::casa	##########################################
2026-03-05 03:01:34	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:01:34	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'} )
2026-03-05 03:01:34	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-03-05 03:01:34	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:01:34	INFO	MSTransformManager::parseMsSpecParams	Output file name is test_vis_multi_field_phasecenter_dict.ms
2026-03-05 03:01:34	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:01:34	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:01:34	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:01:34	INFO	MSTransformManager::open	Select data
2026-03-05 03:01:34	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:01:42	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a dictionary of field->center.Using following phase centers:
2026-03-05 03:01:42	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed for field 0
2026-03-05 03:01:43	SEVERE	phaseshift::::casa	Exception Reported: Error in phaseshift: Wrong field ID given: 3. This MeasurementSet has field IDs between 0 and 2
2026-03-05 03:01:43	INFO	phaseshift::::casa	Traceback (most recent call last):
2026-03-05 03:01:43	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-5-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__
2026-03-05 03:01:43	INFO	phaseshift::::casa+	    task_result = _phaseshift_t( _pc.document['vis'],_pc.document['outputvis'],_pc.document['keepmms'],_pc.document['field'],_pc.document['spw'],_pc.document['scan'],_pc.document['intent'],_pc.document['array'],_pc.document['observation'],_pc.document['datacolumn'],_pc.document['phasecenter'] )
2026-03-05 03:01:43	INFO	phaseshift::::casa+	                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-03-05 03:01:43	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-5-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift
2026-03-05 03:01:43	INFO	phaseshift::::casa+	    mtlocal.open()
2026-03-05 03:01:43	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-5-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/mstransformer.py", line 36, in open
2026-03-05 03:01:43	INFO	phaseshift::::casa+	    return self._swigobj.open()
2026-03-05 03:01:43	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^
2026-03-05 03:01:43	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-5-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/mstransformer.py", line 127, in open
2026-03-05 03:01:43	INFO	phaseshift::::casa+	    return _mstransformer.mstransformer_open(self)
2026-03-05 03:01:43	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-03-05 03:01:43	INFO	phaseshift::::casa+	RuntimeError: Wrong field ID given: 3. This MeasurementSet has field IDs between 0 and 2
2026-03-05 03:01:43	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:01:33.896021 End time: 2026-03-05 03:01:43.371554
2026-03-05 03:01:43	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:01:43	INFO	phaseshift::::casa	##########################################
.2026-03-05 03:01:43	INFO	phaseshift::::casa	##########################################
2026-03-05 03:01:43	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:01:43	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'} )
2026-03-05 03:01:43	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-03-05 03:01:43	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:01:43	INFO	MSTransformManager::parseMsSpecParams	Output file name is test_vis_multi_field_phasecenter_dict.ms
2026-03-05 03:01:43	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:01:43	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:01:44	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:01:44	INFO	MSTransformManager::open	Select data
2026-03-05 03:01:44	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:01:48	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a dictionary of field->center.Using following phase centers:
2026-03-05 03:01:48	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed for field 0
2026-03-05 03:01:48	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:01:49	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:01:49	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:01:43.467943 End time: 2026-03-05 03:01:49.399022
2026-03-05 03:01:49	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:01:49	INFO	phaseshift::::casa	##########################################
.2026-03-05 03:01:50	INFO	phaseshift::::casa	##########################################
2026-03-05 03:01:50	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:01:50	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'} )
2026-03-05 03:01:50	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-03-05 03:01:50	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:01:50	INFO	MSTransformManager::parseMsSpecParams	Output file name is test_vis_multi_field_phasecenter_dict.ms
2026-03-05 03:01:50	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:01:50	INFO	MSTransformManager::parseDataSelParams	field selection is 0,2
2026-03-05 03:01:50	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:01:50	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:01:50	INFO	MSTransformManager::open	Select data
2026-03-05 03:01:50	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:01:50	INFO	MSTransformDataHandler::makeSelection	11536 out of 15344 rows are going to be considered due to the selection criteria.
2026-03-05 03:01:56	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a dictionary of field->center.Using following phase centers:
2026-03-05 03:01:56	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed for field 1
2026-03-05 03:01:56	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 22h01m02 40d04m03' successfully parsed for field 2
2026-03-05 03:01:56	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:01:57	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:01:57	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:01:49.581511 End time: 2026-03-05 03:01:57.448660
2026-03-05 03:01:57	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:01:57	INFO	phaseshift::::casa	##########################################
.2026-03-05 03:01:58	INFO	phaseshift::::casa	##########################################
2026-03-05 03:01:58	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:01:58	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'} )
2026-03-05 03:01:58	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-03-05 03:01:58	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:01:58	INFO	MSTransformManager::parseMsSpecParams	Output file name is test_vis_multi_field_phasecenter_dict.ms
2026-03-05 03:01:58	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:01:58	INFO	MSTransformManager::parseDataSelParams	field selection is 0,2
2026-03-05 03:01:58	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:01:58	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:01:58	INFO	MSTransformManager::open	Select data
2026-03-05 03:01:58	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:01:58	INFO	MSTransformDataHandler::makeSelection	11536 out of 15344 rows are going to be considered due to the selection criteria.
2026-03-05 03:02:04	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a dictionary of field->center.Using following phase centers:
2026-03-05 03:02:04	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19h53m50 40d06m00' successfully parsed for field 0
2026-03-05 03:02:04	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 22h01m02 40d04m03' successfully parsed for field 2
2026-03-05 03:02:04	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:02:05	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:02:05	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:01:57.615537 End time: 2026-03-05 03:02:04.759619
2026-03-05 03:02:05	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:02:05	INFO	phaseshift::::casa	##########################################
.2026-03-05 03:02:05	INFO	phaseshift::::casa	##########################################
2026-03-05 03:02:05	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:02:05	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' )
2026-03-05 03:02:05	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-03-05 03:02:05	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:02:05	INFO	MSTransformManager::parseMsSpecParams	Output file name is test_vis_multi_field_phasecenter_dict.ms
2026-03-05 03:02:05	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:02:05	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:02:05	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:02:05	INFO	MSTransformManager::open	Select data
2026-03-05 03:02:05	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:02:10	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:02:10	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed
2026-03-05 03:02:10	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:02:12	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:02:12	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:02:04.862950 End time: 2026-03-05 03:02:12.264346
2026-03-05 03:02:12	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:02:12	INFO	phaseshift::::casa	##########################################
..2026-03-05 03:02:15	INFO	MeasIERS::fillMeas(MeasIERS::Files, Double) 	Requested JD 0 is outside the range of the IERS (Earth axis data) table.
2026-03-05 03:02:15	INFO	MeasIERS::fillMeas(MeasIERS::Files, Double) +	Calculations will proceed with less precision
..2026-03-05 03:02:15	SEVERE		Error in QuantumHolder::fromString with input string "xxh53m50": Illegal input units or format
2026-03-05 03:02:15	SEVERE	+	 in converting quantity from string 
2026-03-05 03:02:15	SEVERE		Exception Reported: Empty QuantumHolder argument for asQuantumDouble
2026-03-05 03:02:15	SEVERE		Exception Reports: Empty QuantumHolder argument for asQuantumDouble
2026-03-05 03:02:15	SEVERE	phaseshift::::casa	*** Error measures.direction() failed for phasecenter string: BOGUS xxh53m50 40d06m00 when interpreting parameter 'phasecenter': 
...2026-03-05 03:02:17	INFO	phaseshift::::casa	##########################################
2026-03-05 03:02:17	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:02:17	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' )
2026-03-05 03:02:17	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-03-05 03:02:17	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:02:17	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-03-05 03:02:17	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:02:17	INFO	MSTransformManager::parseDataSelParams	array selection is 1
2026-03-05 03:02:17	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:02:17	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:02:17	INFO	MSTransformManager::open	Select data
2026-03-05 03:02:17	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:02:17	SEVERE	phaseshift::::casa	Exception Reported: Error in phaseshift: MSSelectionNullSelection : The selected table has zero rows.
2026-03-05 03:02:17	INFO	phaseshift::::casa	Traceback (most recent call last):
2026-03-05 03:02:17	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-5-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__
2026-03-05 03:02:17	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'] )
2026-03-05 03:02:17	INFO	phaseshift::::casa+	                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-03-05 03:02:17	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-5-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift
2026-03-05 03:02:17	INFO	phaseshift::::casa+	    mtlocal.open()
2026-03-05 03:02:17	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-5-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/mstransformer.py", line 36, in open
2026-03-05 03:02:17	INFO	phaseshift::::casa+	    return self._swigobj.open()
2026-03-05 03:02:17	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^
2026-03-05 03:02:17	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-5-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/mstransformer.py", line 127, in open
2026-03-05 03:02:17	INFO	phaseshift::::casa+	    return _mstransformer.mstransformer_open(self)
2026-03-05 03:02:17	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-03-05 03:02:17	INFO	phaseshift::::casa+	RuntimeError: MSSelectionNullSelection : The selected table has zero rows.
2026-03-05 03:02:17	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:02:16.913409 End time: 2026-03-05 03:02:16.951210
2026-03-05 03:02:17	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:02:17	INFO	phaseshift::::casa	##########################################
2026-03-05 03:02:17	INFO	phaseshift::::casa	##########################################
2026-03-05 03:02:17	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:02:17	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' )
2026-03-05 03:02:17	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-03-05 03:02:17	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:02:17	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-03-05 03:02:17	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:02:17	INFO	MSTransformManager::parseDataSelParams	array selection is 0
2026-03-05 03:02:17	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:02:17	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:02:17	INFO	MSTransformManager::open	Select data
2026-03-05 03:02:17	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:02:20	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas
2026-03-05 03:02:20	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune
2026-03-05 03:02:23	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:02:23	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed
2026-03-05 03:02:23	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:02:24	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:02:24	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:02:16.952176 End time: 2026-03-05 03:02:23.836597
2026-03-05 03:02:24	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:02:24	INFO	phaseshift::::casa	##########################################
.2026-03-05 03:02:25	INFO	phaseshift::::casa	##########################################
2026-03-05 03:02:25	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:02:25	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' )
2026-03-05 03:02:25	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-03-05 03:02:25	INFO	MSTransformManager::parseMsSpecParams	Data column is MODEL
2026-03-05 03:02:25	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-03-05 03:02:25	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:02:25	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:02:25	WARN	MSTransformManager::checkDataColumnsToFill	MODEL_DATA column requested but not available in input MS 
2026-03-05 03:02:25	INFO	MSTransformManager::open	Select data
2026-03-05 03:02:25	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:02:25	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).
2026-03-05 03:02:25	INFO	phaseshift::::casa	Traceback (most recent call last):
2026-03-05 03:02:25	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-5-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__
2026-03-05 03:02:25	INFO	phaseshift::::casa+	    task_result = _phaseshift_t( _pc.document['vis'],_pc.document['outputvis'],_pc.document['keepmms'],_pc.document['field'],_pc.document['spw'],_pc.document['scan'],_pc.document['intent'],_pc.document['array'],_pc.document['observation'],_pc.document['datacolumn'],_pc.document['phasecenter'] )
2026-03-05 03:02:25	INFO	phaseshift::::casa+	                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-03-05 03:02:25	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-5-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift
2026-03-05 03:02:25	INFO	phaseshift::::casa+	    mtlocal.open()
2026-03-05 03:02:25	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-5-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/mstransformer.py", line 36, in open
2026-03-05 03:02:25	INFO	phaseshift::::casa+	    return self._swigobj.open()
2026-03-05 03:02:25	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^
2026-03-05 03:02:25	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-5-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/mstransformer.py", line 127, in open
2026-03-05 03:02:25	INFO	phaseshift::::casa+	    return _mstransformer.mstransformer_open(self)
2026-03-05 03:02:25	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-03-05 03:02:25	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).
2026-03-05 03:02:25	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:02:24.898117 End time: 2026-03-05 03:02:24.928712
2026-03-05 03:02:25	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:02:25	INFO	phaseshift::::casa	##########################################
2026-03-05 03:02:25	INFO	phaseshift::::casa	##########################################
2026-03-05 03:02:25	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:02:25	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' )
2026-03-05 03:02:25	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-03-05 03:02:25	INFO	MSTransformManager::parseMsSpecParams	Data column is DATA
2026-03-05 03:02:25	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-03-05 03:02:25	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:02:25	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:02:25	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:02:25	INFO	MSTransformManager::open	Select data
2026-03-05 03:02:25	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:02:30	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas
2026-03-05 03:02:30	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune
2026-03-05 03:02:31	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:02:31	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed
2026-03-05 03:02:31	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:02:32	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:02:32	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:02:24.929643 End time: 2026-03-05 03:02:32.416901
2026-03-05 03:02:32	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:02:32	INFO	phaseshift::::casa	##########################################
.2026-03-05 03:02:33	INFO	phaseshift::::casa	##########################################
2026-03-05 03:02:33	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:02:33	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' )
2026-03-05 03:02:33	INFO	MSTransformManager::parseMsSpecParams	Input file name is Itziar_copy.ms
2026-03-05 03:02:33	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:02:33	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-03-05 03:02:33	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:02:33	INFO	MSTransformManager::parseDataSelParams	field selection is 2
2026-03-05 03:02:33	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:02:33	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:02:33	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:02:33	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:02:33	INFO	MSTransformManager::open	Select data
2026-03-05 03:02:33	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:02:33	INFO	MSTransformDataHandler::makeSelection	6125 out of 245000 rows are going to be considered due to the selection criteria.
2026-03-05 03:02:38	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:02:38	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 00h00m01 -29d55m40' successfully parsed
2026-03-05 03:02:38	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:02:39	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:02:39	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:02:33.430024 End time: 2026-03-05 03:02:38.589224
2026-03-05 03:02:39	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:02:39	INFO	phaseshift::::casa	##########################################
.2026-03-05 03:02:40	INFO	phaseshift::::casa	##########################################
2026-03-05 03:02:40	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:02:40	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' )
2026-03-05 03:02:40	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-03-05 03:02:40	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:02:40	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-03-05 03:02:40	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:02:40	INFO	MSTransformManager::parseDataSelParams	scan intent selection is *FLUX*
2026-03-05 03:02:40	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:02:40	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:02:40	INFO	MSTransformManager::open	Select data
2026-03-05 03:02:40	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:02:40	INFO	MSTransformDataHandler::makeSelection	570 out of 6270 rows are going to be considered due to the selection criteria.
2026-03-05 03:02:43	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas
2026-03-05 03:02:43	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune
2026-03-05 03:02:45	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:02:45	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed
2026-03-05 03:02:45	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:02:46	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:02:46	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:02:39.661940 End time: 2026-03-05 03:02:46.190556
2026-03-05 03:02:46	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:02:46	INFO	phaseshift::::casa	##########################################
.2026-03-05 03:02:47	INFO	phaseshift::::casa	##########################################
2026-03-05 03:02:47	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:02:47	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' )
2026-03-05 03:02:47	INFO	MSTransformManager::parseMsSpecParams	Input file name is mms_copy.mms
2026-03-05 03:02:47	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:02:47	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-03-05 03:02:47	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:02:47	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:02:47	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:02:47	INFO	MSTransformManager::open	Select data
2026-03-05 03:02:47	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:02:55	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:02:55	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 05h30m48 13d31m48' successfully parsed
2026-03-05 03:02:55	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:02:56	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:02:56	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:02:47.231218 End time: 2026-03-05 03:02:56.135849
2026-03-05 03:02:56	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:02:56	INFO	phaseshift::::casa	##########################################
.2026-03-05 03:02:57	INFO	phaseshift::::casa	##########################################
2026-03-05 03:02:57	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:02:57	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' )
2026-03-05 03:02:57	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-03-05 03:02:57	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:02:57	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-03-05 03:02:57	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:02:57	INFO	MSTransformManager::parseDataSelParams	observation selection is 1
2026-03-05 03:02:57	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:02:57	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:02:57	INFO	MSTransformManager::open	Select data
2026-03-05 03:02:57	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:02:57	SEVERE	phaseshift::::casa	Exception Reported: Error in phaseshift: MSSelectionNullSelection : The selected table has zero rows.
2026-03-05 03:02:57	INFO	phaseshift::::casa	Traceback (most recent call last):
2026-03-05 03:02:57	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-5-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__
2026-03-05 03:02:57	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'] )
2026-03-05 03:02:57	INFO	phaseshift::::casa+	                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-03-05 03:02:57	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-5-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift
2026-03-05 03:02:57	INFO	phaseshift::::casa+	    mtlocal.open()
2026-03-05 03:02:57	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-5-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/mstransformer.py", line 36, in open
2026-03-05 03:02:57	INFO	phaseshift::::casa+	    return self._swigobj.open()
2026-03-05 03:02:57	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^
2026-03-05 03:02:57	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-5-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/mstransformer.py", line 127, in open
2026-03-05 03:02:57	INFO	phaseshift::::casa+	    return _mstransformer.mstransformer_open(self)
2026-03-05 03:02:57	INFO	phaseshift::::casa+	           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-03-05 03:02:57	INFO	phaseshift::::casa+	RuntimeError: MSSelectionNullSelection : The selected table has zero rows.
2026-03-05 03:02:57	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:02:57.129561 End time: 2026-03-05 03:02:57.166523
2026-03-05 03:02:57	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:02:57	INFO	phaseshift::::casa	##########################################
2026-03-05 03:02:57	INFO	phaseshift::::casa	##########################################
2026-03-05 03:02:57	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:02:57	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' )
2026-03-05 03:02:57	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-03-05 03:02:57	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:02:57	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-03-05 03:02:57	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:02:57	INFO	MSTransformManager::parseDataSelParams	observation selection is 0
2026-03-05 03:02:57	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:02:57	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:02:57	INFO	MSTransformManager::open	Select data
2026-03-05 03:02:57	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:03:01	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas
2026-03-05 03:03:01	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune
2026-03-05 03:03:03	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:03:03	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed
2026-03-05 03:03:03	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:03:04	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:03:04	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:02:57.167423 End time: 2026-03-05 03:03:04.283835
2026-03-05 03:03:04	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:03:04	INFO	phaseshift::::casa	##########################################
.2026-03-05 03:03:05	INFO	phaseshift::::casa	##########################################
2026-03-05 03:03:05	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:03:05	INFO	phaseshift::::casa	phaseshift( vis='datacopy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' )
2026-03-05 03:03:05	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-03-05 03:03:05	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:03:05	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-03-05 03:03:05	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:03:05	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:03:05	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:03:05	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:03:05	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:03:05	INFO	MSTransformManager::open	Select data
2026-03-05 03:03:05	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:03:09	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:03:09	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed
2026-03-05 03:03:09	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:03:11	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:03:11	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:03:05.277160 End time: 2026-03-05 03:03:11.061763
2026-03-05 03:03:11	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:03:11	INFO	phaseshift::::casa	##########################################
.2026-03-05 03:03:12	INFO	phaseshift::::casa	##########################################
2026-03-05 03:03:12	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:03:12	INFO	phaseshift::::casa	phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='' )
2026-03-05 03:03:12	SEVERE	phaseshift::::casa	Exception Reported: Error in phaseshift: phasecenter parameter must be specified
2026-03-05 03:03:12	INFO	phaseshift::::casa	Traceback (most recent call last):
2026-03-05 03:03:12	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-5-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__
2026-03-05 03:03:12	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'] )
2026-03-05 03:03:12	INFO	phaseshift::::casa+	                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-03-05 03:03:12	INFO	phaseshift::::casa+	  File "/wheeldirectory/casa-6.7.5-5-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 31, in phaseshift
2026-03-05 03:03:12	INFO	phaseshift::::casa+	    raise ValueError("phasecenter parameter must be specified")
2026-03-05 03:03:12	INFO	phaseshift::::casa+	ValueError: phasecenter parameter must be specified
2026-03-05 03:03:12	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:03:12.015986 End time: 2026-03-05 03:03:12.017054
2026-03-05 03:03:12	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:03:12	INFO	phaseshift::::casa	##########################################
2026-03-05 03:03:12	INFO	phaseshift::::casa	##########################################
2026-03-05 03:03:12	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:03:12	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' )
2026-03-05 03:03:12	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-03-05 03:03:12	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:03:12	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-03-05 03:03:12	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:03:12	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:03:12	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:03:12	INFO	MSTransformManager::open	Select data
2026-03-05 03:03:12	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:03:16	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas
2026-03-05 03:03:16	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune
2026-03-05 03:03:19	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:03:19	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 00h06m14 -08d23m35' successfully parsed
2026-03-05 03:03:19	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:03:20	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:03:20	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:03:12.017956 End time: 2026-03-05 03:03:20.287878
2026-03-05 03:03:20	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:03:20	INFO	phaseshift::::casa	##########################################
.2026-03-05 03:03:21	INFO	phaseshift::::casa	##########################################
2026-03-05 03:03:21	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:03:21	INFO	phaseshift::::casa	phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='00h06m14 -08d23m35' )
2026-03-05 03:03:21	INFO	MSTransformManager::parseMsSpecParams	Input file name is nep_copy.ms
2026-03-05 03:03:21	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:03:21	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-03-05 03:03:21	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:03:21	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:03:21	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:03:21	INFO	MSTransformManager::open	Select data
2026-03-05 03:03:21	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:03:28	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas
2026-03-05 03:03:28	INFO	MSTransformDataHandler::copyEphemerisTable	Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune
2026-03-05 03:03:31	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:03:31	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center '00h06m14 -08d23m35' successfully parsed
2026-03-05 03:03:31	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:03:32	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:03:33	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:03:21.285136 End time: 2026-03-05 03:03:32.580778
2026-03-05 03:03:33	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:03:33	INFO	phaseshift::::casa	##########################################
.2026-03-05 03:03:34	INFO	phaseshift::::casa	##########################################
2026-03-05 03:03:34	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:03:34	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' )
2026-03-05 03:03:34	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-03-05 03:03:34	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:03:34	INFO	MSTransformManager::parseMsSpecParams	Output file name is post_phaseshift.ms
2026-03-05 03:03:34	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:03:34	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:03:34	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:03:34	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:03:34	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:03:34	INFO	MSTransformManager::open	Select data
2026-03-05 03:03:34	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:03:40	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:03:40	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed
2026-03-05 03:03:40	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:03:43	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:03:43	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:03:33.591602 End time: 2026-03-05 03:03:42.688167
2026-03-05 03:03:43	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:03:43	INFO	phaseshift::::casa	##########################################
2026-03-05 03:03:43	INFO	tclean::::casa	##########################################
2026-03-05 03:03:43	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:03:43	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 )
2026-03-05 03:03:43	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:03:43	INFO	SynthesisImagerVi2::selectData 	MS : datacopy.ms | [Opened in readonly mode]
2026-03-05 03:03:43	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 63180
2026-03-05 03:03:43	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im2_pre] : 
2026-03-05 03:03:43	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im2_pre] : 
2026-03-05 03:03:43	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:03:43	INFO	SynthesisImagerVi2::defineImage 	Shape: [2048, 2048, 1, 1] Spectral: [1.49998e+09] at [0] with increment [1.99998e+09]
2026-03-05 03:03:43	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im2_pre] with ftmachine : wprojectft
2026-03-05 03:03:43	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.3842 GB. Available mem.: 47.84 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:03:43	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:03:43	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im2_pre] : hogbom
2026-03-05 03:03:43	INFO	SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:03:44	INFO	WPConvFunc::findConvFunction	W projection using 128 planes
2026-03-05 03:03:44	INFO	WPConvFunc::findConvFunction	Using maximum possible W = 10313.2 (wavelengths)
2026-03-05 03:03:44	INFO	WPConvFunc::findConvFunction	Typical wavelength = 0.299796 (m)
2026-03-05 03:03:44	INFO	WPConvFunc::findConvFunction	Scaling in W (at maximum W) = 0.639422 wavelengths per pixel
2026-03-05 03:03:58	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
2026-03-05 03:03:58	INFO	WPConvFunc::findConvFunction	Memory used in gridding function = 7 MB from maximum 64265 MB

0%....10....20....30....40....50....60....70....80....90....100%
2026-03-05 03:04:41	INFO	SIImageStore::calcSensitivity 	[im2_pre] Theoretical sensitivity (Jy/bm):0.00204403 
2026-03-05 03:04:41	INFO	SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.121225
2026-03-05 03:04:41	INFO	SIImageStore::printBeamSet 	Beam : 54.8469 arcsec, 48.7749 arcsec, 82.835 deg
2026-03-05 03:04:41	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:04:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:04:47	INFO	task_tclean::SDAlgorithmBase::restore 	[im2_pre] : Restoring model image.
2026-03-05 03:04:47	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.
2026-03-05 03:04:48	INFO	task_tclean::SIImageStore::restore 	Beam for chan : 0 : 54.8469 arcsec, 48.7749 arcsec, 82.835 deg
2026-03-05 03:04:48	INFO	tclean::::casa	Searching for images with prefix 'im2_pre'... Found these, writing history into them: ['im2_pre.pb', 'im2_pre.psf', 'im2_pre.residual', 'im2_pre.sumwt', 'im2_pre.image', 'im2_pre.model']
2026-03-05 03:04:50	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:03:42.809644 End time: 2026-03-05 03:04:50.494786
2026-03-05 03:04:50	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:04:50	INFO	tclean::::casa	##########################################
2026-03-05 03:04:51	INFO	tclean::::casa	##########################################
2026-03-05 03:04:51	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:04:51	INFO	tclean::::casa	tclean( vis='post_phaseshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='corrected', imagename='im2_post_phaseshift', 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 )
2026-03-05 03:04:51	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:04:51	INFO	SynthesisImagerVi2::selectData 	MS : post_phaseshift.ms | [Opened in readonly mode]
2026-03-05 03:04:51	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 63180
2026-03-05 03:04:51	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im2_post_phaseshift] : 
2026-03-05 03:04:51	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im2_post_phaseshift] : 
2026-03-05 03:04:51	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:04:51	INFO	SynthesisImagerVi2::defineImage 	Shape: [2048, 2048, 1, 1] Spectral: [1.49998e+09] at [0] with increment [1.99998e+09]
2026-03-05 03:04:51	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im2_post_phaseshift] with ftmachine : wprojectft
2026-03-05 03:04:51	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.3842 GB. Available mem.: 47.83 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:04:51	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:04:51	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im2_post_phaseshift] : hogbom
2026-03-05 03:04:51	INFO	SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:04:52	INFO	WPConvFunc::findConvFunction	W projection using 128 planes
2026-03-05 03:04:52	INFO	WPConvFunc::findConvFunction	Using maximum possible W = 10313.2 (wavelengths)
2026-03-05 03:04:52	INFO	WPConvFunc::findConvFunction	Typical wavelength = 0.299796 (m)
2026-03-05 03:04:52	INFO	WPConvFunc::findConvFunction	Scaling in W (at maximum W) = 0.639422 wavelengths per pixel
2026-03-05 03:05:05	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
2026-03-05 03:05:05	INFO	WPConvFunc::findConvFunction	Memory used in gridding function = 7 MB from maximum 64265 MB
2026-03-05 03:05:08	INFO	SIImageStore::calcSensitivity 	[im2_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00204403 
2026-03-05 03:05:08	INFO	SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.095495
2026-03-05 03:05:08	INFO	SIImageStore::printBeamSet 	Beam : 54.3737 arcsec, 48.741 arcsec, 82.2249 deg
2026-03-05 03:05:08	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:05:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:05:13	INFO	task_tclean::SDAlgorithmBase::restore 	[im2_post_phaseshift] : Restoring model image.
2026-03-05 03:05:13	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.
2026-03-05 03:05:15	INFO	task_tclean::SIImageStore::restore 	Beam for chan : 0 : 54.3737 arcsec, 48.741 arcsec, 82.2249 deg
2026-03-05 03:05:15	INFO	tclean::::casa	Searching for images with prefix 'im2_post_phaseshift'... Found these, writing history into them: ['im2_post_phaseshift.pb', 'im2_post_phaseshift.model', 'im2_post_phaseshift.residual', 'im2_post_phaseshift.psf', 'im2_post_phaseshift.image', 'im2_post_phaseshift.sumwt']
2026-03-05 03:05:16	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:04:50.538678 End time: 2026-03-05 03:05:15.655377
2026-03-05 03:05:16	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:05:16	INFO	tclean::::casa	##########################################
2026-03-05 03:05:16	INFO	tclean::::casa	##########################################
2026-03-05 03:05:16	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:05:16	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 )
2026-03-05 03:05:16	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:05:16	INFO	SynthesisImagerVi2::selectData 	MS : post_phaseshift.ms | [Opened in readonly mode]
2026-03-05 03:05:16	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 63180
2026-03-05 03:05:16	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im2_post_phaseshift_tclean_phasecenter] : 
2026-03-05 03:05:16	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im2_post_phaseshift_tclean_phasecenter] : 
2026-03-05 03:05:16	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:05:16	INFO	SynthesisImagerVi2::defineImage 	Shape: [2048, 2048, 1, 1] Spectral: [1.49998e+09] at [0] with increment [1.99998e+09]
2026-03-05 03:05:16	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im2_post_phaseshift_tclean_phasecenter] with ftmachine : wprojectft
2026-03-05 03:05:16	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.3842 GB. Available mem.: 47.84 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:05:16	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:05:16	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im2_post_phaseshift_tclean_phasecenter] : hogbom
2026-03-05 03:05:16	INFO	SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:05:23	INFO	WPConvFunc::findConvFunction	W projection using 128 planes
2026-03-05 03:05:23	INFO	WPConvFunc::findConvFunction	Using maximum possible W = 10313.2 (wavelengths)
2026-03-05 03:05:23	INFO	WPConvFunc::findConvFunction	Typical wavelength = 0.299796 (m)
2026-03-05 03:05:23	INFO	WPConvFunc::findConvFunction	Scaling in W (at maximum W) = 0.639422 wavelengths per pixel
2026-03-05 03:05:36	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
2026-03-05 03:05:36	INFO	WPConvFunc::findConvFunction	Memory used in gridding function = 7 MB from maximum 64265 MB
2026-03-05 03:05:38	INFO	SIImageStore::calcSensitivity 	[im2_post_phaseshift_tclean_phasecenter] Theoretical sensitivity (Jy/bm):0.00204403 
2026-03-05 03:05:38	INFO	SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.107112
2026-03-05 03:05:38	INFO	SIImageStore::printBeamSet 	Beam : 54.8469 arcsec, 48.775 arcsec, 82.8349 deg
2026-03-05 03:05:38	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:05:40	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:05:43	INFO	task_tclean::SDAlgorithmBase::restore 	[im2_post_phaseshift_tclean_phasecenter] : Restoring model image.
2026-03-05 03:05:43	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.
2026-03-05 03:05:46	INFO	task_tclean::SIImageStore::restore 	Beam for chan : 0 : 54.8469 arcsec, 48.775 arcsec, 82.8349 deg
2026-03-05 03:05:46	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.residual', 'im2_post_phaseshift_tclean_phasecenter.image', 'im2_post_phaseshift_tclean_phasecenter.psf', 'im2_post_phaseshift_tclean_phasecenter.model', 'im2_post_phaseshift_tclean_phasecenter.sumwt']
2026-03-05 03:05:48	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:05:15.693710 End time: 2026-03-05 03:05:47.541632
2026-03-05 03:05:48	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:05:48	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}
.2026-03-05 03:05:49	INFO	phaseshift::::casa	##########################################
2026-03-05 03:05:49	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:05:49	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' )
2026-03-05 03:05:49	INFO	MSTransformManager::parseMsSpecParams	Input file name is ngc_copy.ms
2026-03-05 03:05:49	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:05:49	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-03-05 03:05:49	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:05:49	INFO	MSTransformManager::parseDataSelParams	spw selection is 1
2026-03-05 03:05:49	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:05:49	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:05:49	INFO	MSTransformManager::initDataSelectionParams	Selected SPWs Ids are Axis Lengths: [1, 4]  (NB: Matrix in Row/Column order)
2026-03-05 03:05:49	INFO	MSTransformManager::initDataSelectionParams+	[1, 0, 4, 1]
2026-03-05 03:05:49	INFO	MSTransformManager::open	Select data
2026-03-05 03:05:49	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:05:49	INFO	MSTransformDataHandler::makeSelection	13338 out of 26676 rows are going to be considered due to the selection criteria.
2026-03-05 03:05:53	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:05:53	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 23h11m54 61d10m54' successfully parsed
2026-03-05 03:05:53	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:05:54	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:05:54	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:05:48.944691 End time: 2026-03-05 03:05:54.369538
2026-03-05 03:05:54	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:05:54	INFO	phaseshift::::casa	##########################################
.2026-03-05 03:05:55	INFO	phaseshift::::casa	##########################################
2026-03-05 03:05:55	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:05:55	INFO	phaseshift::::casa	phaseshift( vis='datacopy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' )
2026-03-05 03:05:55	INFO	MSTransformManager::parseMsSpecParams	Input file name is datacopy.ms
2026-03-05 03:05:55	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:05:55	INFO	MSTransformManager::parseMsSpecParams	Output file name is phaseshiftout.ms
2026-03-05 03:05:55	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:05:55	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:05:55	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:05:55	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:05:55	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:05:55	INFO	MSTransformManager::open	Select data
2026-03-05 03:05:55	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:06:02	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:06:02	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed
2026-03-05 03:06:02	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:06:04	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:06:04	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:05:55.303074 End time: 2026-03-05 03:06:04.092094
2026-03-05 03:06:04	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:06:04	INFO	phaseshift::::casa	##########################################
.2026-03-05 03:06:05	INFO	phaseshift::::casa	##########################################
2026-03-05 03:06:05	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:06:05	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' )
2026-03-05 03:06:05	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:06:05	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:06:05	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:06:05	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:06:05	INFO	MSTransformManager::parseDataSelParams	field selection is 0
2026-03-05 03:06:05	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:06:05	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:06:05	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:06:05	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:06:05	INFO	MSTransformManager::open	Select data
2026-03-05 03:06:05	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:06:05	INFO	MSTransformDataHandler::makeSelection	3510 out of 7020 rows are going to be considered due to the selection criteria.
2026-03-05 03:06:08	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:06:08	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40.108888889deg' successfully parsed
2026-03-05 03:06:08	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:06:10	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:06:10	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:06:04.836210 End time: 2026-03-05 03:06:09.720148
2026-03-05 03:06:10	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:06:10	INFO	phaseshift::::casa	##########################################
2026-03-05 03:06:10	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data_pshift.ms...
2026-03-05 03:06:10	INFO	tclean::::casa	##########################################
2026-03-05 03:06:10	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:06:10	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, 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 )
2026-03-05 03:06:10	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:06:10	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:06:10	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 3510
2026-03-05 03:06:10	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:06:10	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:06:10	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:06:10	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99981e+08] at [0] with increment [9.99998e+07]
2026-03-05 03:06:10	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:06:10	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.84 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:06:10	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:06:10	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:06:10	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:06:12	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 
2026-03-05 03:06:12	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.032271
2026-03-05 03:06:12	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg
2026-03-05 03:06:12	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:06:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:06:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:06:14	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:06:14	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:06:14	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:06:14	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6347251534461975, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:06:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.634725, CycleNiter=20, Gain=0.3
2026-03-05 03:06:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:06:14	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:06:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:06:16	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:06:16	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07467404007911682, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:06:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.074674, CycleNiter=14, Gain=0.3
2026-03-05 03:06:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold.
2026-03-05 03:06:16	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:06:16	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:06:18	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053
2026-03-05 03:06:18	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00878525897860527, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:06:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00878526, CycleNiter=8, Gain=0.3
2026-03-05 03:06:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold.
2026-03-05 03:06:18	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:06:18	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:06:20	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814184, over full image : 0.00814184
2026-03-05 03:06:20	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0010335649130865932, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:06:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00103356, CycleNiter=2, Gain=0.3
2026-03-05 03:06:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814184->0.00279265, Reached cycleniter.
2026-03-05 03:06:20	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:06:20	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:06:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279276, over full image : 0.00279276
2026-03-05 03:06:21	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:06:21	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:06:21	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:06:22	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg
2026-03-05 03:06:22	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:06:23	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:06:09.800759 End time: 2026-03-05 03:06:23.141727
2026-03-05 03:06:23	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:06:23	INFO	tclean::::casa	##########################################
2026-03-05 03:06:23	INFO	imstat::::casa	##########################################
2026-03-05 03:06:23	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:06:23	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 )
2026-03-05 03:06:23	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:06:23	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:06:23	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:06:23	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:06:23	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:06:23	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)
2026-03-05 03:06:23	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:06:23	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:06:23	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:06:23	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:06:23	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 9.99981e+08Hz
2026-03-05 03:06:23	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.069, +40.23.25.888, I, 9.99981e+08Hz
2026-03-05 03:06:23	INFO	imstat::::	Values --- 
2026-03-05 03:06:23	INFO	imstat::::	         -- flux density [flux]:                    4.99409 Jy
2026-03-05 03:06:23	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:06:23	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:06:23	INFO	imstat::::	         -- minimum value [min]:                    -0.00012283 Jy/beam
2026-03-05 03:06:23	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 124, 0, 0]
2026-03-05 03:06:23	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [100, 55, 0, 0]
2026-03-05 03:06:23	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 9.99981e+08Hz
2026-03-05 03:06:23	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:09.479, +39.56.47.897, I, 9.99981e+08Hz
2026-03-05 03:06:23	INFO	imstat::::	         -- Sum of pixel values [sum]:               605.961 Jy/beam
2026-03-05 03:06:23	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1516.75 Jy/beam.Jy/beam
2026-03-05 03:06:23	INFO	imstat::::	Statistics --- 
2026-03-05 03:06:23	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00924623 Jy/beam
2026-03-05 03:06:23	INFO	imstat::::	        -- Variance of the pixel values :           0.0230586 Jy/beam
2026-03-05 03:06:23	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.15185 Jy/beam
2026-03-05 03:06:23	INFO	imstat::::	        -- Root mean square [rms]:                  0.152131 Jy/beam
2026-03-05 03:06:23	INFO	imstat::::	        -- Median of the pixel values [median]:     -2.09007e-05 Jy/beam
2026-03-05 03:06:23	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 3.00259e-05 Jy/beam
2026-03-05 03:06:23	INFO	imstat::::	        -- IQR [quartile]:                          6.1616e-05 Jy/beam
2026-03-05 03:06:23	INFO	imstat::::	        -- First quartile [q1]:                     -4.79744e-05 Jy/beam
2026-03-05 03:06:23	INFO	imstat::::	        -- Third quartile [q3]:                     1.36416e-05 Jy/beam
2026-03-05 03:06:23	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:06:23	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:06:23	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:06:23	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:06:23	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:06:23	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:06:23	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
2026-03-05 03:06:23	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:06:23.165944 End time: 2026-03-05 03:06:23.199354
2026-03-05 03:06:23	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:06:23	INFO	imstat::::casa	##########################################
2026-03-05 03:06:23	INFO	phaseshift::::casa	##########################################
2026-03-05 03:06:23	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:06:23	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' )
2026-03-05 03:06:23	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:06:23	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:06:23	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:06:23	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:06:23	INFO	MSTransformManager::parseDataSelParams	field selection is fake
2026-03-05 03:06:23	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:06:23	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:06:23	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:06:23	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:06:23	INFO	MSTransformManager::open	Select data
2026-03-05 03:06:23	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:06:23	INFO	MSTransformDataHandler::makeSelection	3510 out of 7020 rows are going to be considered due to the selection criteria.
2026-03-05 03:06:27	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:06:27	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40.108888889deg' successfully parsed
2026-03-05 03:06:27	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:06:27	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:06:28	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:06:23.216501 End time: 2026-03-05 03:06:27.538674
2026-03-05 03:06:28	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:06:28	INFO	phaseshift::::casa	##########################################
2026-03-05 03:06:28	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data.ms...
2026-03-05 03:06:28	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data_pshift.ms...
2026-03-05 03:06:28	INFO	tclean::::casa	##########################################
2026-03-05 03:06:28	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:06:28	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 )
2026-03-05 03:06:28	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:06:28	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:06:28	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 3510
2026-03-05 03:06:28	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:06:28	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:06:28	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:06:28	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99981e+08] at [0] with increment [9.99998e+07]
2026-03-05 03:06:28	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:06:28	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.83 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:06:28	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:06:28	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:06:28	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:06:29	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 
2026-03-05 03:06:29	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.02963
2026-03-05 03:06:29	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg
2026-03-05 03:06:29	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:06:29	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:06:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:06:30	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:06:31	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:06:31	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:06:31	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6347251534461975, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:06:31	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.634725, CycleNiter=20, Gain=0.3
2026-03-05 03:06:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:06:32	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:06:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:06:33	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:06:33	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07467404007911682, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:06:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.074674, CycleNiter=14, Gain=0.3
2026-03-05 03:06:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold.
2026-03-05 03:06:34	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:06:34	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:06:39	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053
2026-03-05 03:06:39	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00878525897860527, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:06:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00878526, CycleNiter=8, Gain=0.3
2026-03-05 03:06:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold.
2026-03-05 03:06:39	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:06:40	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:06:41	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814184, over full image : 0.00814184
2026-03-05 03:06:41	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0010335649130865932, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:06:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00103356, CycleNiter=2, Gain=0.3
2026-03-05 03:06:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814184->0.00279265, Reached cycleniter.
2026-03-05 03:06:41	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:06:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:06:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279276, over full image : 0.00279276
2026-03-05 03:06:42	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:06:42	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:06:42	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:06:43	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg
2026-03-05 03:06:43	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:06:45	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:06:27.623009 End time: 2026-03-05 03:06:44.810541
2026-03-05 03:06:45	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:06:45	INFO	tclean::::casa	##########################################
2026-03-05 03:06:45	INFO	imstat::::casa	##########################################
2026-03-05 03:06:45	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:06:45	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-03-05 03:06:45	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:06:45	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:06:45	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:06:45	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:06:45	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:06:45	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.888, +39.49.25.864, I, 9.99981e+08Hz to 19:52:21.069, +40.23.25.888, I, 9.99981e+08Hz)
2026-03-05 03:06:45	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:06:45	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:06:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:06:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:06:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 9.99981e+08Hz
2026-03-05 03:06:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.069, +40.23.25.888, I, 9.99981e+08Hz
2026-03-05 03:06:45	INFO	imstat::::	Values --- 
2026-03-05 03:06:45	INFO	imstat::::	         -- flux density [flux]:                    4.99409 Jy
2026-03-05 03:06:45	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:06:45	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:06:45	INFO	imstat::::	         -- minimum value [min]:                    -0.00012283 Jy/beam
2026-03-05 03:06:45	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 124, 0, 0]
2026-03-05 03:06:45	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [100, 55, 0, 0]
2026-03-05 03:06:45	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 9.99981e+08Hz
2026-03-05 03:06:45	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:09.479, +39.56.47.897, I, 9.99981e+08Hz
2026-03-05 03:06:45	INFO	imstat::::	         -- Sum of pixel values [sum]:               605.961 Jy/beam
2026-03-05 03:06:45	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1516.75 Jy/beam.Jy/beam
2026-03-05 03:06:45	INFO	imstat::::	Statistics --- 
2026-03-05 03:06:45	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00924623 Jy/beam
2026-03-05 03:06:45	INFO	imstat::::	        -- Variance of the pixel values :           0.0230586 Jy/beam
2026-03-05 03:06:45	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.15185 Jy/beam
2026-03-05 03:06:45	INFO	imstat::::	        -- Root mean square [rms]:                  0.152131 Jy/beam
2026-03-05 03:06:45	INFO	imstat::::	        -- Median of the pixel values [median]:     -2.09007e-05 Jy/beam
2026-03-05 03:06:45	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 3.00259e-05 Jy/beam
2026-03-05 03:06:45	INFO	imstat::::	        -- IQR [quartile]:                          6.1616e-05 Jy/beam
2026-03-05 03:06:45	INFO	imstat::::	        -- First quartile [q1]:                     -4.79744e-05 Jy/beam
2026-03-05 03:06:45	INFO	imstat::::	        -- Third quartile [q3]:                     1.36416e-05 Jy/beam
2026-03-05 03:06:45	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:06:45	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:06:45	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:06:45	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:06:45	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:06:45	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:06:45	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.059610e+02  9.246232e-03  1.521305e-01  1.518505e-01 -1.228298e-04  4.999997e+00
2026-03-05 03:06:45	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:06:44.815760 End time: 2026-03-05 03:06:44.857599
2026-03-05 03:06:45	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:06:45	INFO	imstat::::casa	##########################################
2026-03-05 03:06:45	INFO	phaseshift::::casa	##########################################
2026-03-05 03:06:45	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:06:45	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40.108888889deg' )
2026-03-05 03:06:45	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:06:45	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:06:45	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:06:45	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:06:45	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:06:45	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:06:45	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:06:45	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:06:45	INFO	MSTransformManager::open	Select data
2026-03-05 03:06:45	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:06:47	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:06:47	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40.108888889deg' successfully parsed
2026-03-05 03:06:47	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:06:48	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:06:48	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:06:44.877682 End time: 2026-03-05 03:06:48.135103
2026-03-05 03:06:48	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:06:48	INFO	phaseshift::::casa	##########################################
2026-03-05 03:06:48	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data_pshift.ms...
2026-03-05 03:06:49	INFO	tclean::::casa	##########################################
2026-03-05 03:06:49	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:06:49	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 )
2026-03-05 03:06:49	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:06:49	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:06:49	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 7020
2026-03-05 03:06:49	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:06:49	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:06:49	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:06:49	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:06:49	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:06:49	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.83 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:06:49	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:06:49	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:06:49	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:06:50	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00843949 
2026-03-05 03:06:50	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022291
2026-03-05 03:06:50	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.9193 arcsec, 77.6082 arcsec, 88.5528 deg
2026-03-05 03:06:50	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:06:52	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:06:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:06:54	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:06:54	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:06:54	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:06:54	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6069034934043884, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:06:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.606903, CycleNiter=20, Gain=0.3
2026-03-05 03:06:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:06:55	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:06:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:06:56	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:06:56	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07140088081359863, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:06:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0714009, CycleNiter=14, Gain=0.3
2026-03-05 03:06:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold.
2026-03-05 03:06:58	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:06:58	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:06:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053
2026-03-05 03:06:59	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00840018317103386, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:06:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00840018, CycleNiter=8, Gain=0.3
2026-03-05 03:07:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold.
2026-03-05 03:07:00	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:07:00	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:07:02	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814189, over full image : 0.00814189
2026-03-05 03:07:02	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009882674785330892, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:07:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000988267, CycleNiter=2, Gain=0.3
2026-03-05 03:07:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814189->0.00279267, Reached cycleniter.
2026-03-05 03:07:02	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:07:02	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:07:04	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0027928, over full image : 0.0027928
2026-03-05 03:07:04	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:07:04	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:07:04	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:07:06	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.9193 arcsec, 77.6082 arcsec, 88.5528 deg
2026-03-05 03:07:07	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:07:10	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:06:48.875341 End time: 2026-03-05 03:07:10.393559
2026-03-05 03:07:10	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:07:10	INFO	tclean::::casa	##########################################
2026-03-05 03:07:10	INFO	imstat::::casa	##########################################
2026-03-05 03:07:10	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:07:10	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-03-05 03:07:10	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:07:10	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:07:10	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:07:10	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:07:10	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:07:10	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)
2026-03-05 03:07:10	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:07:10	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:07:10	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:07:10	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:07:10	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 999981604.64Hz
2026-03-05 03:07:10	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.069, +40.23.25.888, I, 999981604.64Hz
2026-03-05 03:07:10	INFO	imstat::::	Values --- 
2026-03-05 03:07:10	INFO	imstat::::	         -- flux density [flux]:                    4.99444 Jy
2026-03-05 03:07:10	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:07:10	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:07:10	INFO	imstat::::	         -- minimum value [min]:                    -9.70533e-05 Jy/beam
2026-03-05 03:07:10	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 124, 0, 0]
2026-03-05 03:07:10	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [158, 70, 0, 0]
2026-03-05 03:07:10	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981604.64Hz
2026-03-05 03:07:10	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:29.120, +39.58.47.882, I, 999981604.64Hz
2026-03-05 03:07:10	INFO	imstat::::	         -- Sum of pixel values [sum]:               610.203 Jy/beam
2026-03-05 03:07:10	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1527.26 Jy/beam.Jy/beam
2026-03-05 03:07:10	INFO	imstat::::	Statistics --- 
2026-03-05 03:07:10	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00931096 Jy/beam
2026-03-05 03:07:10	INFO	imstat::::	        -- Variance of the pixel values :           0.0232178 Jy/beam
2026-03-05 03:07:10	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152374 Jy/beam
2026-03-05 03:07:10	INFO	imstat::::	        -- Root mean square [rms]:                  0.152657 Jy/beam
2026-03-05 03:07:10	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.85752e-05 Jy/beam
2026-03-05 03:07:10	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.83975e-05 Jy/beam
2026-03-05 03:07:10	INFO	imstat::::	        -- IQR [quartile]:                          3.74524e-05 Jy/beam
2026-03-05 03:07:10	INFO	imstat::::	        -- First quartile [q1]:                     -3.53147e-05 Jy/beam
2026-03-05 03:07:10	INFO	imstat::::	        -- Third quartile [q3]:                     2.13765e-06 Jy/beam
2026-03-05 03:07:10	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:07:10	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:07:10	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:07:10	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:07:10	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:07:10	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:07:10	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
2026-03-05 03:07:10	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:07:10.398748 End time: 2026-03-05 03:07:10.440931
2026-03-05 03:07:10	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:07:10	INFO	imstat::::casa	##########################################
2026-03-05 03:07:10	INFO	phaseshift::::casa	##########################################
2026-03-05 03:07:10	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:07:10	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' )
2026-03-05 03:07:10	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:07:10	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:07:10	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:07:10	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:07:10	INFO	MSTransformManager::parseDataSelParams	field selection is 1
2026-03-05 03:07:10	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:07:10	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:07:10	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:07:10	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:07:10	INFO	MSTransformManager::open	Select data
2026-03-05 03:07:11	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:07:11	INFO	MSTransformDataHandler::makeSelection	3510 out of 7020 rows are going to be considered due to the selection criteria.
2026-03-05 03:07:14	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:07:14	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 50.108888889deg' successfully parsed
2026-03-05 03:07:14	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:07:14	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:07:14	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:07:10.461771 End time: 2026-03-05 03:07:14.373067
2026-03-05 03:07:14	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:07:14	INFO	phaseshift::::casa	##########################################
2026-03-05 03:07:14	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data_pshift.ms...
2026-03-05 03:07:14	INFO	tclean::::casa	##########################################
2026-03-05 03:07:14	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:07:14	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, 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 )
2026-03-05 03:07:14	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:07:14	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:07:14	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 3510
2026-03-05 03:07:15	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:07:15	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:07:15	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:07:15	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99968e+08] at [0] with increment [9.99982e+07]
2026-03-05 03:07:15	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:07:15	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.83 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:07:15	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:07:15	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:07:15	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:07:16	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 
2026-03-05 03:07:16	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.016901
2026-03-05 03:07:16	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg
2026-03-05 03:07:16	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:07:16	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:07:16	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 0.290316
2026-03-05 03:07:17	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:07:17	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:07:17	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.290316, over full image : 0.290316
2026-03-05 03:07:17	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.03697436675429344, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:07:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0369744, CycleNiter=20, Gain=0.3
2026-03-05 03:07:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->20 [20], model=0->1.38616, peakres=0.290316->0.18329, Reached cycleniter.
2026-03-05 03:07:17	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:07:17	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:07:18	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.180075, over full image : 0.180075
2026-03-05 03:07:18	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:07:18	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:07:18	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:07:19	INFO	SIImageStore::restore 	Beam for chan : 0 : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg
2026-03-05 03:07:19	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:07:20	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:07:14.424049 End time: 2026-03-05 03:07:19.958526
2026-03-05 03:07:20	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:07:20	INFO	tclean::::casa	##########################################
2026-03-05 03:07:20	INFO	imstat::::casa	##########################################
2026-03-05 03:07:20	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:07:20	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-03-05 03:07:20	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:07:20	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:07:20	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:07:20	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:07:20	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:07:20	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)
2026-03-05 03:07:20	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:07:20	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:07:20	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:07:20	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:07:20	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:35.817, +49.49.24.973, I, 9.99968e+08Hz
2026-03-05 03:07:20	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:03.760, +50.23.24.993, I, 9.99968e+08Hz
2026-03-05 03:07:20	INFO	imstat::::	Values --- 
2026-03-05 03:07:20	INFO	imstat::::	         -- flux density [flux]:                    -0.242513 Jy
2026-03-05 03:07:20	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:07:20	INFO	imstat::::	         -- maximum value [max]:                    0.285872 Jy/beam
2026-03-05 03:07:20	INFO	imstat::::	         -- minimum value [min]:                    -0.1468 Jy/beam
2026-03-05 03:07:20	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [54, 120, 0, 0]
2026-03-05 03:07:20	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [148, 28, 0, 0]
2026-03-05 03:07:20	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:54:51.516, +50.05.26.984, I, 9.99968e+08Hz
2026-03-05 03:07:20	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:33.445, +49.53.11.924, I, 9.99968e+08Hz
2026-03-05 03:07:20	INFO	imstat::::	         -- Sum of pixel values [sum]:               -29.9309 Jy/beam
2026-03-05 03:07:20	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     233.452 Jy/beam.Jy/beam
2026-03-05 03:07:20	INFO	imstat::::	Statistics --- 
2026-03-05 03:07:20	INFO	imstat::::	        -- Mean of the pixel values [mean]:         -0.00045671 Jy/beam
2026-03-05 03:07:20	INFO	imstat::::	        -- Variance of the pixel values :           0.00356204 Jy/beam
2026-03-05 03:07:20	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.0596828 Jy/beam
2026-03-05 03:07:20	INFO	imstat::::	        -- Root mean square [rms]:                  0.0596841 Jy/beam
2026-03-05 03:07:20	INFO	imstat::::	        -- Median of the pixel values [median]:     -0.00646386 Jy/beam
2026-03-05 03:07:20	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 0.0391011 Jy/beam
2026-03-05 03:07:20	INFO	imstat::::	        -- IQR [quartile]:                          0.0789052 Jy/beam
2026-03-05 03:07:20	INFO	imstat::::	        -- First quartile [q1]:                     -0.0432754 Jy/beam
2026-03-05 03:07:20	INFO	imstat::::	        -- Third quartile [q3]:                     0.0356299 Jy/beam
2026-03-05 03:07:20	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:07:20	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:07:20	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:07:20	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:07:20	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:07:20	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:07:20	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
2026-03-05 03:07:20	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:07:19.963366 End time: 2026-03-05 03:07:20.006217
2026-03-05 03:07:20	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:07:20	INFO	imstat::::casa	##########################################
2026-03-05 03:07:20	INFO	phaseshift::::casa	##########################################
2026-03-05 03:07:20	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:07:20	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' )
2026-03-05 03:07:20	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:07:20	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:07:20	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:07:20	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:07:20	INFO	MSTransformManager::parseDataSelParams	field selection is pretend
2026-03-05 03:07:20	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:07:20	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:07:20	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:07:20	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:07:20	INFO	MSTransformManager::open	Select data
2026-03-05 03:07:20	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:07:20	INFO	MSTransformDataHandler::makeSelection	3510 out of 7020 rows are going to be considered due to the selection criteria.
2026-03-05 03:07:23	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:07:23	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 50.108888889deg' successfully parsed
2026-03-05 03:07:23	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:07:24	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:07:24	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:07:20.026273 End time: 2026-03-05 03:07:24.065463
2026-03-05 03:07:24	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:07:24	INFO	phaseshift::::casa	##########################################
2026-03-05 03:07:24	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data.ms...
2026-03-05 03:07:24	INFO	msmetadata_cmpt.cc::open	Performing internal consistency checks on sim_data_pshift.ms...
2026-03-05 03:07:24	INFO	tclean::::casa	##########################################
2026-03-05 03:07:24	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:07:24	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 )
2026-03-05 03:07:24	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:07:24	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:07:24	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 3510
2026-03-05 03:07:24	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:07:24	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:07:24	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:07:24	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99968e+08] at [0] with increment [9.99982e+07]
2026-03-05 03:07:24	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:07:24	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.83 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:07:24	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:07:24	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:07:24	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:07:26	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 
2026-03-05 03:07:26	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.025535
2026-03-05 03:07:26	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg
2026-03-05 03:07:26	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:07:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:07:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 0.290316
2026-03-05 03:07:29	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:07:29	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:07:29	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.290316, over full image : 0.290316
2026-03-05 03:07:29	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.03697436675429344, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:07:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0369744, CycleNiter=20, Gain=0.3
2026-03-05 03:07:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->20 [20], model=0->1.38616, peakres=0.290316->0.18329, Reached cycleniter.
2026-03-05 03:07:30	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:07:30	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:07:31	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.180075, over full image : 0.180075
2026-03-05 03:07:31	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:07:31	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:07:31	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:07:32	INFO	SIImageStore::restore 	Beam for chan : 0 : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg
2026-03-05 03:07:32	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:07:33	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:07:24.167962 End time: 2026-03-05 03:07:33.273228
2026-03-05 03:07:33	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:07:33	INFO	tclean::::casa	##########################################
2026-03-05 03:07:33	INFO	imstat::::casa	##########################################
2026-03-05 03:07:33	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:07:33	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-03-05 03:07:33	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:07:33	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:07:33	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:07:33	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:07:33	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:07:33	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)
2026-03-05 03:07:33	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:07:33	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:07:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:07:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:07:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:35.817, +49.49.24.973, I, 9.99968e+08Hz
2026-03-05 03:07:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:03.760, +50.23.24.993, I, 9.99968e+08Hz
2026-03-05 03:07:33	INFO	imstat::::	Values --- 
2026-03-05 03:07:33	INFO	imstat::::	         -- flux density [flux]:                    -0.242513 Jy
2026-03-05 03:07:33	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:07:33	INFO	imstat::::	         -- maximum value [max]:                    0.285872 Jy/beam
2026-03-05 03:07:33	INFO	imstat::::	         -- minimum value [min]:                    -0.1468 Jy/beam
2026-03-05 03:07:33	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [54, 120, 0, 0]
2026-03-05 03:07:33	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [148, 28, 0, 0]
2026-03-05 03:07:33	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:54:51.516, +50.05.26.984, I, 9.99968e+08Hz
2026-03-05 03:07:33	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:33.445, +49.53.11.924, I, 9.99968e+08Hz
2026-03-05 03:07:33	INFO	imstat::::	         -- Sum of pixel values [sum]:               -29.9309 Jy/beam
2026-03-05 03:07:33	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     233.452 Jy/beam.Jy/beam
2026-03-05 03:07:33	INFO	imstat::::	Statistics --- 
2026-03-05 03:07:33	INFO	imstat::::	        -- Mean of the pixel values [mean]:         -0.00045671 Jy/beam
2026-03-05 03:07:33	INFO	imstat::::	        -- Variance of the pixel values :           0.00356204 Jy/beam
2026-03-05 03:07:33	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.0596828 Jy/beam
2026-03-05 03:07:33	INFO	imstat::::	        -- Root mean square [rms]:                  0.0596841 Jy/beam
2026-03-05 03:07:33	INFO	imstat::::	        -- Median of the pixel values [median]:     -0.00646386 Jy/beam
2026-03-05 03:07:33	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 0.0391011 Jy/beam
2026-03-05 03:07:33	INFO	imstat::::	        -- IQR [quartile]:                          0.0789052 Jy/beam
2026-03-05 03:07:33	INFO	imstat::::	        -- First quartile [q1]:                     -0.0432754 Jy/beam
2026-03-05 03:07:33	INFO	imstat::::	        -- Third quartile [q3]:                     0.0356299 Jy/beam
2026-03-05 03:07:33	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:07:33	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:07:33	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:07:33	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:07:33	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:07:33	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:07:33	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
2026-03-05 03:07:33	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:07:33.277622 End time: 2026-03-05 03:07:33.312360
2026-03-05 03:07:33	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:07:33	INFO	imstat::::casa	##########################################
.2026-03-05 03:07:34	INFO	tclean::::casa	##########################################
2026-03-05 03:07:34	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:07:34	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 )
2026-03-05 03:07:34	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:07:34	INFO	SynthesisImagerVi2::selectData 	MS : sim_data.ms | [Opened in readonly mode]
2026-03-05 03:07:34	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:07:34	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_orig] : 
2026-03-05 03:07:34	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_orig] : 
2026-03-05 03:07:34	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:07:34	INFO	SynthesisImagerVi2::defineImage 	Shape: [2048, 2048, 1, 1] Spectral: [9.99981e+08] at [0] with increment [1e+08]
2026-03-05 03:07:34	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_orig] with ftmachine : wprojectft
2026-03-05 03:07:34	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.3842 GB. Available mem.: 47.83 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:07:34	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:07:34	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_orig] : hogbom
2026-03-05 03:07:34	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:07:35	INFO	task_tclean::WPConvFunc::findConvFunction	W projection using 128 planes
2026-03-05 03:07:35	INFO	task_tclean::WPConvFunc::findConvFunction	Using maximum possible W = 6445.78 (wavelengths)
2026-03-05 03:07:35	INFO	task_tclean::WPConvFunc::findConvFunction	Typical wavelength = 0.299799 (m)
2026-03-05 03:07:35	INFO	task_tclean::WPConvFunc::findConvFunction	Scaling in W (at maximum W) = 0.399639 wavelengths per pixel
2026-03-05 03:07:48	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
2026-03-05 03:07:48	INFO	task_tclean::WPConvFunc::findConvFunction	Memory used in gridding function = 14 MB from maximum 64265 MB
2026-03-05 03:07:50	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_orig] Theoretical sensitivity (Jy/bm):0.00889437 
2026-03-05 03:07:50	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.112802
2026-03-05 03:07:50	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.6975 arcsec, 77.5413 arcsec, -89.6046 deg
2026-03-05 03:07:50	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:07:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:07:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 4.94899
2026-03-05 03:07:55	INFO	SynthesisDeconvolver::setupMask 	[im_orig] Initializing new mask to 1.0 for the full image
2026-03-05 03:07:55	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 % ]
2026-03-05 03:07:55	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 4.94899, over full image : 4.94899
2026-03-05 03:07:55	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.5971387624740601, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:07:55	INFO	SDAlgorithmBase::deconvolve 	[im_orig] Run Hogbom minor-cycle | CycleThreshold=0.597139, CycleNiter=20, Gain=0.3
2026-03-05 03:07:57	INFO	SDAlgorithmBase::deconvolve 	[im_orig] iters=0->7 [7], model=0->4.6028, peakres=4.94899->0.435227, Reached cyclethreshold.
2026-03-05 03:07:57	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 7 iterations.
2026-03-05 03:07:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:08:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.45574, over full image : 0.45574
2026-03-05 03:08:01	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 13, 'cyclethreshold': 0.05498892068862915, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:08:01	INFO	SDAlgorithmBase::deconvolve 	[im_orig] Run Hogbom minor-cycle | CycleThreshold=0.0549889, CycleNiter=13, Gain=0.3
2026-03-05 03:08:03	INFO	SDAlgorithmBase::deconvolve 	[im_orig] iters=0->7 [7], model=4.6028->5.02619, peakres=0.45574->0.0435268, Reached cyclethreshold.
2026-03-05 03:08:03	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 14 iterations.
2026-03-05 03:08:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:08:07	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0416506, over full image : 0.0416506
2026-03-05 03:08:07	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 6, 'cyclethreshold': 0.005025508347898722, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:08:07	INFO	SDAlgorithmBase::deconvolve 	[im_orig] Run Hogbom minor-cycle | CycleThreshold=0.00502551, CycleNiter=6, Gain=0.3
2026-03-05 03:08:08	INFO	SDAlgorithmBase::deconvolve 	[im_orig] iters=0->6 [6], model=5.02619->5.04001, peakres=0.0416506->0.0226678, Reached cycleniter.
2026-03-05 03:08:08	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:08:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:08:12	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.022671, over full image : 0.022671
2026-03-05 03:08:12	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:08:12	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:08:12	INFO	SDAlgorithmBase::restore 	[im_orig] : Restoring model image.
2026-03-05 03:08:13	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.6975 arcsec, 77.5413 arcsec, -89.6046 deg
2026-03-05 03:08:14	INFO	tclean::::casa	Searching for images with prefix 'im_orig'... Found these, writing history into them: ['im_orig.residual', 'im_orig.sumwt', 'im_orig.image', 'im_orig.psf', 'im_orig.model', 'im_orig.mask', 'im_orig.pb']
2026-03-05 03:08:16	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:07:33.836323 End time: 2026-03-05 03:08:15.656771
2026-03-05 03:08:16	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:08:16	INFO	tclean::::casa	##########################################
2026-03-05 03:08:16	INFO	imstat::::casa	##########################################
2026-03-05 03:08:16	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:08:16	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 )
2026-03-05 03:08:16	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:08:16	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:08:16	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:08:16	INFO	imstat::image::statistics 	Determining stats for image im_orig.image
2026-03-05 03:08:16	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:08:16	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)
2026-03-05 03:08:16	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:08:16	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:08:16	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:08:16	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [2047, 2047, 0, 0]
2026-03-05 03:08:16	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 20:11:05.220, +38.21.11.967, I, 999980841.3Hz
2026-03-05 03:08:16	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:47:03.322, +42.54.02.996, I, 999980841.3Hz
2026-03-05 03:08:16	INFO	imstat::::	Values --- 
2026-03-05 03:08:16	INFO	imstat::::	         -- flux density [flux]:                    5.2713 Jy
2026-03-05 03:08:16	INFO	imstat::::	         -- number of points [npts]:                4.1943e+06
2026-03-05 03:08:16	INFO	imstat::::	         -- maximum value [max]:                    4.97713 Jy/beam
2026-03-05 03:08:16	INFO	imstat::::	         -- minimum value [min]:                    -0.022671 Jy/beam
2026-03-05 03:08:16	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [1509, 773, 0, 0]
2026-03-05 03:08:16	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [1708, 965, 0, 0]
2026-03-05 03:08:16	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.302, +40.06.02.372, I, 999980841.3Hz
2026-03-05 03:08:16	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:51:28.525, +40.31.07.260, I, 999980841.3Hz
2026-03-05 03:08:16	INFO	imstat::::	         -- Sum of pixel values [sum]:               641.87 Jy/beam
2026-03-05 03:08:16	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1619.58 Jy/beam.Jy/beam
2026-03-05 03:08:16	INFO	imstat::::	Statistics --- 
2026-03-05 03:08:16	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.000153034 Jy/beam
2026-03-05 03:08:16	INFO	imstat::::	        -- Variance of the pixel values :           0.000386116 Jy/beam
2026-03-05 03:08:16	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.0196498 Jy/beam
2026-03-05 03:08:16	INFO	imstat::::	        -- Root mean square [rms]:                  0.0196504 Jy/beam
2026-03-05 03:08:16	INFO	imstat::::	        -- Median of the pixel values [median]:     4.62212e-06 Jy/beam
2026-03-05 03:08:16	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 0.003161 Jy/beam
2026-03-05 03:08:16	INFO	imstat::::	        -- IQR [quartile]:                          0.00632194 Jy/beam
2026-03-05 03:08:16	INFO	imstat::::	        -- First quartile [q1]:                     -0.00315522 Jy/beam
2026-03-05 03:08:16	INFO	imstat::::	        -- Third quartile [q3]:                     0.00316673 Jy/beam
2026-03-05 03:08:16	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:08:16	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:08:16	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:08:16	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:08:16	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:08:16	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:08:16	INFO	imstat::ImageStatsCalculator::statistics	 4.194304e+06  6.418700e+02  1.530337e-04  1.965042e-02  1.964982e-02 -2.267099e-02  4.977134e+00
2026-03-05 03:08:16	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:08:15.660882 End time: 2026-03-05 03:08:16.018919
2026-03-05 03:08:16	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:08:16	INFO	imstat::::casa	##########################################
2026-03-05 03:08:16	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:08:16	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:08:16	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)
2026-03-05 03:08:16	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:08:16	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:08:16 2026******
2026-03-05 03:08:16	INFO	ImageFitter::fit+	
2026-03-05 03:08:16	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:08:16	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_orig.image
2026-03-05 03:08:16	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:08:16	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:08:16	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:08:16	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:08:16	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:08:16	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:08:16	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:08:16	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:08:16	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)
2026-03-05 03:08:16	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29832 Jy
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.00459192 Jy
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85855 Jy
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00458731 Jy
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	Fit on im_orig.image component 0
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.9885 +/- 0.0032 s (0.0367 arcsec along great circle)
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.0594 +/- 0.0281 arcsec
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	       --- ra:  1509.4535 +/- 0.0046 pixels
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	       --- dec: 772.7181 +/- 0.0035 pixels
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.4778 +/- 0.0014 arcmin
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.2915 +/- 0.0011 arcmin
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.42 +/- 0.26 deg
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.70 arcsec
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.54 arcsec
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	       --- position angle: -89.60 deg
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	    Component is a point source
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	    An upper limit on its size cannot be determined
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.0049 +/- 0.0079 Jy
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	       --- Peak:         5.0102 +/- 0.0046 Jy/beam
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:08:16	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9808 MHz (29.97982 cm)
2026-03-05 03:08:16	INFO	phaseshift::::casa	##########################################
2026-03-05 03:08:16	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:08:16	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' )
2026-03-05 03:08:16	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:08:16	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:08:16	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:08:16	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:08:16	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:08:16	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:08:16	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:08:16	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:08:16	INFO	MSTransformManager::open	Select data
2026-03-05 03:08:16	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:08:18	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:08:18	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40d06m00' successfully parsed
2026-03-05 03:08:18	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:08:19	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:08:19	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:08:16.110055 End time: 2026-03-05 03:08:18.915543
2026-03-05 03:08:19	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:08:19	INFO	phaseshift::::casa	##########################################
2026-03-05 03:08:19	INFO	tclean::::casa	##########################################
2026-03-05 03:08:19	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:08:19	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 )
2026-03-05 03:08:19	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:08:19	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:08:19	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:08:19	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:08:19	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:08:19	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:08:19	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:08:19	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:08:19	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.77 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:08:19	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:08:19	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:08:19	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:08:20	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:08:20	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.02312
2026-03-05 03:08:20	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:08:20	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:08:21	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:08:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:08:23	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:08:23	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:08:23	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:08:23	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:08:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:08:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:08:27	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:08:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:08:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:08:27	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:08:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:08:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:08:27	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:08:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:08:28	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:08:28	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:08:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:08:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:08:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:08:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:08:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:08:29	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:08:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:08:31	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:08:31	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:08:31	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:08:33	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:08:33	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:08:33	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:08:33	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:08:33	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:08:34	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:08:36	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:08:18.969714 End time: 2026-03-05 03:08:36.133444
2026-03-05 03:08:36	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:08:36	INFO	tclean::::casa	##########################################
2026-03-05 03:08:36	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:08:36	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:08:36	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)
2026-03-05 03:08:36	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:08:36	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:08:36 2026******
2026-03-05 03:08:36	INFO	ImageFitter::fit+	
2026-03-05 03:08:36	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:08:36	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:08:36	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:08:36	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:08:36	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:08:36	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:08:36	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:08:36	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:08:36	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:08:36	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:08:36	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)
2026-03-05 03:08:36	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126491 Jy
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:08:36	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:08:36	INFO	imstat::::casa	##########################################
2026-03-05 03:08:36	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:08:36	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 )
2026-03-05 03:08:36	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:08:36	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:08:36	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:08:36	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:08:36	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:08:36	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)
2026-03-05 03:08:36	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:08:36	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:08:36	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:08:36	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:08:36	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:08:36	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:08:36	INFO	imstat::::	Values --- 
2026-03-05 03:08:36	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:08:36	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:08:36	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:08:36	INFO	imstat::::	         -- minimum value [min]:                    -7.77766e-05 Jy/beam
2026-03-05 03:08:36	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:08:36	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:08:36	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:08:36	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:08:36	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:08:36	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:08:36	INFO	imstat::::	Statistics --- 
2026-03-05 03:08:36	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:08:36	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:08:36	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:08:36	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:08:36	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86645e-05 Jy/beam
2026-03-05 03:08:36	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam
2026-03-05 03:08:36	INFO	imstat::::	        -- IQR [quartile]:                          3.56193e-05 Jy/beam
2026-03-05 03:08:36	INFO	imstat::::	        -- First quartile [q1]:                     -3.45066e-05 Jy/beam
2026-03-05 03:08:36	INFO	imstat::::	        -- Third quartile [q3]:                     1.11276e-06 Jy/beam
2026-03-05 03:08:36	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:08:36	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:08:36	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:08:36	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:08:36	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:08:36	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:08:36	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
2026-03-05 03:08:36	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:08:36.208662 End time: 2026-03-05 03:08:36.247998
2026-03-05 03:08:36	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:08:36	INFO	imstat::::casa	##########################################
2026-03-05 03:08:36	INFO	phaseshift::::casa	##########################################
2026-03-05 03:08:36	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:08:36	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 19h53m50 02:40:24.0000' )
2026-03-05 03:08:36	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:08:36	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:08:36	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:08:36	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:08:36	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:08:36	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:08:36	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:08:36	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:08:36	INFO	MSTransformManager::open	Select data
2026-03-05 03:08:36	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:08:41	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 ".".
2026-03-05 03:08:41	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 02:40:24.0000' successfully parsed
2026-03-05 03:08:41	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:08:42	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:08:43	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:08:36.263490 End time: 2026-03-05 03:08:42.649580
2026-03-05 03:08:43	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:08:43	INFO	phaseshift::::casa	##########################################
2026-03-05 03:08:43	INFO	tclean::::casa	##########################################
2026-03-05 03:08:43	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:08:43	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 )
2026-03-05 03:08:43	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:08:43	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:08:43	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:08:43	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:08:43	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:08:43	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:08:43	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:08:43	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:08:43	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.77 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:08:43	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:08:43	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:08:43	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:08:45	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:08:45	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.018508
2026-03-05 03:08:45	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:08:45	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:08:46	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:08:48	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:08:49	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:08:49	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:08:49	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:08:49	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:08:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:08:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:08:50	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:08:50	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:08:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:08:51	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:08:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:08:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:08:52	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:08:52	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:08:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:08:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:08:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:08:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:08:54	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:08:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:08:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:08:57	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:08:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:08:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:08:57	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:08:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:08:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:08:59	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:08:59	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:08:59	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:09:00	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:09:01	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:09:03	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:08:42.715633 End time: 2026-03-05 03:09:03.305833
2026-03-05 03:09:03	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:09:03	INFO	tclean::::casa	##########################################
2026-03-05 03:09:03	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:09:03	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:09:03	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)
2026-03-05 03:09:03	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:09:03	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:09:03 2026******
2026-03-05 03:09:03	INFO	ImageFitter::fit+	
2026-03-05 03:09:03	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:09:03	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:09:03	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:09:03	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:09:03	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:09:03	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:09:03	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:09:03	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:09:03	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:09:03	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:09:03	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)
2026-03-05 03:09:03	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126491 Jy
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:09:03	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:09:03	INFO	imstat::::casa	##########################################
2026-03-05 03:09:03	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:09:03	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 )
2026-03-05 03:09:03	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:09:03	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:09:03	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:09:03	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:09:03	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:09:03	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)
2026-03-05 03:09:03	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:09:03	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:09:03	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:09:03	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:09:03	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:09:03	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:09:03	INFO	imstat::::	Values --- 
2026-03-05 03:09:03	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:09:03	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:09:03	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:09:03	INFO	imstat::::	         -- minimum value [min]:                    -7.77766e-05 Jy/beam
2026-03-05 03:09:03	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:09:03	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:09:03	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:09:03	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:09:03	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:09:03	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:09:03	INFO	imstat::::	Statistics --- 
2026-03-05 03:09:03	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:09:03	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:09:03	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:09:03	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:09:03	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86645e-05 Jy/beam
2026-03-05 03:09:03	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam
2026-03-05 03:09:03	INFO	imstat::::	        -- IQR [quartile]:                          3.56193e-05 Jy/beam
2026-03-05 03:09:03	INFO	imstat::::	        -- First quartile [q1]:                     -3.45066e-05 Jy/beam
2026-03-05 03:09:03	INFO	imstat::::	        -- Third quartile [q3]:                     1.11276e-06 Jy/beam
2026-03-05 03:09:03	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:09:03	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:09:03	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:09:03	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:09:03	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:09:03	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:09:03	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.777660e-05  4.999996e+00
2026-03-05 03:09:03	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:09:03.376840 End time: 2026-03-05 03:09:03.402157
2026-03-05 03:09:03	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:09:03	INFO	imstat::::casa	##########################################
2026-03-05 03:09:03	INFO	phaseshift::::casa	##########################################
2026-03-05 03:09:03	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:09:03	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40.100000000deg' )
2026-03-05 03:09:03	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:09:03	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:09:03	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:09:03	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:09:03	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:09:03	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:09:03	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:09:03	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:09:03	INFO	MSTransformManager::open	Select data
2026-03-05 03:09:03	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:09:09	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:09:09	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 40.100000000deg' successfully parsed
2026-03-05 03:09:09	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:09:10	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:09:10	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:09:03.418780 End time: 2026-03-05 03:09:10.328381
2026-03-05 03:09:10	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:09:10	INFO	phaseshift::::casa	##########################################
2026-03-05 03:09:10	INFO	tclean::::casa	##########################################
2026-03-05 03:09:10	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:09:10	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 )
2026-03-05 03:09:10	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:09:10	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:09:10	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:09:11	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:09:11	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:09:11	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:09:11	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:09:11	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:09:11	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.77 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:09:11	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:09:11	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:09:11	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:09:12	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:09:12	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027332
2026-03-05 03:09:12	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:09:12	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:09:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:09:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:09:16	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:09:16	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:09:16	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:09:16	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:09:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:09:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:09:17	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:09:17	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:09:18	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:09:18	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:09:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:09:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:09:19	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:09:19	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:09:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:09:22	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:09:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:09:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:09:22	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:09:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:09:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:09:24	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:09:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:09:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:09:26	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:09:26	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:09:28	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:09:28	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:09:28	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:09:28	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:09:29	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:09:30	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:09:34	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:09:10.386916 End time: 2026-03-05 03:09:33.795741
2026-03-05 03:09:34	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:09:34	INFO	tclean::::casa	##########################################
2026-03-05 03:09:34	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:09:34	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:09:34	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)
2026-03-05 03:09:34	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:09:34	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:09:34 2026******
2026-03-05 03:09:34	INFO	ImageFitter::fit+	
2026-03-05 03:09:34	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:09:34	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:09:34	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:09:34	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:09:34	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:09:34	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:09:34	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:09:34	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:09:34	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:09:34	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:09:34	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)
2026-03-05 03:09:34	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126491 Jy
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:09:34	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:09:34	INFO	imstat::::casa	##########################################
2026-03-05 03:09:34	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:09:34	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 )
2026-03-05 03:09:34	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:09:34	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:09:34	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:09:34	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:09:34	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:09:34	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)
2026-03-05 03:09:34	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:09:34	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:09:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:09:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:09:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:09:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:09:34	INFO	imstat::::	Values --- 
2026-03-05 03:09:34	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:09:34	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:09:34	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:09:34	INFO	imstat::::	         -- minimum value [min]:                    -7.77766e-05 Jy/beam
2026-03-05 03:09:34	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:09:34	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:09:34	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:09:34	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:09:34	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:09:34	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:09:34	INFO	imstat::::	Statistics --- 
2026-03-05 03:09:34	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:09:34	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:09:34	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:09:34	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:09:34	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86645e-05 Jy/beam
2026-03-05 03:09:34	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam
2026-03-05 03:09:34	INFO	imstat::::	        -- IQR [quartile]:                          3.56193e-05 Jy/beam
2026-03-05 03:09:34	INFO	imstat::::	        -- First quartile [q1]:                     -3.45066e-05 Jy/beam
2026-03-05 03:09:34	INFO	imstat::::	        -- Third quartile [q3]:                     1.11276e-06 Jy/beam
2026-03-05 03:09:34	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:09:34	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:09:34	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:09:34	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:09:34	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:09:34	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:09:34	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
2026-03-05 03:09:34	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:09:33.880868 End time: 2026-03-05 03:09:33.916178
2026-03-05 03:09:34	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:09:34	INFO	imstat::::casa	##########################################
2026-03-05 03:09:34	INFO	phaseshift::::casa	##########################################
2026-03-05 03:09:34	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:09:34	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 19h53m50 0.699877030rad' )
2026-03-05 03:09:34	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:09:34	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:09:34	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:09:34	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:09:34	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:09:34	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:09:34	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:09:34	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:09:34	INFO	MSTransformManager::open	Select data
2026-03-05 03:09:34	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:09:39	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:09:39	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19h53m50 0.699877030rad' successfully parsed
2026-03-05 03:09:39	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:09:41	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:09:41	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:09:33.932617 End time: 2026-03-05 03:09:41.080643
2026-03-05 03:09:41	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:09:41	INFO	phaseshift::::casa	##########################################
2026-03-05 03:09:41	INFO	tclean::::casa	##########################################
2026-03-05 03:09:41	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:09:41	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 )
2026-03-05 03:09:41	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:09:41	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:09:41	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:09:41	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:09:41	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:09:41	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:09:41	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:09:41	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:09:41	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.77 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:09:41	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:09:41	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:09:41	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:09:43	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:09:43	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022606
2026-03-05 03:09:43	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:09:43	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:09:45	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:09:46	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:09:46	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:09:46	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:09:46	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:09:46	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:09:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:09:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:09:47	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:09:47	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:09:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:09:49	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:09:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:09:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:09:50	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:09:50	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:09:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:09:51	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:09:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:09:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:09:52	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:09:52	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:09:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:09:54	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:09:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:09:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:09:56	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:09:56	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:09:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:09:57	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:09:57	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:09:57	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:09:59	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:10:00	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:10:04	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:09:41.132387 End time: 2026-03-05 03:10:03.729433
2026-03-05 03:10:04	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:10:04	INFO	tclean::::casa	##########################################
2026-03-05 03:10:04	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:10:04	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:10:04	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)
2026-03-05 03:10:04	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:10:04	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:10:04 2026******
2026-03-05 03:10:04	INFO	ImageFitter::fit+	
2026-03-05 03:10:04	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:10:04	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:10:04	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:10:04	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:10:04	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:10:04	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:10:04	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:10:04	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:10:04	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:10:04	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:10:04	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)
2026-03-05 03:10:04	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126486 Jy
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:10:04	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:10:04	INFO	imstat::::casa	##########################################
2026-03-05 03:10:04	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:10:04	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 )
2026-03-05 03:10:04	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:10:04	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:10:04	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:10:04	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:10:04	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:10:04	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)
2026-03-05 03:10:04	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:10:04	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:10:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:10:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:10:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:10:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:10:04	INFO	imstat::::	Values --- 
2026-03-05 03:10:04	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:10:04	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:10:04	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:10:04	INFO	imstat::::	         -- minimum value [min]:                    -7.77764e-05 Jy/beam
2026-03-05 03:10:04	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:10:04	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-03-05 03:10:04	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:10:04	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-03-05 03:10:04	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:10:04	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:10:04	INFO	imstat::::	Statistics --- 
2026-03-05 03:10:04	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:10:04	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:10:04	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:10:04	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:10:04	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86664e-05 Jy/beam
2026-03-05 03:10:04	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam
2026-03-05 03:10:04	INFO	imstat::::	        -- IQR [quartile]:                          3.56255e-05 Jy/beam
2026-03-05 03:10:04	INFO	imstat::::	        -- First quartile [q1]:                     -3.45078e-05 Jy/beam
2026-03-05 03:10:04	INFO	imstat::::	        -- Third quartile [q3]:                     1.11764e-06 Jy/beam
2026-03-05 03:10:04	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:10:04	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:10:04	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:10:04	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:10:04	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:10:04	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:10:04	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
2026-03-05 03:10:04	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:10:03.804457 End time: 2026-03-05 03:10:03.831161
2026-03-05 03:10:04	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:10:04	INFO	imstat::::casa	##########################################
2026-03-05 03:10:04	INFO	phaseshift::::casa	##########################################
2026-03-05 03:10:04	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:10:04	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 40d06m00' )
2026-03-05 03:10:04	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:10:04	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:10:04	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:10:04	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:10:04	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:10:04	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:10:04	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:10:04	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:10:04	INFO	MSTransformManager::open	Select data
2026-03-05 03:10:04	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:10:08	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:10:08	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19:53:50.0000 40d06m00' successfully parsed
2026-03-05 03:10:08	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:10:09	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:10:09	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:10:03.848436 End time: 2026-03-05 03:10:09.488691
2026-03-05 03:10:09	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:10:09	INFO	phaseshift::::casa	##########################################
2026-03-05 03:10:10	INFO	tclean::::casa	##########################################
2026-03-05 03:10:10	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:10:10	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 )
2026-03-05 03:10:10	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:10:10	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:10:10	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:10:10	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:10:10	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:10:10	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:10:10	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:10:10	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:10:10	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.77 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:10:10	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:10:10	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:10:10	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:10:12	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:10:12	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027523
2026-03-05 03:10:12	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:10:12	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:10:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:10:14	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:10:15	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:10:15	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:10:15	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:10:15	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:10:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:10:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:10:16	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:10:16	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:10:18	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:10:18	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:10:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:10:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:10:19	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:10:19	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:10:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:10:21	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:10:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:10:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:10:22	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:10:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:10:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:10:24	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:10:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:10:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:10:26	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:10:26	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:10:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:10:29	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:10:29	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:10:29	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:10:30	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:10:31	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:10:33	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:10:09.541266 End time: 2026-03-05 03:10:33.450337
2026-03-05 03:10:33	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:10:33	INFO	tclean::::casa	##########################################
2026-03-05 03:10:33	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:10:33	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:10:33	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)
2026-03-05 03:10:33	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:10:33	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:10:33 2026******
2026-03-05 03:10:33	INFO	ImageFitter::fit+	
2026-03-05 03:10:33	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:10:33	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:10:33	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:10:33	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:10:33	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:10:33	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:10:33	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:10:33	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:10:34	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:10:34	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:10:34	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)
2026-03-05 03:10:34	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126491 Jy
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:10:34	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:10:34	INFO	imstat::::casa	##########################################
2026-03-05 03:10:34	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:10:34	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 )
2026-03-05 03:10:34	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:10:34	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:10:34	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:10:34	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:10:34	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:10:34	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)
2026-03-05 03:10:34	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:10:34	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:10:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:10:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:10:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:10:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:10:34	INFO	imstat::::	Values --- 
2026-03-05 03:10:34	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:10:34	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:10:34	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:10:34	INFO	imstat::::	         -- minimum value [min]:                    -7.77766e-05 Jy/beam
2026-03-05 03:10:34	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:10:34	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:10:34	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:10:34	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:10:34	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:10:34	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:10:34	INFO	imstat::::	Statistics --- 
2026-03-05 03:10:34	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:10:34	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:10:34	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:10:34	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:10:34	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86645e-05 Jy/beam
2026-03-05 03:10:34	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam
2026-03-05 03:10:34	INFO	imstat::::	        -- IQR [quartile]:                          3.56193e-05 Jy/beam
2026-03-05 03:10:34	INFO	imstat::::	        -- First quartile [q1]:                     -3.45066e-05 Jy/beam
2026-03-05 03:10:34	INFO	imstat::::	        -- Third quartile [q3]:                     1.11276e-06 Jy/beam
2026-03-05 03:10:34	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:10:34	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:10:34	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:10:34	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:10:34	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:10:34	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:10:34	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
2026-03-05 03:10:34	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:10:33.527787 End time: 2026-03-05 03:10:33.556334
2026-03-05 03:10:34	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:10:34	INFO	imstat::::casa	##########################################
2026-03-05 03:10:34	INFO	phaseshift::::casa	##########################################
2026-03-05 03:10:34	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:10:34	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 19:53:50.0000 02:40:24.0000' )
2026-03-05 03:10:34	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:10:34	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:10:34	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:10:34	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:10:34	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:10:34	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:10:34	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:10:34	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:10:34	INFO	MSTransformManager::open	Select data
2026-03-05 03:10:34	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:10:41	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 ".".
2026-03-05 03:10:41	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19:53:50.0000 02:40:24.0000' successfully parsed
2026-03-05 03:10:41	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:10:42	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:10:42	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:10:33.575401 End time: 2026-03-05 03:10:41.929639
2026-03-05 03:10:42	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:10:42	INFO	phaseshift::::casa	##########################################
2026-03-05 03:10:42	INFO	tclean::::casa	##########################################
2026-03-05 03:10:42	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:10:42	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 )
2026-03-05 03:10:42	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:10:42	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:10:42	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:10:42	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:10:42	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:10:42	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:10:42	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:10:42	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:10:42	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.77 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:10:42	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:10:42	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:10:42	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:10:44	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:10:44	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.023398
2026-03-05 03:10:44	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:10:44	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:10:45	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:10:47	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:10:47	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:10:47	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:10:47	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:10:47	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:10:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:10:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:10:48	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:10:48	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:10:50	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:10:50	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:10:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:10:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:10:51	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:10:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:10:52	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:10:52	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:10:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:10:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:10:53	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:10:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:10:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:10:54	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:10:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:10:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:10:55	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:10:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:10:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:10:57	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:10:57	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:10:57	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:11:01	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:11:02	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:11:06	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:10:41.985218 End time: 2026-03-05 03:11:05.776164
2026-03-05 03:11:06	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:11:06	INFO	tclean::::casa	##########################################
2026-03-05 03:11:06	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:11:06	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:11:06	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)
2026-03-05 03:11:06	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:11:06	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:11:06 2026******
2026-03-05 03:11:06	INFO	ImageFitter::fit+	
2026-03-05 03:11:06	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:11:06	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:11:06	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:11:06	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:11:06	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:11:06	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:11:06	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:11:06	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:11:06	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:11:06	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:11:06	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)
2026-03-05 03:11:06	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126491 Jy
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:11:06	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:11:06	INFO	imstat::::casa	##########################################
2026-03-05 03:11:06	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:11:06	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 )
2026-03-05 03:11:06	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:11:06	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:11:06	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:11:06	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:11:06	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:11:06	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)
2026-03-05 03:11:06	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:11:06	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:11:06	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:11:06	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:11:06	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:11:06	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:11:06	INFO	imstat::::	Values --- 
2026-03-05 03:11:06	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:11:06	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:11:06	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:11:06	INFO	imstat::::	         -- minimum value [min]:                    -7.77766e-05 Jy/beam
2026-03-05 03:11:06	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:11:06	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:11:06	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:11:06	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:11:06	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:11:06	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:11:06	INFO	imstat::::	Statistics --- 
2026-03-05 03:11:06	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:11:06	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:11:06	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:11:06	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:11:06	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86645e-05 Jy/beam
2026-03-05 03:11:06	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam
2026-03-05 03:11:06	INFO	imstat::::	        -- IQR [quartile]:                          3.56193e-05 Jy/beam
2026-03-05 03:11:06	INFO	imstat::::	        -- First quartile [q1]:                     -3.45066e-05 Jy/beam
2026-03-05 03:11:06	INFO	imstat::::	        -- Third quartile [q3]:                     1.11276e-06 Jy/beam
2026-03-05 03:11:06	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:11:06	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:11:06	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:11:06	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:11:06	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:11:06	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:11:06	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
2026-03-05 03:11:06	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:11:05.847105 End time: 2026-03-05 03:11:05.872516
2026-03-05 03:11:06	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:11:06	INFO	imstat::::casa	##########################################
2026-03-05 03:11:06	INFO	phaseshift::::casa	##########################################
2026-03-05 03:11:06	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:11:06	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 40.100000000deg' )
2026-03-05 03:11:06	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:11:06	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:11:06	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:11:06	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:11:06	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:11:06	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:11:06	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:11:06	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:11:06	INFO	MSTransformManager::open	Select data
2026-03-05 03:11:06	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:11:14	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:11:14	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19:53:50.0000 40.100000000deg' successfully parsed
2026-03-05 03:11:14	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:11:16	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:11:16	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:11:05.888891 End time: 2026-03-05 03:11:15.662725
2026-03-05 03:11:16	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:11:16	INFO	phaseshift::::casa	##########################################
2026-03-05 03:11:16	INFO	tclean::::casa	##########################################
2026-03-05 03:11:16	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:11:16	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 )
2026-03-05 03:11:16	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:11:16	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:11:16	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:11:16	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:11:16	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:11:16	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:11:16	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:11:16	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:11:16	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:11:16	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:11:16	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:11:16	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:11:18	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:11:18	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027464
2026-03-05 03:11:18	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:11:18	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:11:19	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:11:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:11:21	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:11:21	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:11:21	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:11:21	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:11:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:11:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:11:22	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:11:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:11:23	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:11:23	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:11:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:11:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:11:24	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:11:24	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:11:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:11:26	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:11:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:11:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:11:27	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:11:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:11:28	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:11:28	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:11:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:11:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:11:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:11:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:11:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:11:30	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:11:30	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:11:30	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:11:31	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:11:31	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:11:34	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:11:15.721714 End time: 2026-03-05 03:11:33.682607
2026-03-05 03:11:34	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:11:34	INFO	tclean::::casa	##########################################
2026-03-05 03:11:34	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:11:34	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:11:34	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)
2026-03-05 03:11:34	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:11:34	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:11:34 2026******
2026-03-05 03:11:34	INFO	ImageFitter::fit+	
2026-03-05 03:11:34	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:11:34	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:11:34	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:11:34	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:11:34	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:11:34	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:11:34	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:11:34	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:11:34	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:11:34	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:11:34	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)
2026-03-05 03:11:34	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126491 Jy
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:11:34	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:11:34	INFO	imstat::::casa	##########################################
2026-03-05 03:11:34	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:11:34	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 )
2026-03-05 03:11:34	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:11:34	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:11:34	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:11:34	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:11:34	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:11:34	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)
2026-03-05 03:11:34	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:11:34	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:11:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:11:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:11:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:11:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:11:34	INFO	imstat::::	Values --- 
2026-03-05 03:11:34	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:11:34	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:11:34	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:11:34	INFO	imstat::::	         -- minimum value [min]:                    -7.77766e-05 Jy/beam
2026-03-05 03:11:34	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:11:34	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:11:34	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:11:34	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:11:34	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:11:34	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:11:34	INFO	imstat::::	Statistics --- 
2026-03-05 03:11:34	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:11:34	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:11:34	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:11:34	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:11:34	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86645e-05 Jy/beam
2026-03-05 03:11:34	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam
2026-03-05 03:11:34	INFO	imstat::::	        -- IQR [quartile]:                          3.56193e-05 Jy/beam
2026-03-05 03:11:34	INFO	imstat::::	        -- First quartile [q1]:                     -3.45066e-05 Jy/beam
2026-03-05 03:11:34	INFO	imstat::::	        -- Third quartile [q3]:                     1.11276e-06 Jy/beam
2026-03-05 03:11:34	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:11:34	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:11:34	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:11:34	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:11:34	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:11:34	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:11:34	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
2026-03-05 03:11:34	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:11:33.760141 End time: 2026-03-05 03:11:33.787337
2026-03-05 03:11:34	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:11:34	INFO	imstat::::casa	##########################################
2026-03-05 03:11:34	INFO	phaseshift::::casa	##########################################
2026-03-05 03:11:34	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:11:34	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 19:53:50.0000 0.699877030rad' )
2026-03-05 03:11:34	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:11:34	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:11:34	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:11:34	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:11:34	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:11:34	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:11:34	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:11:34	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:11:34	INFO	MSTransformManager::open	Select data
2026-03-05 03:11:34	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:11:39	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:11:39	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 19:53:50.0000 0.699877030rad' successfully parsed
2026-03-05 03:11:39	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:11:40	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:11:40	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:11:33.803906 End time: 2026-03-05 03:11:39.880436
2026-03-05 03:11:40	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:11:40	INFO	phaseshift::::casa	##########################################
2026-03-05 03:11:40	INFO	tclean::::casa	##########################################
2026-03-05 03:11:40	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:11:40	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 )
2026-03-05 03:11:40	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:11:40	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:11:40	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:11:40	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:11:40	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:11:40	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:11:40	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:11:40	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:11:40	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:11:40	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:11:40	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:11:40	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:11:42	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:11:42	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.025685
2026-03-05 03:11:42	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:11:42	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:11:44	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:11:45	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:11:46	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:11:47	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:11:47	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:11:47	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:11:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:11:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:11:48	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:11:48	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:11:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:11:51	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:11:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:11:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:11:51	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:11:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:11:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:11:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:11:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:11:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:11:54	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:11:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:11:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:11:57	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:11:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:11:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:11:58	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:11:58	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:11:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:11:59	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:11:59	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:11:59	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:12:01	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:12:01	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:12:04	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:11:39.923607 End time: 2026-03-05 03:12:03.573573
2026-03-05 03:12:04	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:12:04	INFO	tclean::::casa	##########################################
2026-03-05 03:12:04	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:12:04	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:12:04	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)
2026-03-05 03:12:04	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:12:04	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:12:04 2026******
2026-03-05 03:12:04	INFO	ImageFitter::fit+	
2026-03-05 03:12:04	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:12:04	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:12:04	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:12:04	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:12:04	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:12:04	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:12:04	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:12:04	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:12:04	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:12:04	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:12:04	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)
2026-03-05 03:12:04	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126486 Jy
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:12:04	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:12:04	INFO	imstat::::casa	##########################################
2026-03-05 03:12:04	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:12:04	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 )
2026-03-05 03:12:04	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:12:04	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:12:04	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:12:04	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:12:04	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:12:04	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)
2026-03-05 03:12:04	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:12:04	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:12:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:12:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:12:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:12:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:12:04	INFO	imstat::::	Values --- 
2026-03-05 03:12:04	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:12:04	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:12:04	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:12:04	INFO	imstat::::	         -- minimum value [min]:                    -7.77764e-05 Jy/beam
2026-03-05 03:12:04	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:12:04	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-03-05 03:12:04	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:12:04	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-03-05 03:12:04	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:12:04	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:12:04	INFO	imstat::::	Statistics --- 
2026-03-05 03:12:04	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:12:04	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:12:04	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:12:04	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:12:04	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86664e-05 Jy/beam
2026-03-05 03:12:04	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam
2026-03-05 03:12:04	INFO	imstat::::	        -- IQR [quartile]:                          3.56255e-05 Jy/beam
2026-03-05 03:12:04	INFO	imstat::::	        -- First quartile [q1]:                     -3.45078e-05 Jy/beam
2026-03-05 03:12:04	INFO	imstat::::	        -- Third quartile [q3]:                     1.11764e-06 Jy/beam
2026-03-05 03:12:04	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:12:04	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:12:04	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:12:04	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:12:04	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:12:04	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:12:04	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
2026-03-05 03:12:04	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:12:03.648715 End time: 2026-03-05 03:12:03.674774
2026-03-05 03:12:04	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:12:04	INFO	imstat::::casa	##########################################
2026-03-05 03:12:04	INFO	phaseshift::::casa	##########################################
2026-03-05 03:12:04	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:12:04	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 40d06m00' )
2026-03-05 03:12:04	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:12:04	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:12:04	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:12:04	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:12:04	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:12:04	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:12:04	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:12:04	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:12:04	INFO	MSTransformManager::open	Select data
2026-03-05 03:12:04	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:12:10	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:12:10	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 298.458333333deg 40d06m00' successfully parsed
2026-03-05 03:12:10	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:12:11	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:12:12	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:12:03.690928 End time: 2026-03-05 03:12:11.520744
2026-03-05 03:12:12	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:12:12	INFO	phaseshift::::casa	##########################################
2026-03-05 03:12:12	INFO	tclean::::casa	##########################################
2026-03-05 03:12:12	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:12:12	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 )
2026-03-05 03:12:12	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:12:12	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:12:12	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:12:12	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:12:12	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:12:12	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:12:12	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:12:12	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:12:12	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:12:12	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:12:12	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:12:12	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:12:13	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:12:13	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027866
2026-03-05 03:12:13	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:12:13	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:12:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:12:16	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:12:16	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:12:16	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:12:16	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:12:16	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:12:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:12:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:12:17	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:12:17	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:12:19	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:12:19	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:12:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:12:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:12:20	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:12:20	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:12:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:12:21	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:12:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:12:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:12:22	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:12:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:12:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:12:24	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:12:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:12:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:12:24	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:12:24	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:12:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:12:27	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:12:27	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:12:27	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:12:29	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:12:29	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:12:33	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:12:11.571698 End time: 2026-03-05 03:12:33.212271
2026-03-05 03:12:33	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:12:33	INFO	tclean::::casa	##########################################
2026-03-05 03:12:33	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:12:33	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:12:33	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)
2026-03-05 03:12:33	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:12:33	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:12:33 2026******
2026-03-05 03:12:33	INFO	ImageFitter::fit+	
2026-03-05 03:12:33	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:12:33	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:12:33	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:12:33	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:12:33	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:12:33	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:12:33	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:12:33	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:12:33	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:12:33	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:12:33	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)
2026-03-05 03:12:33	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:12:33	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:12:33	INFO	imstat::::casa	##########################################
2026-03-05 03:12:33	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:12:33	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 )
2026-03-05 03:12:33	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:12:33	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:12:33	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:12:33	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:12:33	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:12:33	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)
2026-03-05 03:12:33	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:12:33	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:12:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:12:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:12:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:12:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:12:33	INFO	imstat::::	Values --- 
2026-03-05 03:12:33	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:12:33	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:12:33	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:12:33	INFO	imstat::::	         -- minimum value [min]:                    -7.77758e-05 Jy/beam
2026-03-05 03:12:33	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:12:33	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:12:33	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:12:33	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:12:33	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:12:33	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:12:33	INFO	imstat::::	Statistics --- 
2026-03-05 03:12:33	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:12:33	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:12:33	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:12:33	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:12:33	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86641e-05 Jy/beam
2026-03-05 03:12:33	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam
2026-03-05 03:12:33	INFO	imstat::::	        -- IQR [quartile]:                          3.56208e-05 Jy/beam
2026-03-05 03:12:33	INFO	imstat::::	        -- First quartile [q1]:                     -3.45075e-05 Jy/beam
2026-03-05 03:12:33	INFO	imstat::::	        -- Third quartile [q3]:                     1.11336e-06 Jy/beam
2026-03-05 03:12:33	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:12:33	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:12:33	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:12:33	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:12:33	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:12:33	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:12:33	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
2026-03-05 03:12:33	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:12:33.286695 End time: 2026-03-05 03:12:33.312762
2026-03-05 03:12:33	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:12:33	INFO	imstat::::casa	##########################################
2026-03-05 03:12:33	INFO	phaseshift::::casa	##########################################
2026-03-05 03:12:33	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:12:33	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 02:40:24.0000' )
2026-03-05 03:12:33	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:12:33	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:12:33	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:12:33	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:12:33	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:12:33	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:12:33	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:12:33	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:12:33	INFO	MSTransformManager::open	Select data
2026-03-05 03:12:33	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:12:38	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 ".".
2026-03-05 03:12:38	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 298.458333333deg 02:40:24.0000' successfully parsed
2026-03-05 03:12:38	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:12:39	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:12:40	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:12:33.328961 End time: 2026-03-05 03:12:39.862978
2026-03-05 03:12:40	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:12:40	INFO	phaseshift::::casa	##########################################
2026-03-05 03:12:40	INFO	tclean::::casa	##########################################
2026-03-05 03:12:40	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:12:40	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 )
2026-03-05 03:12:40	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:12:40	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:12:40	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:12:40	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:12:40	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:12:40	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:12:40	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:12:40	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:12:40	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:12:40	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:12:40	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:12:40	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:12:42	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:12:43	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.02421
2026-03-05 03:12:43	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:12:43	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:12:44	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:12:45	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:12:46	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:12:46	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:12:46	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:12:46	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:12:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:12:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:12:47	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:12:47	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:12:48	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:12:48	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:12:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:12:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:12:49	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:12:49	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:12:50	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:12:50	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:12:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:12:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:12:51	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:12:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:12:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:12:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:12:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:12:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:12:53	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:12:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:12:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:12:55	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:12:55	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:12:55	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:12:58	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:12:58	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:13:01	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:12:39.922465 End time: 2026-03-05 03:13:00.791764
2026-03-05 03:13:01	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:13:01	INFO	tclean::::casa	##########################################
2026-03-05 03:13:01	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:13:01	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:13:01	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)
2026-03-05 03:13:01	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:13:01	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:13:01 2026******
2026-03-05 03:13:01	INFO	ImageFitter::fit+	
2026-03-05 03:13:01	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:13:01	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:13:01	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:13:01	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:13:01	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:13:01	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:13:01	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:13:01	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:13:01	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:13:01	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:13:01	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)
2026-03-05 03:13:01	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:13:01	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:13:01	INFO	imstat::::casa	##########################################
2026-03-05 03:13:01	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:13:01	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 )
2026-03-05 03:13:01	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:13:01	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:13:01	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:13:01	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:13:01	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:13:01	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)
2026-03-05 03:13:01	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:13:01	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:13:01	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:13:01	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:13:01	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:13:01	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:13:01	INFO	imstat::::	Values --- 
2026-03-05 03:13:01	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:13:01	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:13:01	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:13:01	INFO	imstat::::	         -- minimum value [min]:                    -7.77758e-05 Jy/beam
2026-03-05 03:13:01	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:13:01	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:13:01	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:13:01	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:13:01	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:13:01	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:13:01	INFO	imstat::::	Statistics --- 
2026-03-05 03:13:01	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:13:01	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:13:01	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:13:01	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:13:01	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86641e-05 Jy/beam
2026-03-05 03:13:01	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam
2026-03-05 03:13:01	INFO	imstat::::	        -- IQR [quartile]:                          3.56208e-05 Jy/beam
2026-03-05 03:13:01	INFO	imstat::::	        -- First quartile [q1]:                     -3.45075e-05 Jy/beam
2026-03-05 03:13:01	INFO	imstat::::	        -- Third quartile [q3]:                     1.11336e-06 Jy/beam
2026-03-05 03:13:01	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:13:01	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:13:01	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:13:01	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:13:01	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:13:01	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:13:01	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
2026-03-05 03:13:01	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:13:00.865515 End time: 2026-03-05 03:13:00.891604
2026-03-05 03:13:01	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:13:01	INFO	imstat::::casa	##########################################
2026-03-05 03:13:01	INFO	phaseshift::::casa	##########################################
2026-03-05 03:13:01	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:13:01	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 40.100000000deg' )
2026-03-05 03:13:01	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:13:01	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:13:01	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:13:01	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:13:01	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:13:01	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:13:01	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:13:01	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:13:01	INFO	MSTransformManager::open	Select data
2026-03-05 03:13:01	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:13:07	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:13:07	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 298.458333333deg 40.100000000deg' successfully parsed
2026-03-05 03:13:07	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:13:09	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:13:09	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:13:00.908224 End time: 2026-03-05 03:13:09.263406
2026-03-05 03:13:09	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:13:09	INFO	phaseshift::::casa	##########################################
2026-03-05 03:13:09	INFO	tclean::::casa	##########################################
2026-03-05 03:13:09	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:13:09	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 )
2026-03-05 03:13:09	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:13:09	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:13:09	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:13:09	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:13:09	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:13:09	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:13:09	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:13:09	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:13:09	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:13:09	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:13:09	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:13:09	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:13:11	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:13:11	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.019453
2026-03-05 03:13:11	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:13:11	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:13:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:13:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:13:17	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:13:17	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:13:17	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:13:17	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:13:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:13:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:13:18	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:13:18	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:13:19	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:13:19	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:13:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:13:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:13:20	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:13:20	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:13:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:13:22	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:13:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:13:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:13:22	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:13:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:13:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:13:24	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:13:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:13:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:13:25	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:13:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:13:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:13:26	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:13:26	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:13:26	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:13:28	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:13:28	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:13:31	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:13:09.318335 End time: 2026-03-05 03:13:30.664633
2026-03-05 03:13:31	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:13:31	INFO	tclean::::casa	##########################################
2026-03-05 03:13:31	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:13:31	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:13:31	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-03-05 03:13:31	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:13:31	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:13:31 2026******
2026-03-05 03:13:31	INFO	ImageFitter::fit+	
2026-03-05 03:13:31	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:13:31	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:13:31	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:13:31	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:13:31	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:13:31	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:13:31	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:13:31	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:13:31	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:13:31	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:13:31	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-03-05 03:13:31	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:13:31	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:13:31	INFO	imstat::::casa	##########################################
2026-03-05 03:13:31	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:13:31	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 )
2026-03-05 03:13:31	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:13:31	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:13:31	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:13:31	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:13:31	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:13:31	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-03-05 03:13:31	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:13:31	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:13:31	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:13:31	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:13:31	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:13:31	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:13:31	INFO	imstat::::	Values --- 
2026-03-05 03:13:31	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:13:31	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:13:31	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:13:31	INFO	imstat::::	         -- minimum value [min]:                    -7.77758e-05 Jy/beam
2026-03-05 03:13:31	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:13:31	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:13:31	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:13:31	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:13:31	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:13:31	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:13:31	INFO	imstat::::	Statistics --- 
2026-03-05 03:13:31	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:13:31	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:13:31	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:13:31	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:13:31	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86641e-05 Jy/beam
2026-03-05 03:13:31	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam
2026-03-05 03:13:31	INFO	imstat::::	        -- IQR [quartile]:                          3.56208e-05 Jy/beam
2026-03-05 03:13:31	INFO	imstat::::	        -- First quartile [q1]:                     -3.45075e-05 Jy/beam
2026-03-05 03:13:31	INFO	imstat::::	        -- Third quartile [q3]:                     1.11336e-06 Jy/beam
2026-03-05 03:13:31	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:13:31	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:13:31	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:13:31	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:13:31	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:13:31	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:13:31	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
2026-03-05 03:13:31	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:13:30.729278 End time: 2026-03-05 03:13:30.753803
2026-03-05 03:13:31	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:13:31	INFO	imstat::::casa	##########################################
2026-03-05 03:13:31	INFO	phaseshift::::casa	##########################################
2026-03-05 03:13:31	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:13:31	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 0.699877030rad' )
2026-03-05 03:13:31	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:13:31	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:13:31	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:13:31	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:13:31	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:13:31	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:13:31	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:13:31	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:13:31	INFO	MSTransformManager::open	Select data
2026-03-05 03:13:31	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:13:35	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:13:35	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 298.458333333deg 0.699877030rad' successfully parsed
2026-03-05 03:13:35	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:13:37	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:13:37	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:13:30.769157 End time: 2026-03-05 03:13:37.164441
2026-03-05 03:13:37	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:13:37	INFO	phaseshift::::casa	##########################################
2026-03-05 03:13:37	INFO	tclean::::casa	##########################################
2026-03-05 03:13:37	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:13:37	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 )
2026-03-05 03:13:37	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:13:37	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:13:37	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:13:37	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:13:37	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:13:37	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:13:37	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:13:37	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:13:37	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:13:37	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:13:37	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:13:37	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:13:39	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:13:39	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027737
2026-03-05 03:13:39	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:13:39	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:13:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:13:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:13:43	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:13:43	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:13:43	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:13:43	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:13:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:13:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:13:46	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:13:46	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:13:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:13:51	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:13:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:13:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:13:52	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:13:52	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:13:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:13:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:13:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:13:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:13:53	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:13:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:13:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:13:54	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:13:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:13:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:13:55	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:13:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:13:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:13:57	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:13:57	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:13:57	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:13:59	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:13:59	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:14:02	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:13:37.217354 End time: 2026-03-05 03:14:01.776153
2026-03-05 03:14:02	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:14:02	INFO	tclean::::casa	##########################################
2026-03-05 03:14:02	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:14:02	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:14:02	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)
2026-03-05 03:14:02	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:14:02	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:14:02 2026******
2026-03-05 03:14:02	INFO	ImageFitter::fit+	
2026-03-05 03:14:02	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:14:02	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:14:02	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:14:02	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:14:02	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:14:02	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:14:02	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:14:02	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:14:02	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:14:02	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:14:02	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)
2026-03-05 03:14:02	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116871 Jy
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126487 Jy
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000000 +/- 0.000127 pixels
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:14:02	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:14:02	INFO	imstat::::casa	##########################################
2026-03-05 03:14:02	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:14:02	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 )
2026-03-05 03:14:02	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:14:02	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:14:02	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:14:02	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:14:02	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:14:02	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-03-05 03:14:02	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:14:02	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:14:02	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:14:02	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:14:02	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:14:02	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:14:02	INFO	imstat::::	Values --- 
2026-03-05 03:14:02	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:14:02	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:14:02	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:14:02	INFO	imstat::::	         -- minimum value [min]:                    -7.77738e-05 Jy/beam
2026-03-05 03:14:02	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:14:02	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:14:02	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:14:02	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:14:02	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:14:02	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:14:02	INFO	imstat::::	Statistics --- 
2026-03-05 03:14:02	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:14:02	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:14:02	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:14:02	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:14:02	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86662e-05 Jy/beam
2026-03-05 03:14:02	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73577e-05 Jy/beam
2026-03-05 03:14:02	INFO	imstat::::	        -- IQR [quartile]:                          3.56242e-05 Jy/beam
2026-03-05 03:14:02	INFO	imstat::::	        -- First quartile [q1]:                     -3.45075e-05 Jy/beam
2026-03-05 03:14:02	INFO	imstat::::	        -- Third quartile [q3]:                     1.11673e-06 Jy/beam
2026-03-05 03:14:02	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:14:02	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:14:02	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:14:02	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:14:02	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:14:02	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:14:02	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
2026-03-05 03:14:02	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:14:01.851789 End time: 2026-03-05 03:14:01.877997
2026-03-05 03:14:02	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:14:02	INFO	imstat::::casa	##########################################
2026-03-05 03:14:02	INFO	phaseshift::::casa	##########################################
2026-03-05 03:14:02	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:14:02	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 40d06m00' )
2026-03-05 03:14:02	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:14:02	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:14:02	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:14:02	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:14:02	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:14:02	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:14:02	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:14:02	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:14:02	INFO	MSTransformManager::open	Select data
2026-03-05 03:14:02	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:14:07	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:14:07	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 5.209080597rad 40d06m00' successfully parsed
2026-03-05 03:14:07	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:14:08	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:14:08	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:14:01.894741 End time: 2026-03-05 03:14:08.112572
2026-03-05 03:14:08	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:14:08	INFO	phaseshift::::casa	##########################################
2026-03-05 03:14:08	INFO	tclean::::casa	##########################################
2026-03-05 03:14:08	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:14:08	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 )
2026-03-05 03:14:08	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:14:08	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:14:08	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:14:08	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:14:08	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:14:08	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:14:08	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:14:08	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:14:08	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:14:08	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:14:08	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:14:08	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:14:10	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:14:11	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.025423
2026-03-05 03:14:11	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:14:11	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:14:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:14:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:14:14	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:14:14	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:14:14	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:14:14	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:14:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:14:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:14:15	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:14:15	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:14:16	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:14:16	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:14:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:14:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:14:17	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:14:17	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:14:19	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:14:20	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:14:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:14:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:14:21	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:14:21	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:14:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:14:22	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:14:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:14:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:14:23	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:14:23	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:14:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:14:24	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:14:24	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:14:24	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:14:27	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:14:28	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:14:30	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:14:08.168172 End time: 2026-03-05 03:14:29.932738
2026-03-05 03:14:30	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:14:30	INFO	tclean::::casa	##########################################
2026-03-05 03:14:30	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:14:30	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:14:30	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)
2026-03-05 03:14:30	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:14:30	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:14:30 2026******
2026-03-05 03:14:30	INFO	ImageFitter::fit+	
2026-03-05 03:14:30	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:14:30	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:14:30	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:14:30	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:14:30	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:14:30	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:14:30	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:14:30	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:14:30	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:14:30	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:14:30	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)
2026-03-05 03:14:30	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116871 Jy
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126488 Jy
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:14:30	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:14:30	INFO	imstat::::casa	##########################################
2026-03-05 03:14:30	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:14:30	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 )
2026-03-05 03:14:30	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:14:30	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:14:30	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:14:30	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:14:30	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:14:30	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)
2026-03-05 03:14:30	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:14:30	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:14:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:14:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:14:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:14:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:14:30	INFO	imstat::::	Values --- 
2026-03-05 03:14:30	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:14:30	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:14:30	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:14:30	INFO	imstat::::	         -- minimum value [min]:                    -7.77801e-05 Jy/beam
2026-03-05 03:14:30	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:14:30	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-03-05 03:14:30	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:14:30	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-03-05 03:14:30	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:14:30	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:14:30	INFO	imstat::::	Statistics --- 
2026-03-05 03:14:30	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:14:30	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:14:30	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:14:30	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:14:30	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86723e-05 Jy/beam
2026-03-05 03:14:30	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam
2026-03-05 03:14:30	INFO	imstat::::	        -- IQR [quartile]:                          3.55964e-05 Jy/beam
2026-03-05 03:14:30	INFO	imstat::::	        -- First quartile [q1]:                     -3.45025e-05 Jy/beam
2026-03-05 03:14:30	INFO	imstat::::	        -- Third quartile [q3]:                     1.09391e-06 Jy/beam
2026-03-05 03:14:30	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:14:30	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:14:30	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:14:30	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:14:30	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:14:30	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:14:30	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
2026-03-05 03:14:30	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:14:30.010732 End time: 2026-03-05 03:14:30.047140
2026-03-05 03:14:30	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:14:30	INFO	imstat::::casa	##########################################
2026-03-05 03:14:30	INFO	phaseshift::::casa	##########################################
2026-03-05 03:14:30	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:14:30	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 5.209080597rad 02:40:24.0000' )
2026-03-05 03:14:30	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:14:30	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:14:30	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:14:30	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:14:30	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:14:30	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:14:30	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:14:30	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:14:30	INFO	MSTransformManager::open	Select data
2026-03-05 03:14:30	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:14:36	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 ".".
2026-03-05 03:14:36	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 5.209080597rad 02:40:24.0000' successfully parsed
2026-03-05 03:14:36	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:14:38	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:14:38	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:14:30.063106 End time: 2026-03-05 03:14:37.875368
2026-03-05 03:14:38	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:14:38	INFO	phaseshift::::casa	##########################################
2026-03-05 03:14:38	INFO	tclean::::casa	##########################################
2026-03-05 03:14:38	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:14:38	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 )
2026-03-05 03:14:38	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:14:38	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:14:38	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:14:38	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:14:38	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:14:38	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:14:38	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:14:38	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:14:38	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:14:38	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:14:38	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:14:38	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:14:40	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:14:40	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.020118
2026-03-05 03:14:40	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:14:40	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:14:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:14:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:14:43	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:14:43	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:14:43	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:14:43	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:14:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:14:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:14:44	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:14:44	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:14:47	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:14:47	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:14:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:14:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:14:47	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:14:47	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:14:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:14:49	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:14:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:14:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:14:50	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:14:50	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:14:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:14:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:14:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:14:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:14:54	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:14:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:14:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:14:55	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:14:55	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:14:55	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:14:57	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:14:57	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:15:00	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:14:37.926396 End time: 2026-03-05 03:14:59.734164
2026-03-05 03:15:00	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:15:00	INFO	tclean::::casa	##########################################
2026-03-05 03:15:00	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:15:00	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:15:00	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)
2026-03-05 03:15:00	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:15:00	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:15:00 2026******
2026-03-05 03:15:00	INFO	ImageFitter::fit+	
2026-03-05 03:15:00	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:15:00	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:15:00	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:15:00	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:15:00	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:15:00	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:15:00	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:15:00	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:15:00	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:15:00	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:15:00	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)
2026-03-05 03:15:00	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116871 Jy
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126488 Jy
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:15:00	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:15:00	INFO	imstat::::casa	##########################################
2026-03-05 03:15:00	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:15:00	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 )
2026-03-05 03:15:00	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:15:00	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:15:00	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:15:00	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:15:00	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:15:00	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)
2026-03-05 03:15:00	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:15:00	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:15:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:15:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:15:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:15:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:15:00	INFO	imstat::::	Values --- 
2026-03-05 03:15:00	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:15:00	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:15:00	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:15:00	INFO	imstat::::	         -- minimum value [min]:                    -7.77801e-05 Jy/beam
2026-03-05 03:15:00	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:15:00	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-03-05 03:15:00	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:15:00	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-03-05 03:15:00	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:15:00	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:15:00	INFO	imstat::::	Statistics --- 
2026-03-05 03:15:00	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:15:00	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:15:00	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:15:00	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:15:00	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86723e-05 Jy/beam
2026-03-05 03:15:00	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam
2026-03-05 03:15:00	INFO	imstat::::	        -- IQR [quartile]:                          3.55964e-05 Jy/beam
2026-03-05 03:15:00	INFO	imstat::::	        -- First quartile [q1]:                     -3.45025e-05 Jy/beam
2026-03-05 03:15:00	INFO	imstat::::	        -- Third quartile [q3]:                     1.09391e-06 Jy/beam
2026-03-05 03:15:00	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:15:00	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:15:00	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:15:00	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:15:00	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:15:00	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:15:00	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.778010e-05  4.999996e+00
2026-03-05 03:15:00	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:14:59.816471 End time: 2026-03-05 03:14:59.844955
2026-03-05 03:15:00	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:15:00	INFO	imstat::::casa	##########################################
2026-03-05 03:15:00	INFO	phaseshift::::casa	##########################################
2026-03-05 03:15:00	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:15:00	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 40.100000000deg' )
2026-03-05 03:15:00	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:15:00	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:15:00	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:15:00	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:15:00	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:15:00	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:15:00	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:15:00	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:15:00	INFO	MSTransformManager::open	Select data
2026-03-05 03:15:00	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:15:05	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:15:05	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 5.209080597rad 40.100000000deg' successfully parsed
2026-03-05 03:15:05	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:15:08	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:15:08	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:14:59.862963 End time: 2026-03-05 03:15:08.127546
2026-03-05 03:15:08	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:15:08	INFO	phaseshift::::casa	##########################################
2026-03-05 03:15:08	INFO	tclean::::casa	##########################################
2026-03-05 03:15:08	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:15:08	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 )
2026-03-05 03:15:08	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:15:08	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:15:08	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:15:08	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:15:08	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:15:08	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:15:08	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:15:08	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:15:08	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:15:08	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:15:08	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:15:08	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:15:10	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:15:10	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.0256
2026-03-05 03:15:10	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:15:10	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:15:11	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:15:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:15:14	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:15:14	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:15:14	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:15:14	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:15:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:15:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:15:15	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:15:15	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:15:17	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:15:17	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:15:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:15:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:15:18	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:15:18	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:15:19	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:15:19	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:15:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:15:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:15:20	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:15:20	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:15:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:15:21	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:15:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:15:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:15:23	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:15:23	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:15:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:15:26	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:15:26	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:15:26	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:15:29	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:15:29	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:15:33	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:15:08.183063 End time: 2026-03-05 03:15:33.326029
2026-03-05 03:15:33	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:15:33	INFO	tclean::::casa	##########################################
2026-03-05 03:15:33	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:15:33	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:15:33	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)
2026-03-05 03:15:33	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:15:33	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:15:33 2026******
2026-03-05 03:15:33	INFO	ImageFitter::fit+	
2026-03-05 03:15:33	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:15:33	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:15:33	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:15:33	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:15:33	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:15:33	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:15:33	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:15:33	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:15:33	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:15:33	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:15:33	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)
2026-03-05 03:15:33	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116871 Jy
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126488 Jy
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000001 +/- 0.000777 arcsec
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000000 +/- 0.000097 pixels
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:15:33	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:15:33	INFO	imstat::::casa	##########################################
2026-03-05 03:15:33	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:15:33	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 )
2026-03-05 03:15:33	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:15:33	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:15:33	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:15:33	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:15:33	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:15:33	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)
2026-03-05 03:15:33	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:15:33	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:15:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:15:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:15:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:15:33	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:15:33	INFO	imstat::::	Values --- 
2026-03-05 03:15:33	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:15:33	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:15:33	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:15:33	INFO	imstat::::	         -- minimum value [min]:                    -7.77801e-05 Jy/beam
2026-03-05 03:15:33	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:15:33	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-03-05 03:15:33	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:15:33	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-03-05 03:15:33	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:15:33	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:15:33	INFO	imstat::::	Statistics --- 
2026-03-05 03:15:33	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:15:33	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:15:33	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:15:33	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:15:33	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86723e-05 Jy/beam
2026-03-05 03:15:33	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam
2026-03-05 03:15:33	INFO	imstat::::	        -- IQR [quartile]:                          3.55964e-05 Jy/beam
2026-03-05 03:15:33	INFO	imstat::::	        -- First quartile [q1]:                     -3.45025e-05 Jy/beam
2026-03-05 03:15:33	INFO	imstat::::	        -- Third quartile [q3]:                     1.09391e-06 Jy/beam
2026-03-05 03:15:33	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:15:33	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:15:33	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:15:33	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:15:33	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:15:33	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:15:33	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
2026-03-05 03:15:33	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:15:33.401360 End time: 2026-03-05 03:15:33.427389
2026-03-05 03:15:33	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:15:33	INFO	imstat::::casa	##########################################
2026-03-05 03:15:33	INFO	phaseshift::::casa	##########################################
2026-03-05 03:15:33	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:15:33	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 0.699877030rad' )
2026-03-05 03:15:33	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:15:33	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:15:33	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:15:33	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:15:33	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:15:33	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:15:33	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:15:33	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:15:33	INFO	MSTransformManager::open	Select data
2026-03-05 03:15:33	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:15:41	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:15:41	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'J2000 5.209080597rad 0.699877030rad' successfully parsed
2026-03-05 03:15:41	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:15:42	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:15:42	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:15:33.443534 End time: 2026-03-05 03:15:42.239553
2026-03-05 03:15:42	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:15:42	INFO	phaseshift::::casa	##########################################
2026-03-05 03:15:42	INFO	tclean::::casa	##########################################
2026-03-05 03:15:42	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:15:42	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 )
2026-03-05 03:15:42	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:15:42	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:15:42	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:15:42	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:15:42	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:15:42	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:15:42	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:15:42	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:15:42	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:15:42	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:15:42	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:15:42	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:15:46	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:15:46	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.023619
2026-03-05 03:15:46	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:15:46	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:15:47	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:15:48	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:15:49	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:15:49	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:15:49	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:15:49	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:15:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:15:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:15:50	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:15:50	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:15:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:15:51	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:15:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:15:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:15:52	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:15:52	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:15:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:15:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:15:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:15:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:15:54	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:15:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:15:56	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:15:56	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:15:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:15:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:15:56	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:15:56	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:15:58	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:15:58	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:15:58	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:15:58	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:16:00	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:16:01	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:16:04	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:15:42.291501 End time: 2026-03-05 03:16:03.641585
2026-03-05 03:16:04	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:16:04	INFO	tclean::::casa	##########################################
2026-03-05 03:16:04	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:16:04	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:16:04	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)
2026-03-05 03:16:04	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:16:04	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:16:04 2026******
2026-03-05 03:16:04	INFO	ImageFitter::fit+	
2026-03-05 03:16:04	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:16:04	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:16:04	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:16:04	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:16:04	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:16:04	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:16:04	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:16:04	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:16:04	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:16:04	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:16:04	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)
2026-03-05 03:16:04	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126484 Jy
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:16:04	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:16:04	INFO	imstat::::casa	##########################################
2026-03-05 03:16:04	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:16:04	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 )
2026-03-05 03:16:04	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:16:04	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:16:04	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:16:04	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:16:04	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:16:04	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)
2026-03-05 03:16:04	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:16:04	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:16:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:16:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:16:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:16:04	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:16:04	INFO	imstat::::	Values --- 
2026-03-05 03:16:04	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:16:04	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:16:04	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:16:04	INFO	imstat::::	         -- minimum value [min]:                    -7.77793e-05 Jy/beam
2026-03-05 03:16:04	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:16:04	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-03-05 03:16:04	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:16:04	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-03-05 03:16:04	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:16:04	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:16:04	INFO	imstat::::	Statistics --- 
2026-03-05 03:16:04	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:16:04	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:16:04	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:16:04	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:16:04	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86714e-05 Jy/beam
2026-03-05 03:16:04	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73592e-05 Jy/beam
2026-03-05 03:16:04	INFO	imstat::::	        -- IQR [quartile]:                          3.55982e-05 Jy/beam
2026-03-05 03:16:04	INFO	imstat::::	        -- First quartile [q1]:                     -3.45035e-05 Jy/beam
2026-03-05 03:16:04	INFO	imstat::::	        -- Third quartile [q3]:                     1.09469e-06 Jy/beam
2026-03-05 03:16:04	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:16:04	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:16:04	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:16:04	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:16:04	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:16:04	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:16:04	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
2026-03-05 03:16:04	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:16:03.717858 End time: 2026-03-05 03:16:03.756882
2026-03-05 03:16:04	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:16:04	INFO	imstat::::casa	##########################################
2026-03-05 03:16:04	INFO	phaseshift::::casa	##########################################
2026-03-05 03:16:04	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:16:04	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19h53m49.9980 40d06m0.0019' )
2026-03-05 03:16:04	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:16:04	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:16:04	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:16:04	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:16:04	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:16:04	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:16:04	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:16:04	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:16:04	INFO	MSTransformManager::open	Select data
2026-03-05 03:16:04	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:16:11	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:16:11	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19h53m49.9980 40d06m0.0019' successfully parsed
2026-03-05 03:16:11	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:16:13	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:16:13	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:16:03.773152 End time: 2026-03-05 03:16:12.873067
2026-03-05 03:16:13	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:16:13	INFO	phaseshift::::casa	##########################################
2026-03-05 03:16:13	INFO	tclean::::casa	##########################################
2026-03-05 03:16:13	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:16:13	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 )
2026-03-05 03:16:13	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:16:13	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:16:13	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:16:13	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:16:13	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:16:13	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:16:13	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:16:13	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:16:13	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:16:13	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:16:13	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:16:13	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:16:16	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:16:16	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027551
2026-03-05 03:16:16	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:16:16	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:16:17	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:16:18	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:16:19	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:16:20	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:16:20	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:16:20	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:16:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:16:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:16:21	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:16:21	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:16:23	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:16:23	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:16:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:16:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:16:23	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:16:23	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:16:25	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:16:25	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:16:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:16:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:16:26	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:16:26	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:16:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:16:27	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:16:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:16:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:16:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:16:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:16:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:16:30	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:16:30	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:16:30	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:16:32	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:16:33	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:16:36	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:16:12.932502 End time: 2026-03-05 03:16:36.103029
2026-03-05 03:16:36	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:16:36	INFO	tclean::::casa	##########################################
2026-03-05 03:16:36	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:16:36	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:16:36	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)
2026-03-05 03:16:36	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:16:36	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:16:36 2026******
2026-03-05 03:16:36	INFO	ImageFitter::fit+	
2026-03-05 03:16:36	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:16:36	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:16:36	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:16:36	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:16:36	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:16:36	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:16:36	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:16:36	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:16:36	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:16:36	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:16:36	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)
2026-03-05 03:16:36	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012649 Jy
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:16:36	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:16:36	INFO	imstat::::casa	##########################################
2026-03-05 03:16:36	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:16:36	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 )
2026-03-05 03:16:36	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:16:36	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:16:36	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:16:36	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:16:36	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:16:36	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)
2026-03-05 03:16:36	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:16:36	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:16:36	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:16:36	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:16:36	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:16:36	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:16:36	INFO	imstat::::	Values --- 
2026-03-05 03:16:36	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:16:36	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:16:36	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:16:36	INFO	imstat::::	         -- minimum value [min]:                    -7.77954e-05 Jy/beam
2026-03-05 03:16:36	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:16:36	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:16:36	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:16:36	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-03-05 03:16:36	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:16:36	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:16:36	INFO	imstat::::	Statistics --- 
2026-03-05 03:16:36	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:16:36	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:16:36	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:16:36	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:16:36	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86712e-05 Jy/beam
2026-03-05 03:16:36	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam
2026-03-05 03:16:36	INFO	imstat::::	        -- IQR [quartile]:                          3.56293e-05 Jy/beam
2026-03-05 03:16:36	INFO	imstat::::	        -- First quartile [q1]:                     -3.45095e-05 Jy/beam
2026-03-05 03:16:36	INFO	imstat::::	        -- Third quartile [q3]:                     1.1198e-06 Jy/beam
2026-03-05 03:16:36	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:16:36	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:16:36	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:16:36	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:16:36	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:16:36	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:16:36	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
2026-03-05 03:16:36	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:16:36.168204 End time: 2026-03-05 03:16:36.192884
2026-03-05 03:16:36	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:16:36	INFO	imstat::::casa	##########################################
2026-03-05 03:16:36	INFO	phaseshift::::casa	##########################################
2026-03-05 03:16:36	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:16:36	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19h53m49.9980 02:40:24.0001' )
2026-03-05 03:16:36	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:16:36	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:16:36	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:16:36	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:16:36	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:16:36	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:16:36	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:16:36	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:16:36	INFO	MSTransformManager::open	Select data
2026-03-05 03:16:36	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:16:44	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "02:40:24.0001" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-03-05 03:16:44	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19h53m49.9980 02:40:24.0001' successfully parsed
2026-03-05 03:16:44	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:16:47	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:16:47	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:16:36.208374 End time: 2026-03-05 03:16:47.378657
2026-03-05 03:16:47	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:16:47	INFO	phaseshift::::casa	##########################################
2026-03-05 03:16:47	INFO	tclean::::casa	##########################################
2026-03-05 03:16:47	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:16:47	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 )
2026-03-05 03:16:47	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:16:47	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:16:47	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:16:48	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:16:48	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:16:48	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:16:48	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:16:48	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:16:48	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:16:48	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:16:48	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:16:48	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:16:49	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:16:49	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027357
2026-03-05 03:16:49	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:16:50	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:16:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:16:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:16:55	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:16:55	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:16:55	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:16:55	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:16:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:16:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:16:56	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:16:56	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:16:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:16:57	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:16:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:16:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:16:58	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:16:58	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:17:00	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:17:00	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:17:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:17:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:17:01	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:17:01	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:17:02	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:17:02	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:17:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:17:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:17:03	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:17:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:17:05	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:17:05	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:17:05	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:17:05	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:17:07	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:17:08	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:17:10	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:16:47.434750 End time: 2026-03-05 03:17:10.063368
2026-03-05 03:17:10	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:17:10	INFO	tclean::::casa	##########################################
2026-03-05 03:17:10	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:17:10	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:17:10	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-03-05 03:17:10	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:17:10	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:17:10 2026******
2026-03-05 03:17:10	INFO	ImageFitter::fit+	
2026-03-05 03:17:10	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:17:10	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:17:10	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:17:10	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:17:10	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:17:10	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:17:10	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:17:10	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:17:10	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:17:10	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:17:10	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)
2026-03-05 03:17:10	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116891 Jy
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126504 Jy
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999957 +/- 0.000777 arcsec
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000047 +/- 0.000097 pixels
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:17:10	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:17:10	INFO	imstat::::casa	##########################################
2026-03-05 03:17:10	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:17:10	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-03-05 03:17:10	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:17:10	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:17:10	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:17:10	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:17:10	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:17:10	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-03-05 03:17:10	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:17:10	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:17:10	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:17:10	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:17:10	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:17:10	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:17:10	INFO	imstat::::	Values --- 
2026-03-05 03:17:10	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:17:10	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:17:10	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:17:10	INFO	imstat::::	         -- minimum value [min]:                    -7.78094e-05 Jy/beam
2026-03-05 03:17:10	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:17:10	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-03-05 03:17:10	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:17:10	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz
2026-03-05 03:17:10	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:17:10	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:17:10	INFO	imstat::::	Statistics --- 
2026-03-05 03:17:10	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:17:10	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:17:10	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:17:10	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:17:10	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86846e-05 Jy/beam
2026-03-05 03:17:10	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam
2026-03-05 03:17:10	INFO	imstat::::	        -- IQR [quartile]:                          3.56505e-05 Jy/beam
2026-03-05 03:17:10	INFO	imstat::::	        -- First quartile [q1]:                     -3.45202e-05 Jy/beam
2026-03-05 03:17:10	INFO	imstat::::	        -- Third quartile [q3]:                     1.13024e-06 Jy/beam
2026-03-05 03:17:10	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:17:10	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:17:10	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:17:10	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:17:10	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:17:10	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:17:10	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
2026-03-05 03:17:10	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:17:10.145926 End time: 2026-03-05 03:17:10.175055
2026-03-05 03:17:10	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:17:10	INFO	imstat::::casa	##########################################
2026-03-05 03:17:10	INFO	phaseshift::::casa	##########################################
2026-03-05 03:17:10	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:17:10	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19h53m49.9980 40.100000528deg' )
2026-03-05 03:17:10	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:17:10	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:17:10	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:17:10	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:17:10	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:17:10	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:17:10	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:17:10	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:17:10	INFO	MSTransformManager::open	Select data
2026-03-05 03:17:10	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:17:16	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:17:16	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19h53m49.9980 40.100000528deg' successfully parsed
2026-03-05 03:17:16	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:17:18	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:17:18	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:17:10.192746 End time: 2026-03-05 03:17:18.330565
2026-03-05 03:17:18	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:17:18	INFO	phaseshift::::casa	##########################################
2026-03-05 03:17:18	INFO	tclean::::casa	##########################################
2026-03-05 03:17:18	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:17:18	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 )
2026-03-05 03:17:18	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:17:18	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:17:18	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:17:19	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:17:19	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:17:19	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:17:19	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:17:19	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:17:19	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:17:19	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:17:19	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:17:19	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:17:21	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:17:21	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027479
2026-03-05 03:17:21	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:17:21	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:17:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:17:28	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:17:29	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:17:29	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:17:29	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:17:29	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:17:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:17:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:17:32	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:17:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:17:35	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:17:35	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:17:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:17:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:17:35	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:17:35	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:17:37	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:17:37	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:17:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:17:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:17:39	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:17:39	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:17:41	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:17:41	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:17:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:17:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:17:42	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:17:42	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:17:43	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:17:43	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:17:43	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:17:43	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:17:45	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:17:45	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:17:47	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:17:18.389418 End time: 2026-03-05 03:17:47.324509
2026-03-05 03:17:47	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:17:47	INFO	tclean::::casa	##########################################
2026-03-05 03:17:47	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:17:47	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:17:47	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-03-05 03:17:47	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:17:47	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:17:47 2026******
2026-03-05 03:17:47	INFO	ImageFitter::fit+	
2026-03-05 03:17:47	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:17:47	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:17:47	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:17:47	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:17:47	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:17:47	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:17:47	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:17:47	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:17:47	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:17:47	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:17:47	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-03-05 03:17:47	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116876 Jy
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:17:47	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:17:47	INFO	imstat::::casa	##########################################
2026-03-05 03:17:47	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:17:47	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-03-05 03:17:47	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:17:47	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:17:47	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:17:47	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:17:47	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:17:47	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-03-05 03:17:47	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:17:47	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:17:47	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:17:47	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:17:47	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:17:47	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:17:47	INFO	imstat::::	Values --- 
2026-03-05 03:17:47	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:17:47	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:17:47	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:17:47	INFO	imstat::::	         -- minimum value [min]:                    -7.77954e-05 Jy/beam
2026-03-05 03:17:47	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:17:47	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:17:47	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:17:47	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-03-05 03:17:47	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:17:47	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:17:47	INFO	imstat::::	Statistics --- 
2026-03-05 03:17:47	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:17:47	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:17:47	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:17:47	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:17:47	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86722e-05 Jy/beam
2026-03-05 03:17:47	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam
2026-03-05 03:17:47	INFO	imstat::::	        -- IQR [quartile]:                          3.56311e-05 Jy/beam
2026-03-05 03:17:47	INFO	imstat::::	        -- First quartile [q1]:                     -3.45119e-05 Jy/beam
2026-03-05 03:17:47	INFO	imstat::::	        -- Third quartile [q3]:                     1.11928e-06 Jy/beam
2026-03-05 03:17:47	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:17:47	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:17:47	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:17:47	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:17:47	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:17:47	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:17:47	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
2026-03-05 03:17:47	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:17:47.396570 End time: 2026-03-05 03:17:47.422740
2026-03-05 03:17:47	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:17:47	INFO	imstat::::casa	##########################################
2026-03-05 03:17:47	INFO	phaseshift::::casa	##########################################
2026-03-05 03:17:47	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:17:47	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19h53m49.9980 0.699877039rad' )
2026-03-05 03:17:47	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:17:47	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:17:47	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:17:47	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:17:47	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:17:47	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:17:47	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:17:47	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:17:47	INFO	MSTransformManager::open	Select data
2026-03-05 03:17:47	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:17:53	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:17:53	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19h53m49.9980 0.699877039rad' successfully parsed
2026-03-05 03:17:53	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:17:55	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:17:55	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:17:47.439054 End time: 2026-03-05 03:17:55.161391
2026-03-05 03:17:55	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:17:55	INFO	phaseshift::::casa	##########################################
2026-03-05 03:17:55	INFO	tclean::::casa	##########################################
2026-03-05 03:17:55	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:17:55	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-03-05 03:17:55	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:17:55	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:17:55	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:17:55	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:17:55	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:17:55	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:17:55	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:17:55	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:17:55	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:17:55	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:17:55	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:17:55	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:17:58	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:17:58	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027659
2026-03-05 03:17:58	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:17:58	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:18:00	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:18:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:18:02	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:18:02	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:18:02	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:18:02	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:18:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:18:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:18:04	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:18:04	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:18:05	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:18:05	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:18:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:18:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:18:06	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:18:06	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:18:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:18:08	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:18:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:18:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:18:08	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:18:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:18:10	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:18:10	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:18:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:18:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:18:11	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:18:11	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:18:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:18:13	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:18:13	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:18:13	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:18:14	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:18:15	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:18:17	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:17:55.220531 End time: 2026-03-05 03:18:16.930394
2026-03-05 03:18:17	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:18:17	INFO	tclean::::casa	##########################################
2026-03-05 03:18:17	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:18:17	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:18:17	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)
2026-03-05 03:18:17	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:18:17	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:18:17 2026******
2026-03-05 03:18:17	INFO	ImageFitter::fit+	
2026-03-05 03:18:17	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:18:17	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:18:17	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:18:17	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:18:17	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:18:17	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:18:17	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:18:17	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:18:17	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:18:17	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:18:17	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)
2026-03-05 03:18:17	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012649 Jy
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999992 +/- 0.000777 arcsec
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000009 +/- 0.000097 pixels
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:18:17	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:18:17	INFO	imstat::::casa	##########################################
2026-03-05 03:18:17	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:18:17	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 )
2026-03-05 03:18:17	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:18:17	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:18:17	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:18:17	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:18:17	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:18:17	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)
2026-03-05 03:18:17	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:18:17	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:18:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:18:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:18:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:18:17	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:18:17	INFO	imstat::::	Values --- 
2026-03-05 03:18:17	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:18:17	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:18:17	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:18:17	INFO	imstat::::	         -- minimum value [min]:                    -7.77867e-05 Jy/beam
2026-03-05 03:18:17	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:18:17	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:18:17	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:18:17	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-03-05 03:18:17	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:18:17	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:18:17	INFO	imstat::::	Statistics --- 
2026-03-05 03:18:17	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:18:17	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:18:17	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:18:17	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:18:17	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86761e-05 Jy/beam
2026-03-05 03:18:17	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam
2026-03-05 03:18:17	INFO	imstat::::	        -- IQR [quartile]:                          3.56319e-05 Jy/beam
2026-03-05 03:18:17	INFO	imstat::::	        -- First quartile [q1]:                     -3.45153e-05 Jy/beam
2026-03-05 03:18:17	INFO	imstat::::	        -- Third quartile [q3]:                     1.11659e-06 Jy/beam
2026-03-05 03:18:17	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:18:17	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:18:17	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:18:17	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:18:17	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:18:17	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:18:17	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
2026-03-05 03:18:17	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:18:17.004643 End time: 2026-03-05 03:18:17.031018
2026-03-05 03:18:17	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:18:17	INFO	imstat::::casa	##########################################
2026-03-05 03:18:17	INFO	phaseshift::::casa	##########################################
2026-03-05 03:18:17	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:18:17	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 40d06m0.0019' )
2026-03-05 03:18:17	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:18:17	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:18:17	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:18:17	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:18:17	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:18:17	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:18:17	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:18:17	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:18:17	INFO	MSTransformManager::open	Select data
2026-03-05 03:18:17	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:18:21	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:18:21	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19:53:49.9980 40d06m0.0019' successfully parsed
2026-03-05 03:18:21	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:18:23	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:18:23	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:18:17.047698 End time: 2026-03-05 03:18:22.925891
2026-03-05 03:18:23	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:18:23	INFO	phaseshift::::casa	##########################################
2026-03-05 03:18:23	INFO	tclean::::casa	##########################################
2026-03-05 03:18:23	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:18:23	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 )
2026-03-05 03:18:23	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:18:23	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:18:23	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:18:23	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:18:23	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:18:23	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:18:23	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:18:23	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:18:23	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:18:23	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:18:23	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:18:23	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:18:26	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:18:26	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027173
2026-03-05 03:18:26	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:18:26	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:18:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:18:28	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:18:29	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:18:29	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:18:29	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:18:29	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:18:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:18:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:18:32	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:18:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:18:33	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:18:33	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:18:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:18:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:18:33	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:18:33	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:18:35	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:18:35	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:18:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:18:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:18:36	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:18:36	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:18:37	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:18:37	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:18:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:18:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:18:38	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:18:38	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:18:40	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:18:40	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:18:40	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:18:40	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:18:42	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:18:42	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:18:45	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:18:22.985645 End time: 2026-03-05 03:18:45.238747
2026-03-05 03:18:45	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:18:45	INFO	tclean::::casa	##########################################
2026-03-05 03:18:45	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:18:45	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:18:45	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-03-05 03:18:45	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:18:45	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:18:45 2026******
2026-03-05 03:18:45	INFO	ImageFitter::fit+	
2026-03-05 03:18:45	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:18:45	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:18:45	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:18:45	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:18:45	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:18:45	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:18:45	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:18:45	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:18:45	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:18:45	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:18:45	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-03-05 03:18:45	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012649 Jy
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:18:45	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:18:45	INFO	imstat::::casa	##########################################
2026-03-05 03:18:45	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:18:45	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-03-05 03:18:45	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:18:45	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:18:45	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:18:45	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:18:45	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:18:45	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-03-05 03:18:45	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:18:45	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:18:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:18:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:18:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:18:45	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:18:45	INFO	imstat::::	Values --- 
2026-03-05 03:18:45	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:18:45	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:18:45	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:18:45	INFO	imstat::::	         -- minimum value [min]:                    -7.77954e-05 Jy/beam
2026-03-05 03:18:45	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:18:45	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:18:45	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:18:45	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-03-05 03:18:45	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:18:45	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:18:45	INFO	imstat::::	Statistics --- 
2026-03-05 03:18:45	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:18:45	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:18:45	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:18:45	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:18:45	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86712e-05 Jy/beam
2026-03-05 03:18:45	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam
2026-03-05 03:18:45	INFO	imstat::::	        -- IQR [quartile]:                          3.56293e-05 Jy/beam
2026-03-05 03:18:45	INFO	imstat::::	        -- First quartile [q1]:                     -3.45095e-05 Jy/beam
2026-03-05 03:18:45	INFO	imstat::::	        -- Third quartile [q3]:                     1.1198e-06 Jy/beam
2026-03-05 03:18:45	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:18:45	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:18:45	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:18:45	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:18:45	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:18:45	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:18:45	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
2026-03-05 03:18:45	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:18:45.320033 End time: 2026-03-05 03:18:45.349165
2026-03-05 03:18:45	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:18:45	INFO	imstat::::casa	##########################################
2026-03-05 03:18:45	INFO	phaseshift::::casa	##########################################
2026-03-05 03:18:45	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:18:45	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 02:40:24.0001' )
2026-03-05 03:18:45	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:18:45	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:18:45	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:18:45	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:18:45	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:18:45	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:18:45	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:18:45	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:18:45	INFO	MSTransformManager::open	Select data
2026-03-05 03:18:45	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:18:50	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 ".".
2026-03-05 03:18:50	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19:53:49.9980 02:40:24.0001' successfully parsed
2026-03-05 03:18:50	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:18:51	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:18:51	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:18:45.367068 End time: 2026-03-05 03:18:51.345189
2026-03-05 03:18:51	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:18:51	INFO	phaseshift::::casa	##########################################
2026-03-05 03:18:51	INFO	tclean::::casa	##########################################
2026-03-05 03:18:51	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:18:51	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 )
2026-03-05 03:18:51	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:18:51	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:18:51	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:18:52	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:18:52	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:18:52	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:18:52	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:18:52	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:18:52	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:18:52	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:18:52	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:18:52	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:18:54	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:18:54	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027475
2026-03-05 03:18:54	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:18:54	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:18:56	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:18:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:18:58	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:18:58	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:18:58	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:18:58	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:18:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:19:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:19:00	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:19:00	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:19:04	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:19:04	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:19:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:19:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:19:05	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:19:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:19:07	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:19:07	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:19:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:19:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:19:08	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:19:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:19:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:19:11	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:19:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:19:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:19:12	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:19:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:19:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:19:15	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:19:15	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:19:15	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:19:18	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:19:19	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:19:23	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:18:51.404888 End time: 2026-03-05 03:19:22.889321
2026-03-05 03:19:23	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:19:23	INFO	tclean::::casa	##########################################
2026-03-05 03:19:23	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:19:23	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:19:23	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)
2026-03-05 03:19:23	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:19:23	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:19:23 2026******
2026-03-05 03:19:23	INFO	ImageFitter::fit+	
2026-03-05 03:19:23	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:19:23	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:19:23	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:19:23	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:19:23	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:19:23	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:19:23	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:19:23	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:19:23	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:19:23	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:19:23	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)
2026-03-05 03:19:23	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116891 Jy
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126504 Jy
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999957 +/- 0.000777 arcsec
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000047 +/- 0.000097 pixels
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:19:23	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:19:23	INFO	imstat::::casa	##########################################
2026-03-05 03:19:23	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:19:23	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 )
2026-03-05 03:19:23	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:19:23	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:19:23	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:19:23	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:19:23	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:19:23	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-03-05 03:19:23	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:19:23	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:19:23	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:19:23	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:19:23	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:19:23	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:19:23	INFO	imstat::::	Values --- 
2026-03-05 03:19:23	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:19:23	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:19:23	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:19:23	INFO	imstat::::	         -- minimum value [min]:                    -7.78094e-05 Jy/beam
2026-03-05 03:19:23	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:19:23	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-03-05 03:19:23	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:19:23	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz
2026-03-05 03:19:23	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:19:23	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:19:23	INFO	imstat::::	Statistics --- 
2026-03-05 03:19:23	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:19:23	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:19:23	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:19:23	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:19:23	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86846e-05 Jy/beam
2026-03-05 03:19:23	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam
2026-03-05 03:19:23	INFO	imstat::::	        -- IQR [quartile]:                          3.56505e-05 Jy/beam
2026-03-05 03:19:23	INFO	imstat::::	        -- First quartile [q1]:                     -3.45202e-05 Jy/beam
2026-03-05 03:19:23	INFO	imstat::::	        -- Third quartile [q3]:                     1.13024e-06 Jy/beam
2026-03-05 03:19:23	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:19:23	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:19:23	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:19:23	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:19:23	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:19:23	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:19:23	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
2026-03-05 03:19:23	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:19:22.953887 End time: 2026-03-05 03:19:22.978442
2026-03-05 03:19:23	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:19:23	INFO	imstat::::casa	##########################################
2026-03-05 03:19:23	INFO	phaseshift::::casa	##########################################
2026-03-05 03:19:23	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:19:23	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 40.100000528deg' )
2026-03-05 03:19:23	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:19:23	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:19:23	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:19:23	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:19:23	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:19:23	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:19:23	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:19:23	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:19:23	INFO	MSTransformManager::open	Select data
2026-03-05 03:19:23	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:19:34	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:19:34	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19:53:49.9980 40.100000528deg' successfully parsed
2026-03-05 03:19:34	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:19:37	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:19:37	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:19:22.993895 End time: 2026-03-05 03:19:37.473408
2026-03-05 03:19:37	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:19:37	INFO	phaseshift::::casa	##########################################
2026-03-05 03:19:38	INFO	tclean::::casa	##########################################
2026-03-05 03:19:38	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:19:38	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 )
2026-03-05 03:19:38	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:19:38	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:19:38	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:19:38	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:19:38	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:19:38	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:19:38	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:19:38	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:19:38	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:19:38	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:19:38	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:19:38	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:19:42	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:19:42	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.02777
2026-03-05 03:19:42	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:19:42	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:19:44	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:19:46	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:19:48	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:19:48	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:19:48	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:19:48	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:19:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:19:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:19:51	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:19:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:19:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:19:54	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:19:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:19:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:19:56	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:19:56	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:19:58	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:19:58	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:19:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:19:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:19:59	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:19:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:20:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:20:01	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:20:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:20:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:20:03	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:20:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:20:04	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:20:04	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:20:04	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:20:04	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:20:04	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:20:05	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:20:06	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:19:37.529580 End time: 2026-03-05 03:20:05.826568
2026-03-05 03:20:06	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:20:06	INFO	tclean::::casa	##########################################
2026-03-05 03:20:06	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:20:06	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:20:06	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)
2026-03-05 03:20:06	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:20:06	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:20:06 2026******
2026-03-05 03:20:06	INFO	ImageFitter::fit+	
2026-03-05 03:20:06	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:20:06	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:20:06	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:20:06	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:20:06	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:20:06	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:20:06	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:20:06	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:20:06	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:20:06	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:20:06	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)
2026-03-05 03:20:06	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116876 Jy
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:20:06	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:20:06	INFO	imstat::::casa	##########################################
2026-03-05 03:20:06	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:20:06	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 )
2026-03-05 03:20:06	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:20:06	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:20:06	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:20:06	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:20:06	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:20:06	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)
2026-03-05 03:20:06	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:20:06	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:20:06	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:20:06	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:20:06	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:20:06	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:20:06	INFO	imstat::::	Values --- 
2026-03-05 03:20:06	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:20:06	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:20:06	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:20:06	INFO	imstat::::	         -- minimum value [min]:                    -7.77954e-05 Jy/beam
2026-03-05 03:20:06	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:20:06	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:20:06	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:20:06	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-03-05 03:20:06	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:20:06	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:20:06	INFO	imstat::::	Statistics --- 
2026-03-05 03:20:06	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:20:06	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:20:06	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:20:06	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:20:06	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86722e-05 Jy/beam
2026-03-05 03:20:06	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam
2026-03-05 03:20:06	INFO	imstat::::	        -- IQR [quartile]:                          3.56311e-05 Jy/beam
2026-03-05 03:20:06	INFO	imstat::::	        -- First quartile [q1]:                     -3.45119e-05 Jy/beam
2026-03-05 03:20:06	INFO	imstat::::	        -- Third quartile [q3]:                     1.11928e-06 Jy/beam
2026-03-05 03:20:06	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:20:06	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:20:06	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:20:06	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:20:06	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:20:06	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:20:06	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
2026-03-05 03:20:06	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:20:05.902328 End time: 2026-03-05 03:20:05.929410
2026-03-05 03:20:06	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:20:06	INFO	imstat::::casa	##########################################
2026-03-05 03:20:06	INFO	phaseshift::::casa	##########################################
2026-03-05 03:20:06	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:20:06	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 0.699877039rad' )
2026-03-05 03:20:06	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:20:06	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:20:06	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:20:06	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:20:06	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:20:06	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:20:06	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:20:06	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:20:06	INFO	MSTransformManager::open	Select data
2026-03-05 03:20:06	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:20:09	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:20:09	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 19:53:49.9980 0.699877039rad' successfully parsed
2026-03-05 03:20:09	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:20:10	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:20:10	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:20:05.946199 End time: 2026-03-05 03:20:09.923091
2026-03-05 03:20:10	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:20:10	INFO	phaseshift::::casa	##########################################
2026-03-05 03:20:10	INFO	tclean::::casa	##########################################
2026-03-05 03:20:10	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:20:10	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 )
2026-03-05 03:20:10	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:20:10	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:20:10	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:20:10	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:20:10	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:20:10	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:20:10	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:20:10	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:20:10	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:20:10	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:20:10	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:20:10	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:20:12	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:20:12	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027217
2026-03-05 03:20:12	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:20:12	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:20:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:20:16	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:20:19	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:20:19	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:20:19	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:20:19	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:20:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:20:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:20:21	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:20:21	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:20:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:20:22	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:20:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:20:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:20:23	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:20:23	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:20:25	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:20:25	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:20:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:20:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:20:27	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:20:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:20:32	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:20:32	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:20:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:20:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:20:33	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:20:33	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:20:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:20:36	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:20:36	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:20:36	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:20:38	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:20:39	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:20:43	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:20:09.979915 End time: 2026-03-05 03:20:43.064806
2026-03-05 03:20:43	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:20:43	INFO	tclean::::casa	##########################################
2026-03-05 03:20:43	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:20:43	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:20:43	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-03-05 03:20:43	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:20:43	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:20:43 2026******
2026-03-05 03:20:43	INFO	ImageFitter::fit+	
2026-03-05 03:20:43	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:20:43	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:20:43	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:20:43	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:20:43	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:20:43	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:20:43	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:20:43	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:20:43	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:20:43	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:20:43	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-03-05 03:20:43	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012649 Jy
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999992 +/- 0.000777 arcsec
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000009 +/- 0.000097 pixels
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:20:43	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:20:43	INFO	imstat::::casa	##########################################
2026-03-05 03:20:43	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:20:43	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-03-05 03:20:43	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:20:43	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:20:43	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:20:43	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:20:43	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:20:43	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-03-05 03:20:43	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:20:43	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:20:43	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:20:43	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:20:43	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:20:43	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:20:43	INFO	imstat::::	Values --- 
2026-03-05 03:20:43	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:20:43	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:20:43	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:20:43	INFO	imstat::::	         -- minimum value [min]:                    -7.77867e-05 Jy/beam
2026-03-05 03:20:43	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:20:43	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:20:43	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:20:43	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-03-05 03:20:43	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:20:43	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:20:43	INFO	imstat::::	Statistics --- 
2026-03-05 03:20:43	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:20:43	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:20:43	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:20:43	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:20:43	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86761e-05 Jy/beam
2026-03-05 03:20:43	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam
2026-03-05 03:20:43	INFO	imstat::::	        -- IQR [quartile]:                          3.56319e-05 Jy/beam
2026-03-05 03:20:43	INFO	imstat::::	        -- First quartile [q1]:                     -3.45153e-05 Jy/beam
2026-03-05 03:20:43	INFO	imstat::::	        -- Third quartile [q3]:                     1.11659e-06 Jy/beam
2026-03-05 03:20:43	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:20:43	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:20:43	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:20:43	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:20:43	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:20:43	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:20:43	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
2026-03-05 03:20:43	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:20:43.146132 End time: 2026-03-05 03:20:43.174224
2026-03-05 03:20:43	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:20:43	INFO	imstat::::casa	##########################################
2026-03-05 03:20:43	INFO	phaseshift::::casa	##########################################
2026-03-05 03:20:43	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:20:43	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 40d06m0.0019' )
2026-03-05 03:20:43	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:20:43	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:20:43	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:20:43	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:20:43	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:20:43	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:20:43	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:20:43	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:20:43	INFO	MSTransformManager::open	Select data
2026-03-05 03:20:43	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:20:51	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:20:51	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 298.458325000deg 40d06m0.0019' successfully parsed
2026-03-05 03:20:51	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:20:52	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:20:52	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:20:43.191628 End time: 2026-03-05 03:20:52.424934
2026-03-05 03:20:52	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:20:52	INFO	phaseshift::::casa	##########################################
2026-03-05 03:20:52	INFO	tclean::::casa	##########################################
2026-03-05 03:20:52	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:20:52	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 )
2026-03-05 03:20:52	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:20:53	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:20:53	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:20:53	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:20:53	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:20:53	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:20:53	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:20:53	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:20:53	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:20:53	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:20:53	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:20:53	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:20:55	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:20:55	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.026577
2026-03-05 03:20:55	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:20:55	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:20:56	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:21:02	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:21:03	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:21:03	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:21:03	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:21:03	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:21:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:21:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:21:05	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:21:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:21:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:21:08	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:21:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:21:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:21:09	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:21:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:21:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:21:11	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:21:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:21:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:21:12	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:21:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:21:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:21:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:21:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:21:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:21:14	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:21:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:21:16	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:21:16	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:21:16	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:21:16	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:21:18	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:21:18	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:21:21	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:20:52.485103 End time: 2026-03-05 03:21:20.741815
2026-03-05 03:21:21	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:21:21	INFO	tclean::::casa	##########################################
2026-03-05 03:21:21	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:21:21	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:21:21	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)
2026-03-05 03:21:21	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:21:21	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:21:21 2026******
2026-03-05 03:21:21	INFO	ImageFitter::fit+	
2026-03-05 03:21:21	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:21:21	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:21:21	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:21:21	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:21:21	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:21:21	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:21:21	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:21:21	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:21:21	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:21:21	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:21:21	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)
2026-03-05 03:21:21	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012649 Jy
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:21:21	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:21:21	INFO	imstat::::casa	##########################################
2026-03-05 03:21:21	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:21:21	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 )
2026-03-05 03:21:21	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:21:21	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:21:21	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:21:21	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:21:21	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:21:21	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)
2026-03-05 03:21:21	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:21:21	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:21:21	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:21:21	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:21:21	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:21:21	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:21:21	INFO	imstat::::	Values --- 
2026-03-05 03:21:21	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:21:21	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:21:21	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:21:21	INFO	imstat::::	         -- minimum value [min]:                    -7.77954e-05 Jy/beam
2026-03-05 03:21:21	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:21:21	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:21:21	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:21:21	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-03-05 03:21:21	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:21:21	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:21:21	INFO	imstat::::	Statistics --- 
2026-03-05 03:21:21	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:21:21	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:21:21	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:21:21	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:21:21	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86712e-05 Jy/beam
2026-03-05 03:21:21	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam
2026-03-05 03:21:21	INFO	imstat::::	        -- IQR [quartile]:                          3.56293e-05 Jy/beam
2026-03-05 03:21:21	INFO	imstat::::	        -- First quartile [q1]:                     -3.45095e-05 Jy/beam
2026-03-05 03:21:21	INFO	imstat::::	        -- Third quartile [q3]:                     1.1198e-06 Jy/beam
2026-03-05 03:21:21	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:21:21	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:21:21	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:21:21	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:21:21	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:21:21	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:21:21	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
2026-03-05 03:21:21	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:21:20.825298 End time: 2026-03-05 03:21:20.859624
2026-03-05 03:21:21	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:21:21	INFO	imstat::::casa	##########################################
2026-03-05 03:21:21	INFO	phaseshift::::casa	##########################################
2026-03-05 03:21:21	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:21:21	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 02:40:24.0001' )
2026-03-05 03:21:21	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:21:21	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:21:21	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:21:21	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:21:21	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:21:21	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:21:21	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:21:21	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:21:21	INFO	MSTransformManager::open	Select data
2026-03-05 03:21:21	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:21:26	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 ".".
2026-03-05 03:21:26	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 298.458325000deg 02:40:24.0001' successfully parsed
2026-03-05 03:21:26	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:21:27	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:21:27	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:21:20.886987 End time: 2026-03-05 03:21:27.481402
2026-03-05 03:21:27	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:21:27	INFO	phaseshift::::casa	##########################################
2026-03-05 03:21:28	INFO	tclean::::casa	##########################################
2026-03-05 03:21:28	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:21:28	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 )
2026-03-05 03:21:28	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:21:28	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:21:28	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:21:28	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:21:28	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:21:28	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:21:28	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:21:28	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:21:28	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:21:28	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:21:28	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:21:28	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:21:29	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:21:29	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.020843
2026-03-05 03:21:29	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:21:29	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:21:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:21:34	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:21:36	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:21:36	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:21:37	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:21:37	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:21:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:21:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:21:41	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:21:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:21:44	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:21:44	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:21:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:21:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:21:45	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:21:45	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:21:47	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:21:47	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:21:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:21:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:21:48	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:21:48	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:21:50	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:21:50	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:21:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:21:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:21:51	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:21:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:21:52	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:21:52	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:21:52	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:21:52	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:21:53	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:21:53	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:21:55	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:21:27.541288 End time: 2026-03-05 03:21:55.390653
2026-03-05 03:21:55	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:21:55	INFO	tclean::::casa	##########################################
2026-03-05 03:21:55	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:21:55	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:21:55	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)
2026-03-05 03:21:55	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:21:55	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:21:55 2026******
2026-03-05 03:21:55	INFO	ImageFitter::fit+	
2026-03-05 03:21:55	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:21:55	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:21:55	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:21:55	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:21:55	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:21:55	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:21:55	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:21:55	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:21:55	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:21:55	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:21:55	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)
2026-03-05 03:21:55	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116891 Jy
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126504 Jy
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999957 +/- 0.000777 arcsec
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000047 +/- 0.000097 pixels
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:21:55	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:21:55	INFO	imstat::::casa	##########################################
2026-03-05 03:21:55	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:21:55	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-03-05 03:21:55	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:21:55	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:21:55	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:21:55	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:21:55	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:21:55	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)
2026-03-05 03:21:55	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:21:55	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:21:55	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:21:55	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:21:55	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:21:55	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:21:55	INFO	imstat::::	Values --- 
2026-03-05 03:21:55	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:21:55	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:21:55	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:21:55	INFO	imstat::::	         -- minimum value [min]:                    -7.78094e-05 Jy/beam
2026-03-05 03:21:55	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:21:55	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-03-05 03:21:55	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:21:55	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz
2026-03-05 03:21:55	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:21:55	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:21:55	INFO	imstat::::	Statistics --- 
2026-03-05 03:21:55	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:21:55	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:21:55	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:21:55	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:21:55	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86846e-05 Jy/beam
2026-03-05 03:21:55	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam
2026-03-05 03:21:55	INFO	imstat::::	        -- IQR [quartile]:                          3.56505e-05 Jy/beam
2026-03-05 03:21:55	INFO	imstat::::	        -- First quartile [q1]:                     -3.45202e-05 Jy/beam
2026-03-05 03:21:55	INFO	imstat::::	        -- Third quartile [q3]:                     1.13024e-06 Jy/beam
2026-03-05 03:21:55	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:21:55	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:21:55	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:21:55	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:21:55	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:21:55	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:21:55	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
2026-03-05 03:21:55	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:21:55.467069 End time: 2026-03-05 03:21:55.494543
2026-03-05 03:21:55	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:21:55	INFO	imstat::::casa	##########################################
2026-03-05 03:21:56	INFO	phaseshift::::casa	##########################################
2026-03-05 03:21:56	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:21:56	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 40.100000528deg' )
2026-03-05 03:21:56	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:21:56	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:21:56	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:21:56	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:21:56	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:21:56	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:21:56	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:21:56	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:21:56	INFO	MSTransformManager::open	Select data
2026-03-05 03:21:56	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:22:02	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:22:02	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 298.458325000deg 40.100000528deg' successfully parsed
2026-03-05 03:22:02	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:22:04	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:22:04	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:21:55.511449 End time: 2026-03-05 03:22:03.651975
2026-03-05 03:22:04	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:22:04	INFO	phaseshift::::casa	##########################################
2026-03-05 03:22:04	INFO	tclean::::casa	##########################################
2026-03-05 03:22:04	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:22:04	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-03-05 03:22:04	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:22:04	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:22:04	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:22:04	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:22:04	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:22:04	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:22:04	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:22:04	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:22:04	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:22:04	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:22:04	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:22:04	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:22:06	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:22:07	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027111
2026-03-05 03:22:07	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:22:07	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:22:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:22:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:22:12	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:22:12	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:22:12	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:22:12	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:22:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:22:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:22:16	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:22:16	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:22:17	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:22:17	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:22:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:22:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:22:18	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:22:18	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:22:19	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:22:19	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:22:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:22:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:22:20	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:22:20	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:22:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:22:21	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:22:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:22:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:22:22	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:22:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:22:23	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:22:23	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:22:23	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:22:23	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:22:24	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:22:25	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:22:27	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:22:03.708686 End time: 2026-03-05 03:22:27.159080
2026-03-05 03:22:27	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:22:27	INFO	tclean::::casa	##########################################
2026-03-05 03:22:27	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:22:27	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:22:27	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)
2026-03-05 03:22:27	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:22:27	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:22:27 2026******
2026-03-05 03:22:27	INFO	ImageFitter::fit+	
2026-03-05 03:22:27	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:22:27	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:22:27	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:22:27	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:22:27	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:22:27	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:22:27	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:22:27	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:22:27	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:22:27	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:22:27	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)
2026-03-05 03:22:27	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116876 Jy
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:22:27	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:22:27	INFO	imstat::::casa	##########################################
2026-03-05 03:22:27	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:22:27	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 )
2026-03-05 03:22:27	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:22:27	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:22:27	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:22:27	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:22:27	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:22:27	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)
2026-03-05 03:22:27	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:22:27	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:22:27	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:22:27	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:22:27	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:22:27	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:22:27	INFO	imstat::::	Values --- 
2026-03-05 03:22:27	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:22:27	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:22:27	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:22:27	INFO	imstat::::	         -- minimum value [min]:                    -7.77954e-05 Jy/beam
2026-03-05 03:22:27	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:22:27	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:22:27	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:22:27	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-03-05 03:22:27	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:22:27	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:22:27	INFO	imstat::::	Statistics --- 
2026-03-05 03:22:27	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:22:27	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:22:27	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:22:27	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:22:27	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86722e-05 Jy/beam
2026-03-05 03:22:27	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam
2026-03-05 03:22:27	INFO	imstat::::	        -- IQR [quartile]:                          3.56311e-05 Jy/beam
2026-03-05 03:22:27	INFO	imstat::::	        -- First quartile [q1]:                     -3.45119e-05 Jy/beam
2026-03-05 03:22:27	INFO	imstat::::	        -- Third quartile [q3]:                     1.11928e-06 Jy/beam
2026-03-05 03:22:27	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:22:27	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:22:27	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:22:27	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:22:27	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:22:27	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:22:27	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
2026-03-05 03:22:27	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:22:27.237110 End time: 2026-03-05 03:22:27.268367
2026-03-05 03:22:27	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:22:27	INFO	imstat::::casa	##########################################
2026-03-05 03:22:27	INFO	phaseshift::::casa	##########################################
2026-03-05 03:22:27	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:22:27	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 0.699877039rad' )
2026-03-05 03:22:27	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:22:27	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:22:27	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:22:27	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:22:27	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:22:27	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:22:27	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:22:27	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:22:27	INFO	MSTransformManager::open	Select data
2026-03-05 03:22:27	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:22:31	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:22:31	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 298.458325000deg 0.699877039rad' successfully parsed
2026-03-05 03:22:31	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:22:33	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:22:33	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:22:27.284561 End time: 2026-03-05 03:22:33.313694
2026-03-05 03:22:33	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:22:33	INFO	phaseshift::::casa	##########################################
2026-03-05 03:22:33	INFO	tclean::::casa	##########################################
2026-03-05 03:22:33	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:22:33	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 )
2026-03-05 03:22:33	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:22:33	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:22:33	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:22:34	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:22:34	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:22:34	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:22:34	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:22:34	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:22:34	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:22:34	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:22:34	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:22:34	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:22:37	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:22:37	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.028113
2026-03-05 03:22:37	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:22:37	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:22:38	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:22:41	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:22:42	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:22:42	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:22:43	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:22:43	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:22:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:22:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:22:45	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:22:45	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:22:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:22:49	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:22:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:22:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:22:50	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:22:50	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:22:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:22:51	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:22:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:22:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:22:52	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:22:52	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:22:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:22:54	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:22:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:22:55	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:22:55	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:22:55	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:22:56	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:22:56	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:22:56	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:22:56	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:22:57	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:22:58	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:23:00	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:22:33.369346 End time: 2026-03-05 03:23:00.378093
2026-03-05 03:23:00	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:23:00	INFO	tclean::::casa	##########################################
2026-03-05 03:23:00	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:23:00	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:23:00	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)
2026-03-05 03:23:00	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:23:00	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:23:00 2026******
2026-03-05 03:23:00	INFO	ImageFitter::fit+	
2026-03-05 03:23:00	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:23:00	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:23:00	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:23:00	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:23:00	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:23:00	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:23:00	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:23:00	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:23:00	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:23:00	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:23:00	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)
2026-03-05 03:23:00	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012649 Jy
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999992 +/- 0.000777 arcsec
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999970 +/- 0.000127 pixels
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000009 +/- 0.000097 pixels
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:23:00	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:23:00	INFO	imstat::::casa	##########################################
2026-03-05 03:23:00	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:23:00	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 )
2026-03-05 03:23:00	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:23:00	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:23:00	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:23:00	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:23:00	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:23:00	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)
2026-03-05 03:23:00	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:23:00	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:23:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:23:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:23:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:23:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:23:00	INFO	imstat::::	Values --- 
2026-03-05 03:23:00	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:23:00	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:23:00	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:23:00	INFO	imstat::::	         -- minimum value [min]:                    -7.77867e-05 Jy/beam
2026-03-05 03:23:00	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:23:00	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:23:00	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:23:00	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-03-05 03:23:00	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:23:00	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:23:00	INFO	imstat::::	Statistics --- 
2026-03-05 03:23:00	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:23:00	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:23:00	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:23:00	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:23:00	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86761e-05 Jy/beam
2026-03-05 03:23:00	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam
2026-03-05 03:23:00	INFO	imstat::::	        -- IQR [quartile]:                          3.56319e-05 Jy/beam
2026-03-05 03:23:00	INFO	imstat::::	        -- First quartile [q1]:                     -3.45153e-05 Jy/beam
2026-03-05 03:23:00	INFO	imstat::::	        -- Third quartile [q3]:                     1.11659e-06 Jy/beam
2026-03-05 03:23:00	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:23:00	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:23:00	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:23:00	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:23:00	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:23:00	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:23:00	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
2026-03-05 03:23:00	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:23:00.450674 End time: 2026-03-05 03:23:00.476789
2026-03-05 03:23:00	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:23:00	INFO	imstat::::casa	##########################################
2026-03-05 03:23:00	INFO	phaseshift::::casa	##########################################
2026-03-05 03:23:00	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:23:00	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 5.209080451rad 40d06m0.0019' )
2026-03-05 03:23:01	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:23:01	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:23:01	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:23:01	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:23:01	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:23:01	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:23:01	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:23:01	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:23:01	INFO	MSTransformManager::open	Select data
2026-03-05 03:23:01	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:23:04	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:23:04	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 5.209080451rad 40d06m0.0019' successfully parsed
2026-03-05 03:23:04	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:23:06	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:23:06	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:23:00.493040 End time: 2026-03-05 03:23:05.796908
2026-03-05 03:23:06	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:23:06	INFO	phaseshift::::casa	##########################################
2026-03-05 03:23:06	INFO	tclean::::casa	##########################################
2026-03-05 03:23:06	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:23:06	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 )
2026-03-05 03:23:06	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:23:06	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:23:06	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:23:06	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:23:06	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:23:06	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:23:06	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:23:06	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:23:06	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:23:06	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:23:06	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:23:06	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:23:08	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:23:08	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.025509
2026-03-05 03:23:08	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:23:08	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:23:10	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:23:12	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:23:13	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:23:13	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:23:13	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:23:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:23:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:23:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:23:16	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:23:16	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:23:20	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:23:20	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:23:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:23:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:23:20	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:23:20	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:23:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:23:22	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:23:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:23:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:23:23	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:23:23	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:23:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:23:24	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:23:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:23:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:23:24	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:23:24	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:23:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:23:27	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:23:27	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:23:27	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:23:29	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:23:29	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:23:32	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:23:05.853931 End time: 2026-03-05 03:23:31.719011
2026-03-05 03:23:32	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:23:32	INFO	tclean::::casa	##########################################
2026-03-05 03:23:32	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:23:32	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:23:32	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)
2026-03-05 03:23:32	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:23:32	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:23:32 2026******
2026-03-05 03:23:32	INFO	ImageFitter::fit+	
2026-03-05 03:23:32	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:23:32	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:23:32	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:23:32	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:23:32	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:23:32	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:23:32	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:23:32	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:23:32	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:23:32	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:23:32	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)
2026-03-05 03:23:32	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116878 Jy
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126494 Jy
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999966 +/- 0.000127 pixels
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:23:32	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:23:32	INFO	imstat::::casa	##########################################
2026-03-05 03:23:32	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:23:32	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 )
2026-03-05 03:23:32	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:23:32	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:23:32	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:23:32	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:23:32	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:23:32	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)
2026-03-05 03:23:32	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:23:32	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:23:32	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:23:32	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:23:32	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:23:32	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:23:32	INFO	imstat::::	Values --- 
2026-03-05 03:23:32	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:23:32	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:23:32	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:23:32	INFO	imstat::::	         -- minimum value [min]:                    -7.77984e-05 Jy/beam
2026-03-05 03:23:32	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:23:32	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:23:32	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:23:32	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-03-05 03:23:32	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:23:32	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:23:32	INFO	imstat::::	Statistics --- 
2026-03-05 03:23:32	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:23:32	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:23:32	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:23:32	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:23:32	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86704e-05 Jy/beam
2026-03-05 03:23:32	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7365e-05 Jy/beam
2026-03-05 03:23:32	INFO	imstat::::	        -- IQR [quartile]:                          3.56348e-05 Jy/beam
2026-03-05 03:23:32	INFO	imstat::::	        -- First quartile [q1]:                     -3.45131e-05 Jy/beam
2026-03-05 03:23:32	INFO	imstat::::	        -- Third quartile [q3]:                     1.12172e-06 Jy/beam
2026-03-05 03:23:32	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:23:32	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:23:32	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:23:32	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:23:32	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:23:32	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:23:32	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
2026-03-05 03:23:32	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:23:31.791527 End time: 2026-03-05 03:23:31.817553
2026-03-05 03:23:32	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:23:32	INFO	imstat::::casa	##########################################
2026-03-05 03:23:32	INFO	phaseshift::::casa	##########################################
2026-03-05 03:23:32	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:23:32	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 02:40:24.0001' )
2026-03-05 03:23:32	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:23:32	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:23:32	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:23:32	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:23:32	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:23:32	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:23:32	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:23:32	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:23:32	INFO	MSTransformManager::open	Select data
2026-03-05 03:23:32	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:23:38	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 ".".
2026-03-05 03:23:38	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 5.209080451rad 02:40:24.0001' successfully parsed
2026-03-05 03:23:38	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:23:40	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:23:40	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:23:31.833961 End time: 2026-03-05 03:23:39.694517
2026-03-05 03:23:40	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:23:40	INFO	phaseshift::::casa	##########################################
2026-03-05 03:23:40	INFO	tclean::::casa	##########################################
2026-03-05 03:23:40	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:23:40	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 )
2026-03-05 03:23:40	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:23:40	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:23:40	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:23:40	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:23:40	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:23:40	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:23:40	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:23:40	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:23:40	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:23:40	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:23:40	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:23:40	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:23:42	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:23:43	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027295
2026-03-05 03:23:43	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:23:43	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:23:44	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:23:45	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:23:46	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:23:46	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:23:46	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:23:46	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:23:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:23:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:23:48	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:23:48	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:23:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:23:49	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:23:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:23:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:23:51	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:23:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:23:52	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:23:52	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:23:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:23:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:23:53	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:23:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:23:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:23:54	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:23:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:23:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:23:58	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:23:58	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:24:00	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:24:00	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:24:00	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:24:00	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:24:02	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:24:02	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:24:05	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:23:39.746978 End time: 2026-03-05 03:24:05.124926
2026-03-05 03:24:05	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:24:05	INFO	tclean::::casa	##########################################
2026-03-05 03:24:05	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:24:05	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:24:05	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)
2026-03-05 03:24:05	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:24:05	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:24:05 2026******
2026-03-05 03:24:05	INFO	ImageFitter::fit+	
2026-03-05 03:24:05	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:24:05	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:24:05	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:24:05	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:24:05	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:24:05	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:24:05	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:24:05	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:24:05	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:24:05	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:24:05	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)
2026-03-05 03:24:05	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116894 Jy
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126508 Jy
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999957 +/- 0.000777 arcsec
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999966 +/- 0.000127 pixels
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000047 +/- 0.000097 pixels
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:24:05	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:24:05	INFO	imstat::::casa	##########################################
2026-03-05 03:24:05	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:24:05	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 )
2026-03-05 03:24:05	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:24:05	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:24:05	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:24:05	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:24:05	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:24:05	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)
2026-03-05 03:24:05	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:24:05	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:24:05	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:24:05	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:24:05	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:24:05	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:24:05	INFO	imstat::::	Values --- 
2026-03-05 03:24:05	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:24:05	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:24:05	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:24:05	INFO	imstat::::	         -- minimum value [min]:                    -7.78076e-05 Jy/beam
2026-03-05 03:24:05	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:24:05	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-03-05 03:24:05	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:24:05	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz
2026-03-05 03:24:05	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:24:05	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:24:05	INFO	imstat::::	Statistics --- 
2026-03-05 03:24:05	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:24:05	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:24:05	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:24:05	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:24:05	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86848e-05 Jy/beam
2026-03-05 03:24:05	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73951e-05 Jy/beam
2026-03-05 03:24:05	INFO	imstat::::	        -- IQR [quartile]:                          3.56676e-05 Jy/beam
2026-03-05 03:24:05	INFO	imstat::::	        -- First quartile [q1]:                     -3.45186e-05 Jy/beam
2026-03-05 03:24:05	INFO	imstat::::	        -- Third quartile [q3]:                     1.14894e-06 Jy/beam
2026-03-05 03:24:05	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:24:05	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:24:05	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:24:05	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:24:05	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:24:05	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:24:05	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
2026-03-05 03:24:05	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:24:05.203899 End time: 2026-03-05 03:24:05.232427
2026-03-05 03:24:05	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:24:05	INFO	imstat::::casa	##########################################
2026-03-05 03:24:05	INFO	phaseshift::::casa	##########################################
2026-03-05 03:24:05	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:24:05	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 40.100000528deg' )
2026-03-05 03:24:05	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:24:05	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:24:05	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:24:05	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:24:05	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:24:05	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:24:05	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:24:05	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:24:05	INFO	MSTransformManager::open	Select data
2026-03-05 03:24:05	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:24:11	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:24:11	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 5.209080451rad 40.100000528deg' successfully parsed
2026-03-05 03:24:11	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:24:13	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:24:13	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:24:05.250005 End time: 2026-03-05 03:24:12.982756
2026-03-05 03:24:13	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:24:13	INFO	phaseshift::::casa	##########################################
2026-03-05 03:24:13	INFO	tclean::::casa	##########################################
2026-03-05 03:24:13	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:24:13	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 )
2026-03-05 03:24:13	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:24:13	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:24:13	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:24:13	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:24:13	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:24:13	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:24:13	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:24:13	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:24:13	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:24:13	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:24:13	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:24:13	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:24:16	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:24:16	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.028279
2026-03-05 03:24:16	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:24:16	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:24:18	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:24:19	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:24:21	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:24:21	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:24:21	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:24:21	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:24:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:24:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:24:22	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:24:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:24:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:24:24	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:24:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:24:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:24:25	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:24:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:24:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:24:29	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:24:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:24:31	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:24:31	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:24:31	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:24:33	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:24:33	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:24:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:24:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:24:34	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:24:34	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:24:35	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:24:35	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:24:35	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:24:35	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:24:37	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:24:37	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:24:40	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:24:13.039064 End time: 2026-03-05 03:24:40.225015
2026-03-05 03:24:40	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:24:40	INFO	tclean::::casa	##########################################
2026-03-05 03:24:40	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:24:40	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:24:40	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)
2026-03-05 03:24:40	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:24:40	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:24:40 2026******
2026-03-05 03:24:40	INFO	ImageFitter::fit+	
2026-03-05 03:24:40	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:24:40	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:24:40	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:24:40	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:24:40	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:24:40	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:24:40	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:24:40	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:24:40	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:24:40	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:24:40	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)
2026-03-05 03:24:40	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116882 Jy
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126496 Jy
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999998 +/- 0.000777 arcsec
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999966 +/- 0.000127 pixels
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000003 +/- 0.000097 pixels
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:24:40	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:24:40	INFO	imstat::::casa	##########################################
2026-03-05 03:24:40	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:24:40	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 )
2026-03-05 03:24:40	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:24:40	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:24:40	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:24:40	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:24:40	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:24:40	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)
2026-03-05 03:24:40	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:24:40	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:24:40	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:24:40	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:24:40	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:24:40	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:24:40	INFO	imstat::::	Values --- 
2026-03-05 03:24:40	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:24:40	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:24:40	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:24:40	INFO	imstat::::	         -- minimum value [min]:                    -7.77982e-05 Jy/beam
2026-03-05 03:24:40	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:24:40	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:24:40	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:24:40	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-03-05 03:24:40	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:24:40	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:24:40	INFO	imstat::::	Statistics --- 
2026-03-05 03:24:40	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:24:40	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:24:40	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:24:40	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:24:40	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86711e-05 Jy/beam
2026-03-05 03:24:40	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73646e-05 Jy/beam
2026-03-05 03:24:40	INFO	imstat::::	        -- IQR [quartile]:                          3.56367e-05 Jy/beam
2026-03-05 03:24:40	INFO	imstat::::	        -- First quartile [q1]:                     -3.45138e-05 Jy/beam
2026-03-05 03:24:40	INFO	imstat::::	        -- Third quartile [q3]:                     1.12291e-06 Jy/beam
2026-03-05 03:24:40	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:24:40	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:24:40	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:24:40	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:24:40	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:24:40	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:24:40	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
2026-03-05 03:24:40	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:24:40.304146 End time: 2026-03-05 03:24:40.331297
2026-03-05 03:24:40	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:24:40	INFO	imstat::::casa	##########################################
2026-03-05 03:24:40	INFO	phaseshift::::casa	##########################################
2026-03-05 03:24:40	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:24:40	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 5.209080451rad 0.699877039rad' )
2026-03-05 03:24:40	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:24:40	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:24:40	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:24:40	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:24:40	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:24:40	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:24:40	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:24:40	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:24:40	INFO	MSTransformManager::open	Select data
2026-03-05 03:24:40	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:24:46	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:24:46	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'ICRS 5.209080451rad 0.699877039rad' successfully parsed
2026-03-05 03:24:46	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:24:48	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:24:48	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:24:40.348179 End time: 2026-03-05 03:24:47.705011
2026-03-05 03:24:48	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:24:48	INFO	phaseshift::::casa	##########################################
2026-03-05 03:24:48	INFO	tclean::::casa	##########################################
2026-03-05 03:24:48	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:24:48	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 )
2026-03-05 03:24:48	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:24:48	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:24:48	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:24:48	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:24:48	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:24:48	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:24:48	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:24:48	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:24:48	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:24:48	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:24:48	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:24:48	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:24:51	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:24:51	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.02628
2026-03-05 03:24:51	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:24:51	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:24:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:24:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:24:56	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:24:56	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:24:56	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:24:56	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:24:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:24:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:24:57	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:24:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:25:00	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:25:00	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:25:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:25:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:25:02	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:25:02	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:25:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:25:03	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374443277716637, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:25:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:25:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:25:04	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:25:04	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:25:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:25:06	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852561634033918, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:25:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:25:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:25:07	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:25:07	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:25:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:25:08	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:25:08	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:25:08	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:25:10	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:25:10	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:25:13	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:24:47.763959 End time: 2026-03-05 03:25:12.959717
2026-03-05 03:25:13	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:25:13	INFO	tclean::::casa	##########################################
2026-03-05 03:25:13	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:25:13	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:25:13	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)
2026-03-05 03:25:13	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:25:13	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:25:13 2026******
2026-03-05 03:25:13	INFO	ImageFitter::fit+	
2026-03-05 03:25:13	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:25:13	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:25:13	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:25:13	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:25:13	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:25:13	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:25:13	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:25:13	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:25:13	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:25:13	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:25:13	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)
2026-03-05 03:25:13	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116879 Jy
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126495 Jy
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	       --- dec: +040.05.59.999992 +/- 0.000777 arcsec
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999966 +/- 0.000127 pixels
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000009 +/- 0.000097 pixels
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:25:13	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:25:13	INFO	imstat::::casa	##########################################
2026-03-05 03:25:13	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:25:13	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 )
2026-03-05 03:25:13	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:25:13	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:25:13	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:25:13	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:25:13	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:25:13	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)
2026-03-05 03:25:13	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:25:13	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:25:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:25:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:25:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:25:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:25:13	INFO	imstat::::	Values --- 
2026-03-05 03:25:13	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:25:13	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:25:13	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:25:13	INFO	imstat::::	         -- minimum value [min]:                    -7.77898e-05 Jy/beam
2026-03-05 03:25:13	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:25:13	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:25:13	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:25:13	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz
2026-03-05 03:25:13	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:25:13	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:25:13	INFO	imstat::::	Statistics --- 
2026-03-05 03:25:13	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:25:13	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:25:13	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:25:13	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:25:13	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86769e-05 Jy/beam
2026-03-05 03:25:13	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73662e-05 Jy/beam
2026-03-05 03:25:13	INFO	imstat::::	        -- IQR [quartile]:                          3.5634e-05 Jy/beam
2026-03-05 03:25:13	INFO	imstat::::	        -- First quartile [q1]:                     -3.45153e-05 Jy/beam
2026-03-05 03:25:13	INFO	imstat::::	        -- Third quartile [q3]:                     1.1187e-06 Jy/beam
2026-03-05 03:25:13	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:25:13	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:25:13	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:25:13	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:25:13	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:25:13	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:25:13	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
2026-03-05 03:25:13	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:25:13.031795 End time: 2026-03-05 03:25:13.057351
2026-03-05 03:25:13	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:25:13	INFO	imstat::::casa	##########################################
2026-03-05 03:25:13	INFO	phaseshift::::casa	##########################################
2026-03-05 03:25:13	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:25:13	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 +006d21m09.7433' )
2026-03-05 03:25:13	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:25:13	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:25:13	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:25:13	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:25:13	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:25:13	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:25:13	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:25:13	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:25:13	INFO	MSTransformManager::open	Select data
2026-03-05 03:25:13	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:25:24	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:25:24	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05h00m21.5326 +006d21m09.7433' successfully parsed
2026-03-05 03:25:24	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:25:26	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:25:26	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:25:13.074115 End time: 2026-03-05 03:25:25.894283
2026-03-05 03:25:26	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:25:26	INFO	phaseshift::::casa	##########################################
2026-03-05 03:25:26	INFO	tclean::::casa	##########################################
2026-03-05 03:25:26	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:25:26	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 )
2026-03-05 03:25:26	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:25:26	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:25:26	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:25:26	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:25:26	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:25:26	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:25:26	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:25:26	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:25:26	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:25:26	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:25:26	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:25:26	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:25:30	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:25:31	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.024986
2026-03-05 03:25:31	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:25:31	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:25:35	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:25:37	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:25:40	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:25:40	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:25:40	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:25:40	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:25:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:25:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:25:41	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:25:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:25:43	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:25:43	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:25:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:25:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:25:43	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:25:44	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:25:45	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:25:45	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:25:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:25:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:25:46	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:25:46	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:25:48	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:25:48	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:25:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:25:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:25:50	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:25:50	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:25:52	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:25:52	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:25:52	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:25:52	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:25:55	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:25:56	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:26:00	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:25:25.953144 End time: 2026-03-05 03:26:00.104762
2026-03-05 03:26:00	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:26:00	INFO	tclean::::casa	##########################################
2026-03-05 03:26:00	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:26:00	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:26:00	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)
2026-03-05 03:26:00	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:26:00	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:26:00 2026******
2026-03-05 03:26:00	INFO	ImageFitter::fit+	
2026-03-05 03:26:00	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:26:00	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:26:00	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:26:00	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:26:00	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:26:00	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:26:00	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:26:00	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:26:00	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:26:00	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:26:00	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)
2026-03-05 03:26:00	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116868 Jy
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126484 Jy
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:26:00	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:26:00	INFO	imstat::::casa	##########################################
2026-03-05 03:26:00	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:26:00	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 )
2026-03-05 03:26:00	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:26:00	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:26:00	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:26:00	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:26:00	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:26:00	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)
2026-03-05 03:26:00	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:26:00	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:26:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:26:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:26:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:26:00	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:26:00	INFO	imstat::::	Values --- 
2026-03-05 03:26:00	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:26:00	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:26:00	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:26:00	INFO	imstat::::	         -- minimum value [min]:                    -7.77795e-05 Jy/beam
2026-03-05 03:26:00	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:26:00	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:26:00	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:26:00	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:26:00	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:26:00	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:26:00	INFO	imstat::::	Statistics --- 
2026-03-05 03:26:00	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:26:00	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:26:00	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:26:00	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:26:00	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86702e-05 Jy/beam
2026-03-05 03:26:00	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73612e-05 Jy/beam
2026-03-05 03:26:00	INFO	imstat::::	        -- IQR [quartile]:                          3.56029e-05 Jy/beam
2026-03-05 03:26:00	INFO	imstat::::	        -- First quartile [q1]:                     -3.45082e-05 Jy/beam
2026-03-05 03:26:00	INFO	imstat::::	        -- Third quartile [q3]:                     1.09472e-06 Jy/beam
2026-03-05 03:26:00	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:26:00	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:26:00	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:26:00	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:26:00	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:26:00	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:26:00	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
2026-03-05 03:26:00	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:26:00.183359 End time: 2026-03-05 03:26:00.223823
2026-03-05 03:26:00	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:26:00	INFO	imstat::::casa	##########################################
2026-03-05 03:26:00	INFO	phaseshift::::casa	##########################################
2026-03-05 03:26:00	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:26:00	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 00:25:24.6496' )
2026-03-05 03:26:00	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:26:00	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:26:00	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:26:00	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:26:00	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:26:00	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:26:00	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:26:00	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:26:00	INFO	MSTransformManager::open	Select data
2026-03-05 03:26:00	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:26:07	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 ".".
2026-03-05 03:26:07	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05h00m21.5326 00:25:24.6496' successfully parsed
2026-03-05 03:26:07	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:26:09	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:26:09	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:26:00.247734 End time: 2026-03-05 03:26:08.863106
2026-03-05 03:26:09	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:26:09	INFO	phaseshift::::casa	##########################################
2026-03-05 03:26:09	INFO	tclean::::casa	##########################################
2026-03-05 03:26:09	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:26:09	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 )
2026-03-05 03:26:09	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:26:09	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:26:09	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:26:09	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:26:09	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:26:09	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:26:09	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:26:09	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:26:09	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:26:09	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:26:09	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:26:09	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:26:12	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:26:13	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.025369
2026-03-05 03:26:13	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:26:13	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:26:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:26:18	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:26:19	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:26:20	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:26:20	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:26:20	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:26:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:26:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:26:22	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:26:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:26:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:26:24	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:26:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:26:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:26:25	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:26:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:26:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:26:26	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:26:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:26:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:26:27	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:26:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:26:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:26:29	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:26:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:26:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:26:30	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:26:30	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:26:32	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:26:32	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:26:32	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:26:32	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:26:33	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:26:34	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:26:37	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:26:08.922405 End time: 2026-03-05 03:26:37.036033
2026-03-05 03:26:37	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:26:37	INFO	tclean::::casa	##########################################
2026-03-05 03:26:37	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:26:37	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:26:37	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)
2026-03-05 03:26:37	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:26:37	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:26:37 2026******
2026-03-05 03:26:37	INFO	ImageFitter::fit+	
2026-03-05 03:26:37	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:26:37	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:26:37	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:26:37	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:26:37	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:26:37	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:26:37	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:26:37	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:26:37	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:26:37	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:26:37	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)
2026-03-05 03:26:37	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116907 Jy
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012652 Jy
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000038 +/- 0.000777 arcsec
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999939 +/- 0.000127 pixels
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999957 +/- 0.000097 pixels
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:26:37	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:26:37	INFO	imstat::::casa	##########################################
2026-03-05 03:26:37	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:26:37	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 )
2026-03-05 03:26:37	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:26:37	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:26:37	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:26:37	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:26:37	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:26:37	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)
2026-03-05 03:26:37	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:26:37	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:26:37	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:26:37	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:26:37	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-03-05 03:26:37	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-03-05 03:26:37	INFO	imstat::::	Values --- 
2026-03-05 03:26:37	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:26:37	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:26:37	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:26:37	INFO	imstat::::	         -- minimum value [min]:                    -7.78732e-05 Jy/beam
2026-03-05 03:26:37	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:26:37	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:26:37	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:26:37	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:26:37	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:26:37	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:26:37	INFO	imstat::::	Statistics --- 
2026-03-05 03:26:37	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:26:37	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:26:37	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:26:37	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:26:37	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86516e-05 Jy/beam
2026-03-05 03:26:37	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73802e-05 Jy/beam
2026-03-05 03:26:37	INFO	imstat::::	        -- IQR [quartile]:                          3.56959e-05 Jy/beam
2026-03-05 03:26:37	INFO	imstat::::	        -- First quartile [q1]:                     -3.45348e-05 Jy/beam
2026-03-05 03:26:37	INFO	imstat::::	        -- Third quartile [q3]:                     1.16101e-06 Jy/beam
2026-03-05 03:26:37	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:26:37	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:26:37	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:26:37	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:26:37	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:26:37	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:26:37	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
2026-03-05 03:26:37	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:26:37.111655 End time: 2026-03-05 03:26:37.139607
2026-03-05 03:26:37	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:26:37	INFO	imstat::::casa	##########################################
2026-03-05 03:26:37	INFO	phaseshift::::casa	##########################################
2026-03-05 03:26:37	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:26:37	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 05h00m21.5326 6.352706472deg' )
2026-03-05 03:26:37	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:26:37	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:26:37	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:26:37	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:26:37	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:26:37	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:26:37	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:26:37	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:26:37	INFO	MSTransformManager::open	Select data
2026-03-05 03:26:37	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:26:48	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:26:48	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05h00m21.5326 6.352706472deg' successfully parsed
2026-03-05 03:26:48	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:26:51	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:26:51	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:26:37.157061 End time: 2026-03-05 03:26:50.965008
2026-03-05 03:26:51	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:26:51	INFO	phaseshift::::casa	##########################################
2026-03-05 03:26:51	INFO	tclean::::casa	##########################################
2026-03-05 03:26:51	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:26:51	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 )
2026-03-05 03:26:51	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:26:51	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:26:51	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:26:51	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:26:51	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:26:51	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:26:51	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:26:51	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:26:51	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:26:51	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:26:51	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:26:51	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:26:55	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:26:55	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027768
2026-03-05 03:26:55	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:26:55	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:26:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:26:58	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:27:00	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:27:00	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:27:00	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:27:00	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:27:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:27:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:27:02	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:27:02	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:27:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:27:03	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:27:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:27:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:27:04	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:27:04	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:27:05	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:27:05	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:27:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:27:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:27:06	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:27:06	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:27:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:27:08	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:27:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:27:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:27:09	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:27:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:27:10	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:27:10	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:27:10	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:27:10	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:27:11	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:27:11	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:27:13	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:26:51.024262 End time: 2026-03-05 03:27:12.612838
2026-03-05 03:27:13	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:27:13	INFO	tclean::::casa	##########################################
2026-03-05 03:27:13	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:27:13	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:27:13	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)
2026-03-05 03:27:13	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:27:13	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:27:13 2026******
2026-03-05 03:27:13	INFO	ImageFitter::fit+	
2026-03-05 03:27:13	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:27:13	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:27:13	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:27:13	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:27:13	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:27:13	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:27:13	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:27:13	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:27:13	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:27:13	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:27:13	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)
2026-03-05 03:27:13	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116872 Jy
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126486 Jy
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:27:13	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:27:13	INFO	imstat::::casa	##########################################
2026-03-05 03:27:13	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:27:13	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 )
2026-03-05 03:27:13	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:27:13	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:27:13	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:27:13	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:27:13	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:27:13	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)
2026-03-05 03:27:13	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:27:13	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:27:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:27:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:27:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:27:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:27:13	INFO	imstat::::	Values --- 
2026-03-05 03:27:13	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:27:13	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:27:13	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:27:13	INFO	imstat::::	         -- minimum value [min]:                    -7.7777e-05 Jy/beam
2026-03-05 03:27:13	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:27:13	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:27:13	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:27:13	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:27:13	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:27:13	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:27:13	INFO	imstat::::	Statistics --- 
2026-03-05 03:27:13	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:27:13	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:27:13	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:27:13	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:27:13	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86705e-05 Jy/beam
2026-03-05 03:27:13	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7361e-05 Jy/beam
2026-03-05 03:27:13	INFO	imstat::::	        -- IQR [quartile]:                          3.56027e-05 Jy/beam
2026-03-05 03:27:13	INFO	imstat::::	        -- First quartile [q1]:                     -3.45074e-05 Jy/beam
2026-03-05 03:27:13	INFO	imstat::::	        -- Third quartile [q3]:                     1.09529e-06 Jy/beam
2026-03-05 03:27:13	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:27:13	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:27:13	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:27:13	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:27:13	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:27:13	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:27:13	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
2026-03-05 03:27:13	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:27:12.696838 End time: 2026-03-05 03:27:12.725061
2026-03-05 03:27:13	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:27:13	INFO	imstat::::casa	##########################################
2026-03-05 03:27:13	INFO	phaseshift::::casa	##########################################
2026-03-05 03:27:13	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:27:13	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 0.110875644rad' )
2026-03-05 03:27:13	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:27:13	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:27:13	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:27:13	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:27:13	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:27:13	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:27:13	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:27:13	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:27:13	INFO	MSTransformManager::open	Select data
2026-03-05 03:27:13	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:27:15	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:27:15	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05h00m21.5326 0.110875644rad' successfully parsed
2026-03-05 03:27:15	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:27:16	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:27:16	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:27:12.742418 End time: 2026-03-05 03:27:15.909729
2026-03-05 03:27:16	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:27:16	INFO	phaseshift::::casa	##########################################
2026-03-05 03:27:16	INFO	tclean::::casa	##########################################
2026-03-05 03:27:16	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:27:16	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 )
2026-03-05 03:27:16	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:27:16	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:27:16	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:27:16	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:27:16	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:27:16	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:27:16	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:27:16	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:27:16	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:27:16	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:27:16	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:27:16	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:27:18	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:27:18	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027482
2026-03-05 03:27:18	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:27:18	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:27:19	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:27:20	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:27:20	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:27:20	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:27:20	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:27:20	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:27:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:27:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:27:21	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:27:21	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:27:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:27:22	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:27:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:27:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:27:23	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:27:23	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:27:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:27:24	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:27:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:27:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:27:25	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:27:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:27:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:27:26	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:27:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:27:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:27:27	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:27:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:27:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:27:29	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:27:29	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:27:29	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:27:31	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:27:32	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:27:34	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:27:15.965062 End time: 2026-03-05 03:27:33.927343
2026-03-05 03:27:34	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:27:34	INFO	tclean::::casa	##########################################
2026-03-05 03:27:34	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:27:34	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:27:34	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)
2026-03-05 03:27:34	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:27:34	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:27:34 2026******
2026-03-05 03:27:34	INFO	ImageFitter::fit+	
2026-03-05 03:27:34	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:27:34	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:27:34	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:27:34	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:27:34	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:27:34	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:27:34	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:27:34	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:27:34	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:27:34	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:27:34	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)
2026-03-05 03:27:34	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000012 +/- 0.000127 pixels
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:27:34	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:27:34	INFO	imstat::::casa	##########################################
2026-03-05 03:27:34	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:27:34	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 )
2026-03-05 03:27:34	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:27:34	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:27:34	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:27:34	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:27:34	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:27:34	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)
2026-03-05 03:27:34	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:27:34	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:27:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:27:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:27:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:27:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:27:34	INFO	imstat::::	Values --- 
2026-03-05 03:27:34	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:27:34	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:27:34	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:27:34	INFO	imstat::::	         -- minimum value [min]:                    -7.77849e-05 Jy/beam
2026-03-05 03:27:34	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:27:34	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-03-05 03:27:34	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:27:34	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-03-05 03:27:34	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:27:34	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:27:34	INFO	imstat::::	Statistics --- 
2026-03-05 03:27:34	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:27:34	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:27:34	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:27:34	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:27:34	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86722e-05 Jy/beam
2026-03-05 03:27:34	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73549e-05 Jy/beam
2026-03-05 03:27:34	INFO	imstat::::	        -- IQR [quartile]:                          3.56016e-05 Jy/beam
2026-03-05 03:27:34	INFO	imstat::::	        -- First quartile [q1]:                     -3.45087e-05 Jy/beam
2026-03-05 03:27:34	INFO	imstat::::	        -- Third quartile [q3]:                     1.0929e-06 Jy/beam
2026-03-05 03:27:34	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:27:34	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:27:34	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:27:34	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:27:34	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:27:34	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:27:34	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
2026-03-05 03:27:34	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:27:34.007986 End time: 2026-03-05 03:27:34.036939
2026-03-05 03:27:34	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:27:34	INFO	imstat::::casa	##########################################
2026-03-05 03:27:34	INFO	phaseshift::::casa	##########################################
2026-03-05 03:27:34	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:27:34	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 +006d21m09.7433' )
2026-03-05 03:27:34	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:27:34	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:27:34	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:27:34	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:27:34	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:27:34	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:27:34	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:27:34	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:27:34	INFO	MSTransformManager::open	Select data
2026-03-05 03:27:34	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:27:43	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:27:43	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05:00:21.5326 +006d21m09.7433' successfully parsed
2026-03-05 03:27:43	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:27:45	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:27:45	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:27:34.056708 End time: 2026-03-05 03:27:45.135899
2026-03-05 03:27:45	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:27:45	INFO	phaseshift::::casa	##########################################
2026-03-05 03:27:45	INFO	tclean::::casa	##########################################
2026-03-05 03:27:45	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:27:45	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 )
2026-03-05 03:27:45	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:27:45	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:27:45	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:27:45	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:27:45	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:27:45	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:27:45	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:27:45	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:27:45	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:27:45	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:27:45	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:27:45	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:27:49	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:27:49	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.025429
2026-03-05 03:27:49	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:27:49	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:27:50	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:27:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:27:53	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:27:53	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:27:53	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:27:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:27:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:27:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:27:54	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:27:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:27:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:27:55	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:27:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:27:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:27:56	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:27:56	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:27:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:27:57	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:27:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:27:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:27:58	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:27:58	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:28:00	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:28:00	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:28:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:28:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:28:00	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:28:00	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:28:02	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:28:02	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:28:02	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:28:02	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:28:03	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:28:04	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:28:07	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:27:45.195560 End time: 2026-03-05 03:28:06.596121
2026-03-05 03:28:07	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:28:07	INFO	tclean::::casa	##########################################
2026-03-05 03:28:07	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:28:07	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:28:07	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)
2026-03-05 03:28:07	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:28:07	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:28:07 2026******
2026-03-05 03:28:07	INFO	ImageFitter::fit+	
2026-03-05 03:28:07	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:28:07	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:28:07	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:28:07	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:28:07	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:28:07	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:28:07	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:28:07	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:28:07	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:28:07	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:28:07	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-03-05 03:28:07	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116868 Jy
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126484 Jy
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:28:07	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:28:07	INFO	imstat::::casa	##########################################
2026-03-05 03:28:07	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:28:07	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 )
2026-03-05 03:28:07	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:28:07	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:28:07	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:28:07	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:28:07	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:28:07	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)
2026-03-05 03:28:07	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:28:07	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:28:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:28:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:28:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:28:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:28:07	INFO	imstat::::	Values --- 
2026-03-05 03:28:07	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:28:07	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:28:07	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:28:07	INFO	imstat::::	         -- minimum value [min]:                    -7.77795e-05 Jy/beam
2026-03-05 03:28:07	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:28:07	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:28:07	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:28:07	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:28:07	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:28:07	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:28:07	INFO	imstat::::	Statistics --- 
2026-03-05 03:28:07	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:28:07	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:28:07	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:28:07	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:28:07	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86702e-05 Jy/beam
2026-03-05 03:28:07	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73612e-05 Jy/beam
2026-03-05 03:28:07	INFO	imstat::::	        -- IQR [quartile]:                          3.56029e-05 Jy/beam
2026-03-05 03:28:07	INFO	imstat::::	        -- First quartile [q1]:                     -3.45082e-05 Jy/beam
2026-03-05 03:28:07	INFO	imstat::::	        -- Third quartile [q3]:                     1.09472e-06 Jy/beam
2026-03-05 03:28:07	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:28:07	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:28:07	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:28:07	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:28:07	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:28:07	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:28:07	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
2026-03-05 03:28:07	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:28:06.671842 End time: 2026-03-05 03:28:06.698351
2026-03-05 03:28:07	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:28:07	INFO	imstat::::casa	##########################################
2026-03-05 03:28:07	INFO	phaseshift::::casa	##########################################
2026-03-05 03:28:07	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:28:07	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 00:25:24.6496' )
2026-03-05 03:28:07	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:28:07	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:28:07	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:28:07	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:28:07	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:28:07	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:28:07	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:28:07	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:28:07	INFO	MSTransformManager::open	Select data
2026-03-05 03:28:07	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:28:13	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 ".".
2026-03-05 03:28:13	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05:00:21.5326 00:25:24.6496' successfully parsed
2026-03-05 03:28:13	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:28:15	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:28:15	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:28:06.717633 End time: 2026-03-05 03:28:14.911015
2026-03-05 03:28:15	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:28:15	INFO	phaseshift::::casa	##########################################
2026-03-05 03:28:15	INFO	tclean::::casa	##########################################
2026-03-05 03:28:15	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:28:15	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 )
2026-03-05 03:28:15	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:28:15	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:28:15	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:28:15	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:28:15	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:28:15	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:28:15	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:28:15	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:28:15	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:28:15	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:28:15	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:28:15	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:28:18	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:28:18	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.024836
2026-03-05 03:28:18	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:28:18	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:28:21	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:28:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:28:25	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:28:25	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:28:25	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:28:25	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:28:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:28:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:28:27	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:28:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:28:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:28:29	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:28:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:28:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:28:29	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:28:29	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:28:31	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:28:31	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:28:31	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:28:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:28:32	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:28:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:28:33	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:28:33	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:28:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:28:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:28:34	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:28:34	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:28:35	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:28:35	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:28:35	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:28:35	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:28:36	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:28:37	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:28:38	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:28:14.970678 End time: 2026-03-05 03:28:38.362770
2026-03-05 03:28:38	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:28:38	INFO	tclean::::casa	##########################################
2026-03-05 03:28:38	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:28:38	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:28:38	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)
2026-03-05 03:28:38	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:28:38	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:28:38 2026******
2026-03-05 03:28:38	INFO	ImageFitter::fit+	
2026-03-05 03:28:38	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:28:38	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:28:38	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:28:38	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:28:38	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:28:38	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:28:38	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:28:38	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:28:38	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:28:38	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:28:38	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)
2026-03-05 03:28:38	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116907 Jy
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012652 Jy
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000038 +/- 0.000777 arcsec
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999939 +/- 0.000127 pixels
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999957 +/- 0.000097 pixels
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:28:38	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:28:38	INFO	imstat::::casa	##########################################
2026-03-05 03:28:38	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:28:38	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 )
2026-03-05 03:28:38	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:28:38	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:28:38	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:28:38	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:28:38	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:28:38	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)
2026-03-05 03:28:38	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:28:38	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:28:38	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:28:38	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:28:38	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-03-05 03:28:38	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-03-05 03:28:38	INFO	imstat::::	Values --- 
2026-03-05 03:28:38	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:28:38	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:28:38	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:28:38	INFO	imstat::::	         -- minimum value [min]:                    -7.78732e-05 Jy/beam
2026-03-05 03:28:38	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:28:38	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:28:38	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:28:38	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:28:38	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:28:38	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:28:38	INFO	imstat::::	Statistics --- 
2026-03-05 03:28:38	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:28:38	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:28:38	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:28:38	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:28:38	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86516e-05 Jy/beam
2026-03-05 03:28:38	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73802e-05 Jy/beam
2026-03-05 03:28:38	INFO	imstat::::	        -- IQR [quartile]:                          3.56959e-05 Jy/beam
2026-03-05 03:28:38	INFO	imstat::::	        -- First quartile [q1]:                     -3.45348e-05 Jy/beam
2026-03-05 03:28:38	INFO	imstat::::	        -- Third quartile [q3]:                     1.16101e-06 Jy/beam
2026-03-05 03:28:38	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:28:38	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:28:38	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:28:38	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:28:38	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:28:38	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:28:38	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
2026-03-05 03:28:38	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:28:38.443700 End time: 2026-03-05 03:28:38.471527
2026-03-05 03:28:38	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:28:38	INFO	imstat::::casa	##########################################
2026-03-05 03:28:38	INFO	phaseshift::::casa	##########################################
2026-03-05 03:28:38	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:28:38	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 6.352706472deg' )
2026-03-05 03:28:39	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:28:39	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:28:39	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:28:39	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:28:39	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:28:39	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:28:39	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:28:39	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:28:39	INFO	MSTransformManager::open	Select data
2026-03-05 03:28:39	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:28:45	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:28:45	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05:00:21.5326 6.352706472deg' successfully parsed
2026-03-05 03:28:45	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:28:47	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:28:47	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:28:38.489757 End time: 2026-03-05 03:28:46.705141
2026-03-05 03:28:47	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:28:47	INFO	phaseshift::::casa	##########################################
2026-03-05 03:28:47	INFO	tclean::::casa	##########################################
2026-03-05 03:28:47	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:28:47	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 )
2026-03-05 03:28:47	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:28:47	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:28:47	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:28:47	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:28:47	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:28:47	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:28:47	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:28:47	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:28:47	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:28:47	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:28:47	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:28:47	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:28:48	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:28:48	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027281
2026-03-05 03:28:48	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:28:48	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:28:49	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:28:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:28:52	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:28:53	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:28:53	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:28:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:28:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:28:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:28:54	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:28:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:28:56	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:28:56	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:28:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:28:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:28:56	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:28:56	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:28:58	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:28:58	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:28:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:29:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:29:00	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:29:00	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:29:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:29:01	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:29:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:29:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:29:02	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:29:02	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:29:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:29:03	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:29:03	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:29:03	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:29:04	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:29:05	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:29:07	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:28:46.764202 End time: 2026-03-05 03:29:06.875393
2026-03-05 03:29:07	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:29:07	INFO	tclean::::casa	##########################################
2026-03-05 03:29:07	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:29:07	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:29:07	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)
2026-03-05 03:29:07	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:29:07	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:29:07 2026******
2026-03-05 03:29:07	INFO	ImageFitter::fit+	
2026-03-05 03:29:07	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:29:07	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:29:07	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:29:07	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:29:07	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:29:07	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:29:07	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:29:07	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:29:07	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:29:07	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:29:07	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-03-05 03:29:07	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116872 Jy
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126486 Jy
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:29:07	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:29:07	INFO	imstat::::casa	##########################################
2026-03-05 03:29:07	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:29:07	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 )
2026-03-05 03:29:07	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:29:07	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:29:07	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:29:07	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:29:07	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:29:07	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)
2026-03-05 03:29:07	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:29:07	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:29:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:29:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:29:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:29:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:29:07	INFO	imstat::::	Values --- 
2026-03-05 03:29:07	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:29:07	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:29:07	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:29:07	INFO	imstat::::	         -- minimum value [min]:                    -7.7777e-05 Jy/beam
2026-03-05 03:29:07	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:29:07	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:29:07	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:29:07	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:29:07	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:29:07	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:29:07	INFO	imstat::::	Statistics --- 
2026-03-05 03:29:07	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:29:07	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:29:07	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:29:07	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:29:07	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86705e-05 Jy/beam
2026-03-05 03:29:07	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.7361e-05 Jy/beam
2026-03-05 03:29:07	INFO	imstat::::	        -- IQR [quartile]:                          3.56027e-05 Jy/beam
2026-03-05 03:29:07	INFO	imstat::::	        -- First quartile [q1]:                     -3.45074e-05 Jy/beam
2026-03-05 03:29:07	INFO	imstat::::	        -- Third quartile [q3]:                     1.09529e-06 Jy/beam
2026-03-05 03:29:07	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:29:07	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:29:07	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:29:07	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:29:07	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:29:07	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:29:07	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
2026-03-05 03:29:07	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:29:06.951354 End time: 2026-03-05 03:29:06.977804
2026-03-05 03:29:07	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:29:07	INFO	imstat::::casa	##########################################
2026-03-05 03:29:07	INFO	phaseshift::::casa	##########################################
2026-03-05 03:29:07	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:29:07	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 0.110875644rad' )
2026-03-05 03:29:07	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:29:07	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:29:07	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:29:07	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:29:07	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:29:07	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:29:07	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:29:07	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:29:07	INFO	MSTransformManager::open	Select data
2026-03-05 03:29:07	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:29:13	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:29:13	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 05:00:21.5326 0.110875644rad' successfully parsed
2026-03-05 03:29:13	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:29:15	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:29:15	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:29:06.994708 End time: 2026-03-05 03:29:15.235936
2026-03-05 03:29:15	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:29:15	INFO	phaseshift::::casa	##########################################
2026-03-05 03:29:15	INFO	tclean::::casa	##########################################
2026-03-05 03:29:15	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:29:15	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 )
2026-03-05 03:29:15	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:29:15	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:29:15	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:29:15	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:29:15	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:29:15	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:29:15	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:29:15	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:29:15	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:29:15	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:29:15	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:29:15	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:29:18	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:29:19	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027795
2026-03-05 03:29:19	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:29:19	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:29:20	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:29:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:29:24	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:29:24	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:29:24	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:29:24	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:29:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:29:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:29:25	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:29:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:29:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:29:26	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:29:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:29:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:29:27	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:29:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:29:28	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:29:28	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:29:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:29:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:29:29	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:29:29	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:29:31	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:29:31	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:29:31	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:29:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:29:32	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:29:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:29:33	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:29:33	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:29:33	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:29:33	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:29:35	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:29:35	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:29:37	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:29:15.291193 End time: 2026-03-05 03:29:37.297725
2026-03-05 03:29:37	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:29:37	INFO	tclean::::casa	##########################################
2026-03-05 03:29:37	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:29:37	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:29:37	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)
2026-03-05 03:29:37	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:29:37	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:29:37 2026******
2026-03-05 03:29:37	INFO	ImageFitter::fit+	
2026-03-05 03:29:37	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:29:37	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:29:37	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:29:37	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:29:37	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:29:37	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:29:37	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:29:37	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:29:37	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:29:37	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:29:37	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)
2026-03-05 03:29:37	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000012 +/- 0.000127 pixels
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:29:37	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:29:37	INFO	imstat::::casa	##########################################
2026-03-05 03:29:37	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:29:37	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 )
2026-03-05 03:29:37	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:29:37	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:29:37	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:29:37	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:29:37	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:29:37	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)
2026-03-05 03:29:37	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:29:37	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:29:37	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:29:37	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:29:37	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:29:37	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:29:37	INFO	imstat::::	Values --- 
2026-03-05 03:29:37	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:29:37	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:29:37	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:29:37	INFO	imstat::::	         -- minimum value [min]:                    -7.77849e-05 Jy/beam
2026-03-05 03:29:37	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:29:37	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-03-05 03:29:37	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:29:37	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-03-05 03:29:37	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:29:37	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:29:37	INFO	imstat::::	Statistics --- 
2026-03-05 03:29:37	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:29:37	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:29:37	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:29:37	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:29:37	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86722e-05 Jy/beam
2026-03-05 03:29:37	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73549e-05 Jy/beam
2026-03-05 03:29:37	INFO	imstat::::	        -- IQR [quartile]:                          3.56016e-05 Jy/beam
2026-03-05 03:29:37	INFO	imstat::::	        -- First quartile [q1]:                     -3.45087e-05 Jy/beam
2026-03-05 03:29:37	INFO	imstat::::	        -- Third quartile [q3]:                     1.0929e-06 Jy/beam
2026-03-05 03:29:37	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:29:37	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:29:37	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:29:37	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:29:37	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:29:37	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:29:37	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
2026-03-05 03:29:37	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:29:37.380729 End time: 2026-03-05 03:29:37.418510
2026-03-05 03:29:37	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:29:37	INFO	imstat::::casa	##########################################
2026-03-05 03:29:37	INFO	phaseshift::::casa	##########################################
2026-03-05 03:29:37	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:29:37	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 75.089719167deg +006d21m09.7433' )
2026-03-05 03:29:37	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:29:37	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:29:37	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:29:37	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:29:37	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:29:37	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:29:37	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:29:37	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:29:37	INFO	MSTransformManager::open	Select data
2026-03-05 03:29:37	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:29:41	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:29:41	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 75.089719167deg +006d21m09.7433' successfully parsed
2026-03-05 03:29:41	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:29:43	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:29:43	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:29:37.434188 End time: 2026-03-05 03:29:43.074563
2026-03-05 03:29:43	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:29:43	INFO	phaseshift::::casa	##########################################
2026-03-05 03:29:43	INFO	tclean::::casa	##########################################
2026-03-05 03:29:43	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:29:43	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 )
2026-03-05 03:29:43	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:29:43	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:29:43	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:29:43	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:29:43	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:29:43	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:29:43	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:29:43	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:29:43	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:29:43	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:29:43	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:29:43	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:29:45	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:29:45	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.025261
2026-03-05 03:29:45	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:29:45	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:29:46	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:29:47	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:29:48	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:29:49	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:29:49	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:29:49	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:29:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:29:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:29:50	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:29:50	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:29:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:29:51	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:29:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:29:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:29:51	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:29:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:29:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:29:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:29:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:29:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:29:53	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:29:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:29:56	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:29:56	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:29:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:29:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:29:57	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:29:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:29:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:29:59	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:29:59	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:29:59	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:30:00	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:30:01	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:30:03	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:29:43.133301 End time: 2026-03-05 03:30:02.784091
2026-03-05 03:30:03	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:30:03	INFO	tclean::::casa	##########################################
2026-03-05 03:30:03	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:30:03	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:30:03	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)
2026-03-05 03:30:03	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:30:03	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:30:03 2026******
2026-03-05 03:30:03	INFO	ImageFitter::fit+	
2026-03-05 03:30:03	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:30:03	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:30:03	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:30:03	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:30:03	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:30:03	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:30:03	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:30:03	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:30:03	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:30:03	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:30:03	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)
2026-03-05 03:30:03	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116867 Jy
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126483 Jy
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999996 +/- 0.000097 pixels
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:30:03	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:30:03	INFO	imstat::::casa	##########################################
2026-03-05 03:30:03	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:30:03	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 )
2026-03-05 03:30:03	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:30:03	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:30:03	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:30:03	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:30:03	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:30:03	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)
2026-03-05 03:30:03	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:30:03	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:30:03	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:30:03	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:30:03	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:30:03	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:30:03	INFO	imstat::::	Values --- 
2026-03-05 03:30:03	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:30:03	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:30:03	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:30:03	INFO	imstat::::	         -- minimum value [min]:                    -7.77768e-05 Jy/beam
2026-03-05 03:30:03	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:30:03	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:30:03	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:30:03	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:30:03	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:30:03	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:30:03	INFO	imstat::::	Statistics --- 
2026-03-05 03:30:03	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:30:03	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:30:03	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:30:03	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:30:03	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86705e-05 Jy/beam
2026-03-05 03:30:03	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73609e-05 Jy/beam
2026-03-05 03:30:03	INFO	imstat::::	        -- IQR [quartile]:                          3.56013e-05 Jy/beam
2026-03-05 03:30:03	INFO	imstat::::	        -- First quartile [q1]:                     -3.4507e-05 Jy/beam
2026-03-05 03:30:03	INFO	imstat::::	        -- Third quartile [q3]:                     1.09435e-06 Jy/beam
2026-03-05 03:30:03	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:30:03	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:30:03	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:30:03	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:30:03	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:30:03	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:30:03	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
2026-03-05 03:30:03	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:30:02.864577 End time: 2026-03-05 03:30:02.892435
2026-03-05 03:30:03	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:30:03	INFO	imstat::::casa	##########################################
2026-03-05 03:30:03	INFO	phaseshift::::casa	##########################################
2026-03-05 03:30:03	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:30:03	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg 00:25:24.6496' )
2026-03-05 03:30:03	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:30:03	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:30:03	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:30:03	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:30:03	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:30:03	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:30:03	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:30:03	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:30:03	INFO	MSTransformManager::open	Select data
2026-03-05 03:30:03	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:30:09	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "00:25:24.6496" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-03-05 03:30:09	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 75.089719167deg 00:25:24.6496' successfully parsed
2026-03-05 03:30:09	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:30:10	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:30:10	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:30:02.909093 End time: 2026-03-05 03:30:10.189387
2026-03-05 03:30:10	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:30:10	INFO	phaseshift::::casa	##########################################
2026-03-05 03:30:10	INFO	tclean::::casa	##########################################
2026-03-05 03:30:10	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:30:10	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 )
2026-03-05 03:30:10	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:30:10	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:30:10	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:30:10	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:30:10	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:30:10	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:30:10	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:30:10	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:30:10	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:30:10	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:30:10	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:30:10	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:30:13	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:30:13	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022247
2026-03-05 03:30:13	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:30:13	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:30:15	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:30:17	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:30:18	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:30:18	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:30:18	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:30:18	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:30:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:30:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:30:19	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:30:19	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:30:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:30:22	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:30:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:30:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:30:23	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:30:23	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:30:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:30:26	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:30:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:30:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:30:27	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:30:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:30:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:30:29	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:30:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:30:31	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:30:31	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:30:31	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:30:34	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:30:34	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:30:34	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:30:34	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:30:36	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:30:37	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:30:41	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:30:10.234285 End time: 2026-03-05 03:30:40.792735
2026-03-05 03:30:41	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:30:41	INFO	tclean::::casa	##########################################
2026-03-05 03:30:41	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:30:41	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:30:41	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)
2026-03-05 03:30:41	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:30:41	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:30:41 2026******
2026-03-05 03:30:41	INFO	ImageFitter::fit+	
2026-03-05 03:30:41	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:30:41	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:30:41	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:30:41	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:30:41	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:30:41	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:30:41	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:30:41	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:30:41	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:30:41	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:30:41	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)
2026-03-05 03:30:41	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116903 Jy
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126517 Jy
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000038 +/- 0.000777 arcsec
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999939 +/- 0.000127 pixels
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999957 +/- 0.000097 pixels
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:30:41	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:30:41	INFO	imstat::::casa	##########################################
2026-03-05 03:30:41	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:30:41	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 )
2026-03-05 03:30:41	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:30:41	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:30:41	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:30:41	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:30:41	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:30:41	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)
2026-03-05 03:30:41	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:30:41	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:30:41	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:30:41	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:30:41	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-03-05 03:30:41	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-03-05 03:30:41	INFO	imstat::::	Values --- 
2026-03-05 03:30:41	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:30:41	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:30:41	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:30:41	INFO	imstat::::	         -- minimum value [min]:                    -7.78731e-05 Jy/beam
2026-03-05 03:30:41	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:30:41	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:30:41	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:30:41	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:30:41	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:30:41	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:30:41	INFO	imstat::::	Statistics --- 
2026-03-05 03:30:41	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:30:41	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:30:41	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:30:41	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:30:41	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86503e-05 Jy/beam
2026-03-05 03:30:41	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73798e-05 Jy/beam
2026-03-05 03:30:41	INFO	imstat::::	        -- IQR [quartile]:                          3.56966e-05 Jy/beam
2026-03-05 03:30:41	INFO	imstat::::	        -- First quartile [q1]:                     -3.45352e-05 Jy/beam
2026-03-05 03:30:41	INFO	imstat::::	        -- Third quartile [q3]:                     1.16146e-06 Jy/beam
2026-03-05 03:30:41	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:30:41	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:30:41	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:30:41	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:30:41	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:30:41	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:30:41	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
2026-03-05 03:30:41	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:30:40.871258 End time: 2026-03-05 03:30:40.898307
2026-03-05 03:30:41	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:30:41	INFO	imstat::::casa	##########################################
2026-03-05 03:30:41	INFO	phaseshift::::casa	##########################################
2026-03-05 03:30:41	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:30:41	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 75.089719167deg 6.352706472deg' )
2026-03-05 03:30:41	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:30:41	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:30:41	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:30:41	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:30:41	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:30:41	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:30:41	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:30:41	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:30:41	INFO	MSTransformManager::open	Select data
2026-03-05 03:30:41	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:30:49	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:30:49	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 75.089719167deg 6.352706472deg' successfully parsed
2026-03-05 03:30:49	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:30:52	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:30:52	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:30:40.915106 End time: 2026-03-05 03:30:51.913516
2026-03-05 03:30:52	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:30:52	INFO	phaseshift::::casa	##########################################
2026-03-05 03:30:52	INFO	tclean::::casa	##########################################
2026-03-05 03:30:52	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:30:52	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 )
2026-03-05 03:30:52	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:30:52	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:30:52	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:30:52	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:30:52	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:30:52	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:30:52	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:30:52	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:30:52	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:30:52	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:30:52	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:30:52	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:30:56	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:30:56	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027784
2026-03-05 03:30:56	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:30:56	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:30:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:30:58	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:30:59	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:30:59	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:30:59	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:30:59	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:30:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:31:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:31:01	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:31:02	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:31:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:31:03	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:31:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:31:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:31:03	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:31:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:31:05	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:31:05	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:31:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:31:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:31:06	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:31:06	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:31:07	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:31:07	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:31:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:31:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:31:07	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:31:07	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:31:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:31:08	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:31:08	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:31:08	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:31:10	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:31:11	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:31:15	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:30:51.969336 End time: 2026-03-05 03:31:15.260131
2026-03-05 03:31:15	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:31:15	INFO	tclean::::casa	##########################################
2026-03-05 03:31:15	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:31:15	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:31:15	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)
2026-03-05 03:31:15	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:31:15	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:31:15 2026******
2026-03-05 03:31:15	INFO	ImageFitter::fit+	
2026-03-05 03:31:15	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:31:15	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:31:15	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:31:15	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:31:15	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:31:15	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:31:15	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:31:15	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:31:15	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:31:15	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:31:15	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)
2026-03-05 03:31:15	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.00011687 Jy
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000005 +/- 0.000127 pixels
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999996 +/- 0.000097 pixels
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:31:15	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:31:15	INFO	imstat::::casa	##########################################
2026-03-05 03:31:15	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:31:15	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 )
2026-03-05 03:31:15	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:31:15	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:31:15	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:31:15	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:31:15	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:31:15	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)
2026-03-05 03:31:15	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:31:15	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:31:15	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:31:15	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:31:15	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:31:15	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:31:15	INFO	imstat::::	Values --- 
2026-03-05 03:31:15	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:31:15	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:31:15	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:31:15	INFO	imstat::::	         -- minimum value [min]:                    -7.77771e-05 Jy/beam
2026-03-05 03:31:15	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:31:15	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:31:15	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:31:15	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:31:15	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:31:15	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:31:15	INFO	imstat::::	Statistics --- 
2026-03-05 03:31:15	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:31:15	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:31:15	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:31:15	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:31:15	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86715e-05 Jy/beam
2026-03-05 03:31:15	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73619e-05 Jy/beam
2026-03-05 03:31:15	INFO	imstat::::	        -- IQR [quartile]:                          3.56021e-05 Jy/beam
2026-03-05 03:31:15	INFO	imstat::::	        -- First quartile [q1]:                     -3.45061e-05 Jy/beam
2026-03-05 03:31:15	INFO	imstat::::	        -- Third quartile [q3]:                     1.09605e-06 Jy/beam
2026-03-05 03:31:15	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:31:15	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:31:15	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:31:15	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:31:15	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:31:15	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:31:15	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
2026-03-05 03:31:15	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:31:15.342564 End time: 2026-03-05 03:31:15.370201
2026-03-05 03:31:15	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:31:15	INFO	imstat::::casa	##########################################
2026-03-05 03:31:15	INFO	phaseshift::::casa	##########################################
2026-03-05 03:31:15	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:31:15	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg 0.110875644rad' )
2026-03-05 03:31:15	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:31:15	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:31:15	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:31:15	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:31:15	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:31:15	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:31:15	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:31:15	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:31:15	INFO	MSTransformManager::open	Select data
2026-03-05 03:31:15	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:31:21	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:31:21	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 75.089719167deg 0.110875644rad' successfully parsed
2026-03-05 03:31:21	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:31:23	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:31:23	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:31:15.387409 End time: 2026-03-05 03:31:22.949774
2026-03-05 03:31:23	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:31:23	INFO	phaseshift::::casa	##########################################
2026-03-05 03:31:23	INFO	tclean::::casa	##########################################
2026-03-05 03:31:23	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:31:23	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 )
2026-03-05 03:31:23	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:31:23	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:31:23	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:31:23	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:31:23	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:31:23	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:31:23	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:31:23	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:31:23	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:31:23	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:31:23	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:31:23	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:31:29	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:31:29	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.02777
2026-03-05 03:31:29	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:31:29	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:31:33	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:31:35	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:31:36	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:31:36	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:31:36	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:31:36	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:31:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:31:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:31:38	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:31:38	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:31:40	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:31:40	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:31:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:31:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:31:41	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:31:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:31:43	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:31:43	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:31:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:31:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:31:44	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:31:44	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:31:47	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:31:47	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:31:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:31:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:31:48	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:31:48	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:31:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:31:49	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:31:49	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:31:49	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:31:50	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:31:50	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:31:52	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:31:23.005655 End time: 2026-03-05 03:31:52.198470
2026-03-05 03:31:52	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:31:52	INFO	tclean::::casa	##########################################
2026-03-05 03:31:52	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:31:52	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:31:52	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)
2026-03-05 03:31:52	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:31:52	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:31:52 2026******
2026-03-05 03:31:52	INFO	ImageFitter::fit+	
2026-03-05 03:31:52	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:31:52	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:31:52	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:31:52	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:31:52	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:31:52	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:31:52	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:31:52	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:31:52	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:31:52	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:31:52	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)
2026-03-05 03:31:52	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116868 Jy
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126482 Jy
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000000 +/- 0.000777 arcsec
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000012 +/- 0.000127 pixels
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	       --- dec: 128.000001 +/- 0.000097 pixels
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:31:52	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:31:52	INFO	imstat::::casa	##########################################
2026-03-05 03:31:52	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:31:52	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 )
2026-03-05 03:31:52	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:31:52	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:31:52	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:31:52	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:31:52	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:31:52	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)
2026-03-05 03:31:52	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:31:52	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:31:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:31:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:31:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:31:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:31:52	INFO	imstat::::	Values --- 
2026-03-05 03:31:52	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:31:52	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:31:52	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:31:52	INFO	imstat::::	         -- minimum value [min]:                    -7.77855e-05 Jy/beam
2026-03-05 03:31:52	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:31:52	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-03-05 03:31:52	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:31:52	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-03-05 03:31:52	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:31:52	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:31:52	INFO	imstat::::	Statistics --- 
2026-03-05 03:31:52	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:31:52	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:31:52	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:31:52	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:31:52	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86732e-05 Jy/beam
2026-03-05 03:31:52	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73562e-05 Jy/beam
2026-03-05 03:31:52	INFO	imstat::::	        -- IQR [quartile]:                          3.56008e-05 Jy/beam
2026-03-05 03:31:52	INFO	imstat::::	        -- First quartile [q1]:                     -3.45107e-05 Jy/beam
2026-03-05 03:31:52	INFO	imstat::::	        -- Third quartile [q3]:                     1.09015e-06 Jy/beam
2026-03-05 03:31:52	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:31:52	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:31:52	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:31:52	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:31:52	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:31:52	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:31:52	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
2026-03-05 03:31:52	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:31:52.286493 End time: 2026-03-05 03:31:52.315087
2026-03-05 03:31:52	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:31:52	INFO	imstat::::casa	##########################################
2026-03-05 03:31:52	INFO	phaseshift::::casa	##########################################
2026-03-05 03:31:52	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:31:52	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad +006d21m09.7433' )
2026-03-05 03:31:52	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:31:52	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:31:52	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:31:52	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:31:52	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:31:52	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:31:52	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:31:52	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:31:52	INFO	MSTransformManager::open	Select data
2026-03-05 03:31:52	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:31:58	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:31:58	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 1.310562834rad +006d21m09.7433' successfully parsed
2026-03-05 03:31:58	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:31:59	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:31:59	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:31:52.332758 End time: 2026-03-05 03:31:59.248321
2026-03-05 03:31:59	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:31:59	INFO	phaseshift::::casa	##########################################
2026-03-05 03:31:59	INFO	tclean::::casa	##########################################
2026-03-05 03:31:59	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:31:59	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, 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 )
2026-03-05 03:31:59	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:31:59	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:31:59	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:31:59	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:31:59	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:31:59	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:31:59	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:31:59	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:31:59	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:31:59	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:31:59	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:31:59	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:32:04	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:32:04	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027747
2026-03-05 03:32:04	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:32:04	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:32:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:32:10	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:32:11	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:32:11	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:32:11	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:32:11	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:32:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:32:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:32:12	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:32:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:32:14	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:32:14	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:32:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:32:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:32:15	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:32:15	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:32:17	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:32:17	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:32:17	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:32:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:32:18	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:32:18	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:32:20	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:32:20	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:32:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:32:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:32:21	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:32:21	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:32:22	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:32:22	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:32:22	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:32:22	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:32:23	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:32:24	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:32:26	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:31:59.301427 End time: 2026-03-05 03:32:25.854355
2026-03-05 03:32:26	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:32:26	INFO	tclean::::casa	##########################################
2026-03-05 03:32:26	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:32:26	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:32:26	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)
2026-03-05 03:32:26	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:32:26	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:32:26 2026******
2026-03-05 03:32:26	INFO	ImageFitter::fit+	
2026-03-05 03:32:26	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:32:26	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:32:26	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:32:26	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:32:26	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:32:26	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:32:26	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:32:26	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:32:26	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:32:26	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:32:26	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)
2026-03-05 03:32:26	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116872 Jy
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126488 Jy
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000006 +/- 0.000777 arcsec
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000007 +/- 0.000127 pixels
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999994 +/- 0.000097 pixels
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:32:26	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:32:26	INFO	imstat::::casa	##########################################
2026-03-05 03:32:26	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:32:26	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 )
2026-03-05 03:32:26	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:32:26	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:32:26	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:32:26	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:32:26	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:32:26	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)
2026-03-05 03:32:26	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:32:26	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:32:26	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:32:26	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:32:26	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:32:26	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:32:26	INFO	imstat::::	Values --- 
2026-03-05 03:32:26	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:32:26	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:32:26	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:32:26	INFO	imstat::::	         -- minimum value [min]:                    -7.77801e-05 Jy/beam
2026-03-05 03:32:26	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:32:26	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:32:26	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:32:26	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:32:26	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:32:26	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:32:26	INFO	imstat::::	Statistics --- 
2026-03-05 03:32:26	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:32:26	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:32:26	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:32:26	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:32:26	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86669e-05 Jy/beam
2026-03-05 03:32:26	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73635e-05 Jy/beam
2026-03-05 03:32:26	INFO	imstat::::	        -- IQR [quartile]:                          3.56081e-05 Jy/beam
2026-03-05 03:32:26	INFO	imstat::::	        -- First quartile [q1]:                     -3.45085e-05 Jy/beam
2026-03-05 03:32:26	INFO	imstat::::	        -- Third quartile [q3]:                     1.09959e-06 Jy/beam
2026-03-05 03:32:26	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:32:26	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:32:26	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:32:26	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:32:26	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:32:26	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:32:26	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
2026-03-05 03:32:26	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:32:25.932320 End time: 2026-03-05 03:32:25.959559
2026-03-05 03:32:26	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:32:26	INFO	imstat::::casa	##########################################
2026-03-05 03:32:26	INFO	phaseshift::::casa	##########################################
2026-03-05 03:32:26	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:32:26	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad 00:25:24.6496' )
2026-03-05 03:32:26	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:32:26	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:32:26	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:32:26	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:32:26	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:32:26	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:32:26	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:32:26	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:32:26	INFO	MSTransformManager::open	Select data
2026-03-05 03:32:26	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:32:30	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 ".".
2026-03-05 03:32:30	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 1.310562834rad 00:25:24.6496' successfully parsed
2026-03-05 03:32:30	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:32:31	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:32:31	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:32:25.976623 End time: 2026-03-05 03:32:31.271312
2026-03-05 03:32:31	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:32:31	INFO	phaseshift::::casa	##########################################
2026-03-05 03:32:31	INFO	tclean::::casa	##########################################
2026-03-05 03:32:31	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:32:31	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 )
2026-03-05 03:32:31	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:32:31	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:32:31	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:32:31	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:32:31	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:32:32	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:32:32	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:32:32	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:32:32	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:32:32	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:32:32	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:32:32	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:32:34	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:32:34	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.025954
2026-03-05 03:32:34	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:32:34	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:32:36	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:32:37	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:32:37	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:32:37	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:32:37	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:32:37	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:32:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:32:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:32:38	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:32:38	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:32:39	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:32:39	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:32:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:32:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:32:40	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:32:40	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:32:41	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:32:41	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:32:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:32:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:32:42	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:32:42	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:32:45	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:32:45	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:32:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:32:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:32:46	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:32:46	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:32:48	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:32:48	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:32:48	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:32:48	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:32:49	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:32:50	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:32:52	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:32:31.331228 End time: 2026-03-05 03:32:52.062168
2026-03-05 03:32:52	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:32:52	INFO	tclean::::casa	##########################################
2026-03-05 03:32:52	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:32:52	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:32:52	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)
2026-03-05 03:32:52	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:32:52	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:32:52 2026******
2026-03-05 03:32:52	INFO	ImageFitter::fit+	
2026-03-05 03:32:52	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:32:52	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:32:52	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:32:52	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:32:52	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:32:52	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:32:52	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:32:52	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:32:52	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:32:52	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:32:52	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)
2026-03-05 03:32:52	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116905 Jy
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.00012652 Jy
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000041 +/- 0.000777 arcsec
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999941 +/- 0.000127 pixels
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999954 +/- 0.000097 pixels
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:32:52	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:32:52	INFO	imstat::::casa	##########################################
2026-03-05 03:32:52	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:32:52	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 )
2026-03-05 03:32:52	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:32:52	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:32:52	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:32:52	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:32:52	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:32:52	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)
2026-03-05 03:32:52	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:32:52	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:32:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:32:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:32:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-03-05 03:32:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-03-05 03:32:52	INFO	imstat::::	Values --- 
2026-03-05 03:32:52	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:32:52	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:32:52	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:32:52	INFO	imstat::::	         -- minimum value [min]:                    -7.78774e-05 Jy/beam
2026-03-05 03:32:52	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:32:52	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:32:52	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:32:52	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:32:52	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:32:52	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:32:52	INFO	imstat::::	Statistics --- 
2026-03-05 03:32:52	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:32:52	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:32:52	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:32:52	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:32:52	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86532e-05 Jy/beam
2026-03-05 03:32:52	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73779e-05 Jy/beam
2026-03-05 03:32:52	INFO	imstat::::	        -- IQR [quartile]:                          3.5701e-05 Jy/beam
2026-03-05 03:32:52	INFO	imstat::::	        -- First quartile [q1]:                     -3.45356e-05 Jy/beam
2026-03-05 03:32:52	INFO	imstat::::	        -- Third quartile [q3]:                     1.16544e-06 Jy/beam
2026-03-05 03:32:52	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:32:52	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:32:52	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:32:52	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:32:52	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:32:52	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:32:52	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
2026-03-05 03:32:52	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:32:52.139763 End time: 2026-03-05 03:32:52.166530
2026-03-05 03:32:52	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:32:52	INFO	imstat::::casa	##########################################
2026-03-05 03:32:52	INFO	phaseshift::::casa	##########################################
2026-03-05 03:32:52	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:32:52	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad 6.352706472deg' )
2026-03-05 03:32:52	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:32:52	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:32:52	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:32:52	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:32:52	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:32:52	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:32:52	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:32:52	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:32:52	INFO	MSTransformManager::open	Select data
2026-03-05 03:32:52	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:32:58	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:32:58	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 1.310562834rad 6.352706472deg' successfully parsed
2026-03-05 03:32:58	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:32:59	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:32:59	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:32:52.183842 End time: 2026-03-05 03:32:59.448156
2026-03-05 03:32:59	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:32:59	INFO	phaseshift::::casa	##########################################
2026-03-05 03:33:00	INFO	tclean::::casa	##########################################
2026-03-05 03:33:00	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:33:00	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 )
2026-03-05 03:33:00	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:33:00	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:33:00	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:33:00	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:33:00	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:33:00	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:33:00	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:33:00	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:33:00	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:33:00	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:33:00	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:33:00	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:33:01	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:33:01	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.025421
2026-03-05 03:33:01	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:33:02	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:33:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:33:04	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:33:05	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:33:05	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:33:05	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:33:05	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:33:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:33:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:33:07	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:33:07	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:33:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:33:08	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:33:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:33:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:33:09	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:33:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:33:11	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:33:11	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:33:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:33:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:33:12	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:33:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:33:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:33:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:33:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:33:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:33:14	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:33:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:33:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:33:15	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:33:15	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:33:15	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:33:16	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:33:17	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:33:20	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:32:59.507947 End time: 2026-03-05 03:33:19.626220
2026-03-05 03:33:20	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:33:20	INFO	tclean::::casa	##########################################
2026-03-05 03:33:20	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:33:20	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:33:20	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-03-05 03:33:20	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:33:20	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:33:20 2026******
2026-03-05 03:33:20	INFO	ImageFitter::fit+	
2026-03-05 03:33:20	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:33:20	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:33:20	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:33:20	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:33:20	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:33:20	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:33:20	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:33:20	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:33:20	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:33:20	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:33:20	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-03-05 03:33:20	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116868 Jy
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000006 +/- 0.000777 arcsec
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000007 +/- 0.000127 pixels
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999994 +/- 0.000097 pixels
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:33:20	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:33:20	INFO	imstat::::casa	##########################################
2026-03-05 03:33:20	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:33:20	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-03-05 03:33:20	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:33:20	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:33:20	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:33:20	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:33:20	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:33:20	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-03-05 03:33:20	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:33:20	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:33:20	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:33:20	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:33:20	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:33:20	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:33:20	INFO	imstat::::	Values --- 
2026-03-05 03:33:20	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:33:20	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:33:20	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:33:20	INFO	imstat::::	         -- minimum value [min]:                    -7.77798e-05 Jy/beam
2026-03-05 03:33:20	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:33:20	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:33:20	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:33:20	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:33:20	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:33:20	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:33:20	INFO	imstat::::	Statistics --- 
2026-03-05 03:33:20	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:33:20	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:33:20	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:33:20	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:33:20	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86675e-05 Jy/beam
2026-03-05 03:33:20	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73645e-05 Jy/beam
2026-03-05 03:33:20	INFO	imstat::::	        -- IQR [quartile]:                          3.56077e-05 Jy/beam
2026-03-05 03:33:20	INFO	imstat::::	        -- First quartile [q1]:                     -3.45073e-05 Jy/beam
2026-03-05 03:33:20	INFO	imstat::::	        -- Third quartile [q3]:                     1.1004e-06 Jy/beam
2026-03-05 03:33:20	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:33:20	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:33:20	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:33:20	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:33:20	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:33:20	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:33:20	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
2026-03-05 03:33:20	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:33:19.706842 End time: 2026-03-05 03:33:19.748066
2026-03-05 03:33:20	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:33:20	INFO	imstat::::casa	##########################################
2026-03-05 03:33:20	INFO	phaseshift::::casa	##########################################
2026-03-05 03:33:20	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:33:20	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad 0.110875644rad' )
2026-03-05 03:33:20	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:33:20	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:33:20	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:33:20	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:33:20	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:33:20	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:33:20	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:33:20	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:33:20	INFO	MSTransformManager::open	Select data
2026-03-05 03:33:20	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:33:26	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:33:26	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'GALACTIC 1.310562834rad 0.110875644rad' successfully parsed
2026-03-05 03:33:26	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:33:28	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:33:28	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:33:19.764027 End time: 2026-03-05 03:33:28.244873
2026-03-05 03:33:28	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:33:28	INFO	phaseshift::::casa	##########################################
2026-03-05 03:33:28	INFO	tclean::::casa	##########################################
2026-03-05 03:33:28	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:33:28	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 )
2026-03-05 03:33:28	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:33:28	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:33:28	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:33:28	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:33:28	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:33:28	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:33:28	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:33:28	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:33:28	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:33:28	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:33:28	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:33:28	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:33:30	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:33:31	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.016695
2026-03-05 03:33:31	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:33:31	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:33:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:33:34	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:33:34	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:33:34	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:33:34	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:33:34	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:33:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:33:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:33:35	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:33:35	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:33:37	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:33:37	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:33:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:33:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:33:37	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:33:37	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:33:38	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:33:38	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:33:38	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:33:39	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:33:39	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:33:39	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:33:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:33:42	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:33:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:33:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:33:43	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:33:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:33:46	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:33:46	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:33:46	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:33:46	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:33:48	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:33:49	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:33:52	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:33:28.303803 End time: 2026-03-05 03:33:52.043153
2026-03-05 03:33:52	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:33:52	INFO	tclean::::casa	##########################################
2026-03-05 03:33:52	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:33:52	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:33:52	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)
2026-03-05 03:33:52	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:33:52	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:33:52 2026******
2026-03-05 03:33:52	INFO	ImageFitter::fit+	
2026-03-05 03:33:52	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:33:52	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:33:52	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:33:52	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:33:52	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:33:52	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:33:52	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:33:52	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:33:52	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:33:52	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:33:52	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)
2026-03-05 03:33:52	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126484 Jy
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000002 +/- 0.000777 arcsec
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000014 +/- 0.000127 pixels
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999998 +/- 0.000097 pixels
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:33:52	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:33:52	INFO	imstat::::casa	##########################################
2026-03-05 03:33:52	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:33:52	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 )
2026-03-05 03:33:52	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:33:52	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:33:52	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:33:52	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:33:52	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:33:52	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)
2026-03-05 03:33:52	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:33:52	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:33:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:33:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:33:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:33:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:33:52	INFO	imstat::::	Values --- 
2026-03-05 03:33:52	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:33:52	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:33:52	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:33:52	INFO	imstat::::	         -- minimum value [min]:                    -7.77816e-05 Jy/beam
2026-03-05 03:33:52	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:33:52	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-03-05 03:33:52	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:33:52	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-03-05 03:33:52	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:33:52	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:33:52	INFO	imstat::::	Statistics --- 
2026-03-05 03:33:52	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:33:52	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:33:52	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:33:52	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:33:52	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.8676e-05 Jy/beam
2026-03-05 03:33:52	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73584e-05 Jy/beam
2026-03-05 03:33:52	INFO	imstat::::	        -- IQR [quartile]:                          3.56038e-05 Jy/beam
2026-03-05 03:33:52	INFO	imstat::::	        -- First quartile [q1]:                     -3.45104e-05 Jy/beam
2026-03-05 03:33:52	INFO	imstat::::	        -- Third quartile [q3]:                     1.09331e-06 Jy/beam
2026-03-05 03:33:52	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:33:52	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:33:52	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:33:52	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:33:52	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:33:52	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:33:52	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
2026-03-05 03:33:52	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:33:52.123614 End time: 2026-03-05 03:33:52.152331
2026-03-05 03:33:52	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:33:52	INFO	imstat::::casa	##########################################
2026-03-05 03:33:52	INFO	phaseshift::::casa	##########################################
2026-03-05 03:33:52	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:33:52	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 19h52m05.65239 39d58m05.8512' )
2026-03-05 03:33:52	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:33:52	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:33:52	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:33:52	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:33:52	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:33:52	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:33:52	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:33:52	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:33:52	INFO	MSTransformManager::open	Select data
2026-03-05 03:33:52	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:33:56	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:33:56	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19h52m05.65239 39d58m05.8512' successfully parsed
2026-03-05 03:33:56	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:33:57	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:33:57	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:33:52.170194 End time: 2026-03-05 03:33:56.758916
2026-03-05 03:33:57	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:33:57	INFO	phaseshift::::casa	##########################################
2026-03-05 03:33:57	INFO	tclean::::casa	##########################################
2026-03-05 03:33:57	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:33:57	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-03-05 03:33:57	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:33:57	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:33:57	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:33:57	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:33:57	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:33:57	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:33:57	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:33:57	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:33:57	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:33:57	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:33:57	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:33:57	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:33:58	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:33:58	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.023459
2026-03-05 03:33:58	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:33:58	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:33:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:33:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:34:00	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:34:00	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:34:00	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:34:00	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:34:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:34:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:34:01	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:34:01	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:34:02	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:34:02	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:34:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:34:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:34:03	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:34:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:34:04	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:34:04	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:34:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:34:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:34:04	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:34:04	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:34:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:34:06	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:34:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:34:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:34:07	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:34:07	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:34:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:34:08	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:34:08	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:34:08	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:34:10	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:34:11	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:34:12	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:33:56.806166 End time: 2026-03-05 03:34:12.209007
2026-03-05 03:34:12	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:34:12	INFO	tclean::::casa	##########################################
2026-03-05 03:34:12	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:34:12	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:34:12	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-03-05 03:34:12	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:34:12	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:34:12 2026******
2026-03-05 03:34:12	INFO	ImageFitter::fit+	
2026-03-05 03:34:12	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:34:12	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:34:12	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:34:12	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:34:12	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:34:12	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:34:12	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:34:12	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:34:12	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:34:12	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:34:12	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-03-05 03:34:12	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000004 +/- 0.000777 arcsec
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:34:12	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:34:12	INFO	imstat::::casa	##########################################
2026-03-05 03:34:12	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:34:12	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-03-05 03:34:12	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:34:12	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:34:12	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:34:12	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:34:12	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:34:12	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)
2026-03-05 03:34:12	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:34:12	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:34:12	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:34:12	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:34:12	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:34:12	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:34:12	INFO	imstat::::	Values --- 
2026-03-05 03:34:12	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:34:12	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:34:12	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:34:12	INFO	imstat::::	         -- minimum value [min]:                    -7.77826e-05 Jy/beam
2026-03-05 03:34:12	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:34:12	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:34:12	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:34:12	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:34:12	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:34:12	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:34:12	INFO	imstat::::	Statistics --- 
2026-03-05 03:34:12	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:34:12	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:34:12	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:34:12	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:34:12	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86649e-05 Jy/beam
2026-03-05 03:34:12	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam
2026-03-05 03:34:12	INFO	imstat::::	        -- IQR [quartile]:                          3.56026e-05 Jy/beam
2026-03-05 03:34:12	INFO	imstat::::	        -- First quartile [q1]:                     -3.45067e-05 Jy/beam
2026-03-05 03:34:12	INFO	imstat::::	        -- Third quartile [q3]:                     1.09593e-06 Jy/beam
2026-03-05 03:34:12	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:34:12	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:34:12	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:34:12	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:34:12	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:34:12	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:34:12	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
2026-03-05 03:34:12	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:34:12.284841 End time: 2026-03-05 03:34:12.318644
2026-03-05 03:34:12	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:34:12	INFO	imstat::::casa	##########################################
2026-03-05 03:34:12	INFO	phaseshift::::casa	##########################################
2026-03-05 03:34:12	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:34:12	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 02:39:52.3901' )
2026-03-05 03:34:12	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:34:12	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:34:12	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:34:12	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:34:12	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:34:12	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:34:12	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:34:12	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:34:12	INFO	MSTransformManager::open	Select data
2026-03-05 03:34:12	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:34:20	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "02:39:52.3901" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-03-05 03:34:20	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19h52m05.65239 02:39:52.3901' successfully parsed
2026-03-05 03:34:20	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:34:22	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:34:22	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:34:12.334415 End time: 2026-03-05 03:34:22.129657
2026-03-05 03:34:22	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:34:22	INFO	phaseshift::::casa	##########################################
2026-03-05 03:34:22	INFO	tclean::::casa	##########################################
2026-03-05 03:34:22	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:34:22	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 )
2026-03-05 03:34:22	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:34:22	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:34:22	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:34:22	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:34:22	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:34:22	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:34:22	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:34:22	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:34:22	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:34:22	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:34:22	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:34:22	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:34:24	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:34:24	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.028044
2026-03-05 03:34:24	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:34:24	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:34:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:34:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:34:27	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:34:28	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:34:28	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:34:28	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:34:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:34:29	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:34:29	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:34:29	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:34:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:34:30	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:34:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:34:31	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:34:31	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:34:31	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:34:34	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:34:34	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:34:34	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:34:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:34:35	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:34:35	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:34:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:34:36	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:34:36	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:34:37	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:34:37	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:34:37	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:34:40	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:34:40	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:34:40	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:34:40	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:34:42	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:34:42	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:34:44	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:34:22.185459 End time: 2026-03-05 03:34:44.402438
2026-03-05 03:34:44	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:34:44	INFO	tclean::::casa	##########################################
2026-03-05 03:34:44	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:34:44	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:34:44	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-03-05 03:34:44	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:34:44	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:34:44 2026******
2026-03-05 03:34:44	INFO	ImageFitter::fit+	
2026-03-05 03:34:44	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:34:44	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:34:44	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:34:44	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:34:44	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:34:44	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:34:44	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:34:44	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:34:44	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:34:44	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:34:44	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-03-05 03:34:44	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.00011688 Jy
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126496 Jy
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000034 +/- 0.000777 arcsec
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999963 +/- 0.000097 pixels
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:34:44	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:34:44	INFO	imstat::::casa	##########################################
2026-03-05 03:34:44	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:34:44	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-03-05 03:34:44	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:34:44	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:34:44	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:34:44	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:34:44	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:34:44	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)
2026-03-05 03:34:44	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:34:44	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:34:44	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:34:44	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:34:44	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-03-05 03:34:44	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-03-05 03:34:45	INFO	imstat::::	Values --- 
2026-03-05 03:34:45	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:34:45	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:34:45	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:34:45	INFO	imstat::::	         -- minimum value [min]:                    -7.78225e-05 Jy/beam
2026-03-05 03:34:45	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:34:45	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:34:45	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:34:45	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:34:45	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:34:45	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:34:45	INFO	imstat::::	Statistics --- 
2026-03-05 03:34:45	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:34:45	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:34:45	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:34:45	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:34:45	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86781e-05 Jy/beam
2026-03-05 03:34:45	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73751e-05 Jy/beam
2026-03-05 03:34:45	INFO	imstat::::	        -- IQR [quartile]:                          3.56365e-05 Jy/beam
2026-03-05 03:34:45	INFO	imstat::::	        -- First quartile [q1]:                     -3.45278e-05 Jy/beam
2026-03-05 03:34:45	INFO	imstat::::	        -- Third quartile [q3]:                     1.10869e-06 Jy/beam
2026-03-05 03:34:45	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:34:45	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:34:45	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:34:45	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:34:45	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:34:45	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:34:45	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
2026-03-05 03:34:45	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:34:44.476065 End time: 2026-03-05 03:34:44.511795
2026-03-05 03:34:45	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:34:45	INFO	imstat::::casa	##########################################
2026-03-05 03:34:45	INFO	phaseshift::::casa	##########################################
2026-03-05 03:34:45	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:34:45	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 39.968292000deg' )
2026-03-05 03:34:45	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:34:45	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:34:45	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:34:45	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:34:45	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:34:45	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:34:45	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:34:45	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:34:45	INFO	MSTransformManager::open	Select data
2026-03-05 03:34:45	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:34:51	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:34:51	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19h52m05.65239 39.968292000deg' successfully parsed
2026-03-05 03:34:51	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:34:53	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:34:53	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:34:44.529530 End time: 2026-03-05 03:34:52.573400
2026-03-05 03:34:53	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:34:53	INFO	phaseshift::::casa	##########################################
2026-03-05 03:34:53	INFO	tclean::::casa	##########################################
2026-03-05 03:34:53	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:34:53	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 )
2026-03-05 03:34:53	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:34:53	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:34:53	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:34:53	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:34:53	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:34:53	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:34:53	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:34:53	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:34:53	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:34:53	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:34:53	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:34:53	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:34:55	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:34:55	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027376
2026-03-05 03:34:55	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:34:55	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:34:56	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:34:59	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:35:00	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:35:00	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:35:00	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:35:00	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:35:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:35:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:35:01	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:35:01	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:35:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:35:03	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:35:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:35:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:35:03	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:35:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:35:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:35:06	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:35:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:35:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:35:07	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:35:07	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:35:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:35:08	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:35:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:35:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:35:08	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:35:08	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:35:10	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:35:10	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:35:10	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:35:10	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:35:11	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:35:11	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:35:13	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:34:52.627536 End time: 2026-03-05 03:35:13.368346
2026-03-05 03:35:13	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:35:13	INFO	tclean::::casa	##########################################
2026-03-05 03:35:13	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:35:13	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:35:13	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)
2026-03-05 03:35:13	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:35:13	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:35:13 2026******
2026-03-05 03:35:13	INFO	ImageFitter::fit+	
2026-03-05 03:35:13	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:35:13	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:35:13	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:35:13	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:35:13	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:35:13	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:35:13	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:35:13	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:35:13	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:35:13	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:35:13	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)
2026-03-05 03:35:13	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000004 +/- 0.000777 arcsec
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:35:13	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:35:13	INFO	imstat::::casa	##########################################
2026-03-05 03:35:13	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:35:13	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 )
2026-03-05 03:35:13	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:35:13	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:35:13	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:35:13	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:35:13	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:35:13	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)
2026-03-05 03:35:13	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:35:13	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:35:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:35:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:35:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:35:13	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:35:13	INFO	imstat::::	Values --- 
2026-03-05 03:35:13	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:35:13	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:35:13	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:35:13	INFO	imstat::::	         -- minimum value [min]:                    -7.77826e-05 Jy/beam
2026-03-05 03:35:13	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:35:13	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:35:13	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:35:13	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:35:13	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:35:13	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:35:13	INFO	imstat::::	Statistics --- 
2026-03-05 03:35:13	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:35:13	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:35:13	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:35:13	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:35:13	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86649e-05 Jy/beam
2026-03-05 03:35:13	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam
2026-03-05 03:35:13	INFO	imstat::::	        -- IQR [quartile]:                          3.56026e-05 Jy/beam
2026-03-05 03:35:13	INFO	imstat::::	        -- First quartile [q1]:                     -3.45067e-05 Jy/beam
2026-03-05 03:35:13	INFO	imstat::::	        -- Third quartile [q3]:                     1.09593e-06 Jy/beam
2026-03-05 03:35:13	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:35:13	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:35:13	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:35:13	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:35:13	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:35:13	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:35:13	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
2026-03-05 03:35:13	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:35:13.444721 End time: 2026-03-05 03:35:13.471797
2026-03-05 03:35:13	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:35:13	INFO	imstat::::casa	##########################################
2026-03-05 03:35:13	INFO	phaseshift::::casa	##########################################
2026-03-05 03:35:13	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:35:13	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 0.697578292rad' )
2026-03-05 03:35:14	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:35:14	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:35:14	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:35:14	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:35:14	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:35:14	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:35:14	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:35:14	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:35:14	INFO	MSTransformManager::open	Select data
2026-03-05 03:35:14	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:35:24	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:35:24	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19h52m05.65239 0.697578292rad' successfully parsed
2026-03-05 03:35:24	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:35:26	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:35:26	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:35:13.488568 End time: 2026-03-05 03:35:26.107034
2026-03-05 03:35:26	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:35:26	INFO	phaseshift::::casa	##########################################
2026-03-05 03:35:26	INFO	tclean::::casa	##########################################
2026-03-05 03:35:26	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:35:26	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 )
2026-03-05 03:35:26	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:35:26	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:35:26	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:35:26	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:35:26	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:35:26	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:35:26	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:35:26	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:35:26	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:35:26	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:35:26	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:35:26	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:35:34	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:35:35	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.028081
2026-03-05 03:35:35	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:35:35	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:35:37	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:35:39	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:35:40	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:35:40	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:35:40	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:35:40	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:35:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:35:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:35:42	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:35:42	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:35:45	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:35:45	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:35:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:35:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:35:46	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:35:46	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:35:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:35:49	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:35:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:35:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:35:49	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:35:49	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:35:51	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:35:51	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:35:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:35:52	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:35:52	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:35:52	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:35:54	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:35:54	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:35:54	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:35:54	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:35:58	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:35:59	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:36:01	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:35:26.161582 End time: 2026-03-05 03:36:00.975099
2026-03-05 03:36:01	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:36:01	INFO	tclean::::casa	##########################################
2026-03-05 03:36:01	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:36:01	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:36:01	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)
2026-03-05 03:36:01	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:36:01	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:36:01 2026******
2026-03-05 03:36:01	INFO	ImageFitter::fit+	
2026-03-05 03:36:01	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:36:01	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:36:01	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:36:01	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:36:01	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:36:01	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:36:01	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:36:01	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:36:01	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:36:01	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:36:01	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)
2026-03-05 03:36:01	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126488 Jy
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000008 +/- 0.000777 arcsec
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999992 +/- 0.000097 pixels
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:36:01	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:36:01	INFO	imstat::::casa	##########################################
2026-03-05 03:36:01	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:36:01	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 )
2026-03-05 03:36:01	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:36:01	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:36:01	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:36:01	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:36:01	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:36:01	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)
2026-03-05 03:36:01	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:36:01	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:36:01	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:36:01	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:36:01	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:36:01	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:36:01	INFO	imstat::::	Values --- 
2026-03-05 03:36:01	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:36:01	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:36:01	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:36:01	INFO	imstat::::	         -- minimum value [min]:                    -7.7789e-05 Jy/beam
2026-03-05 03:36:01	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:36:01	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:36:01	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:36:01	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:36:01	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:36:01	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:36:01	INFO	imstat::::	Statistics --- 
2026-03-05 03:36:01	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:36:01	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:36:01	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:36:01	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:36:01	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86647e-05 Jy/beam
2026-03-05 03:36:01	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73649e-05 Jy/beam
2026-03-05 03:36:01	INFO	imstat::::	        -- IQR [quartile]:                          3.56182e-05 Jy/beam
2026-03-05 03:36:01	INFO	imstat::::	        -- First quartile [q1]:                     -3.45079e-05 Jy/beam
2026-03-05 03:36:01	INFO	imstat::::	        -- Third quartile [q3]:                     1.11022e-06 Jy/beam
2026-03-05 03:36:01	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:36:01	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:36:01	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:36:01	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:36:01	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:36:01	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:36:01	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
2026-03-05 03:36:01	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:36:01.047971 End time: 2026-03-05 03:36:01.074557
2026-03-05 03:36:01	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:36:01	INFO	imstat::::casa	##########################################
2026-03-05 03:36:01	INFO	phaseshift::::casa	##########################################
2026-03-05 03:36:01	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:36:01	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 39d58m05.8512' )
2026-03-05 03:36:01	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:36:01	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:36:01	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:36:01	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:36:01	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:36:01	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:36:01	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:36:01	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:36:01	INFO	MSTransformManager::open	Select data
2026-03-05 03:36:01	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:36:06	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:36:06	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19:52:05.6524 39d58m05.8512' successfully parsed
2026-03-05 03:36:06	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:36:08	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:36:08	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:36:01.091077 End time: 2026-03-05 03:36:07.926347
2026-03-05 03:36:08	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:36:08	INFO	phaseshift::::casa	##########################################
2026-03-05 03:36:08	INFO	tclean::::casa	##########################################
2026-03-05 03:36:08	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:36:08	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 )
2026-03-05 03:36:08	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:36:08	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:36:08	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:36:08	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:36:08	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:36:08	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:36:08	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:36:08	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:36:08	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:36:08	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:36:08	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:36:08	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:36:11	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:36:11	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.024204
2026-03-05 03:36:11	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:36:11	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:36:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:36:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:36:16	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:36:16	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:36:16	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:36:16	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:36:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:36:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:36:18	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:36:18	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:36:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:36:21	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:36:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:36:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:36:22	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:36:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:36:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:36:24	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:36:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:36:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:36:25	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:36:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:36:28	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:36:28	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:36:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:36:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:36:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:36:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:36:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:36:30	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:36:30	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:36:30	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:36:32	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:36:32	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:36:34	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:36:07.982963 End time: 2026-03-05 03:36:33.706831
2026-03-05 03:36:34	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:36:34	INFO	tclean::::casa	##########################################
2026-03-05 03:36:34	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:36:34	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:36:34	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)
2026-03-05 03:36:34	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:36:34	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:36:34 2026******
2026-03-05 03:36:34	INFO	ImageFitter::fit+	
2026-03-05 03:36:34	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:36:34	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:36:34	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:36:34	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:36:34	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:36:34	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:36:34	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:36:34	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:36:34	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:36:34	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:36:34	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)
2026-03-05 03:36:34	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000004 +/- 0.000777 arcsec
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000009 +/- 0.000127 pixels
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:36:34	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:36:34	INFO	imstat::::casa	##########################################
2026-03-05 03:36:34	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:36:34	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 )
2026-03-05 03:36:34	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:36:34	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:36:34	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:36:34	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:36:34	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:36:34	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)
2026-03-05 03:36:34	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:36:34	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:36:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:36:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:36:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:36:34	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:36:34	INFO	imstat::::	Values --- 
2026-03-05 03:36:34	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:36:34	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:36:34	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:36:34	INFO	imstat::::	         -- minimum value [min]:                    -7.77773e-05 Jy/beam
2026-03-05 03:36:34	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:36:34	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-03-05 03:36:34	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:36:34	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-03-05 03:36:34	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:36:34	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:36:34	INFO	imstat::::	Statistics --- 
2026-03-05 03:36:34	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:36:34	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:36:34	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:36:34	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:36:34	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86786e-05 Jy/beam
2026-03-05 03:36:34	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73603e-05 Jy/beam
2026-03-05 03:36:34	INFO	imstat::::	        -- IQR [quartile]:                          3.56014e-05 Jy/beam
2026-03-05 03:36:34	INFO	imstat::::	        -- First quartile [q1]:                     -3.45038e-05 Jy/beam
2026-03-05 03:36:34	INFO	imstat::::	        -- Third quartile [q3]:                     1.09758e-06 Jy/beam
2026-03-05 03:36:34	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:36:34	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:36:34	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:36:34	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:36:34	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:36:34	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:36:34	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
2026-03-05 03:36:34	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:36:33.785381 End time: 2026-03-05 03:36:33.812535
2026-03-05 03:36:34	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:36:34	INFO	imstat::::casa	##########################################
2026-03-05 03:36:34	INFO	phaseshift::::casa	##########################################
2026-03-05 03:36:34	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:36:34	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 02:39:52.3901' )
2026-03-05 03:36:34	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:36:34	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:36:34	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:36:34	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:36:34	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:36:34	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:36:34	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:36:34	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:36:34	INFO	MSTransformManager::open	Select data
2026-03-05 03:36:34	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:36:41	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 ".".
2026-03-05 03:36:41	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19:52:05.6524 02:39:52.3901' successfully parsed
2026-03-05 03:36:41	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:36:43	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:36:43	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:36:33.829226 End time: 2026-03-05 03:36:43.134958
2026-03-05 03:36:43	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:36:43	INFO	phaseshift::::casa	##########################################
2026-03-05 03:36:43	INFO	tclean::::casa	##########################################
2026-03-05 03:36:43	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:36:43	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 )
2026-03-05 03:36:43	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:36:43	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:36:43	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:36:43	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:36:43	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:36:43	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:36:43	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:36:43	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:36:43	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:36:43	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:36:43	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:36:43	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:36:47	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:36:47	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027878
2026-03-05 03:36:47	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:36:47	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:36:49	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:36:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:36:54	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:36:54	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:36:54	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:36:54	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:36:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:36:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:36:58	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:36:58	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:37:00	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:37:00	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:37:00	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:37:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:37:01	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:37:01	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:37:02	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:37:02	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:37:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:37:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:37:03	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:37:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:37:04	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:37:04	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:37:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:37:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:37:04	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:37:04	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:37:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:37:06	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:37:06	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:37:06	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:37:07	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:37:07	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:37:09	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:36:43.189531 End time: 2026-03-05 03:37:08.711916
2026-03-05 03:37:09	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:37:09	INFO	tclean::::casa	##########################################
2026-03-05 03:37:09	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:37:09	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:37:09	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)
2026-03-05 03:37:09	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:37:09	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:37:09 2026******
2026-03-05 03:37:09	INFO	ImageFitter::fit+	
2026-03-05 03:37:09	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:37:09	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:37:09	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:37:09	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:37:09	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:37:09	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:37:09	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:37:09	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:37:09	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:37:09	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:37:09	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)
2026-03-05 03:37:09	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116878 Jy
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126494 Jy
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000034 +/- 0.000777 arcsec
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000008 +/- 0.000127 pixels
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999963 +/- 0.000097 pixels
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:37:09	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:37:09	INFO	imstat::::casa	##########################################
2026-03-05 03:37:09	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:37:09	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 )
2026-03-05 03:37:09	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:37:09	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:37:09	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:37:09	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:37:09	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:37:09	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)
2026-03-05 03:37:09	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:37:09	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:37:09	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:37:09	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:37:09	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-03-05 03:37:09	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-03-05 03:37:09	INFO	imstat::::	Values --- 
2026-03-05 03:37:09	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:37:09	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:37:09	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:37:09	INFO	imstat::::	         -- minimum value [min]:                    -7.78143e-05 Jy/beam
2026-03-05 03:37:09	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:37:09	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:37:09	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:37:09	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:37:09	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:37:09	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:37:09	INFO	imstat::::	Statistics --- 
2026-03-05 03:37:09	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:37:09	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:37:09	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:37:09	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:37:09	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86838e-05 Jy/beam
2026-03-05 03:37:09	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73769e-05 Jy/beam
2026-03-05 03:37:09	INFO	imstat::::	        -- IQR [quartile]:                          3.5634e-05 Jy/beam
2026-03-05 03:37:09	INFO	imstat::::	        -- First quartile [q1]:                     -3.45216e-05 Jy/beam
2026-03-05 03:37:09	INFO	imstat::::	        -- Third quartile [q3]:                     1.1124e-06 Jy/beam
2026-03-05 03:37:09	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:37:09	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:37:09	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:37:09	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:37:09	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:37:09	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:37:09	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
2026-03-05 03:37:09	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:37:08.764062 End time: 2026-03-05 03:37:08.782390
2026-03-05 03:37:09	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:37:09	INFO	imstat::::casa	##########################################
2026-03-05 03:37:09	INFO	phaseshift::::casa	##########################################
2026-03-05 03:37:09	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:37:09	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 19:52:05.6524 39.968292000deg' )
2026-03-05 03:37:09	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:37:09	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:37:09	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:37:09	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:37:09	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:37:09	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:37:09	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:37:09	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:37:09	INFO	MSTransformManager::open	Select data
2026-03-05 03:37:09	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:37:12	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:37:12	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19:52:05.6524 39.968292000deg' successfully parsed
2026-03-05 03:37:12	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:37:13	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:37:13	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:37:08.794645 End time: 2026-03-05 03:37:13.488100
2026-03-05 03:37:13	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:37:13	INFO	phaseshift::::casa	##########################################
2026-03-05 03:37:14	INFO	tclean::::casa	##########################################
2026-03-05 03:37:14	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:37:14	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 )
2026-03-05 03:37:14	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:37:14	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:37:14	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:37:14	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:37:14	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:37:14	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:37:14	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:37:14	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:37:14	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:37:14	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:37:14	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:37:14	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:37:16	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:37:16	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.022769
2026-03-05 03:37:16	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:37:16	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:37:17	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:37:18	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:37:18	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:37:19	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:37:19	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:37:19	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:37:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:37:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:37:20	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:37:20	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:37:23	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:37:23	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:37:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:37:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:37:23	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:37:23	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:37:24	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:37:24	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:37:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:37:25	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:37:25	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:37:25	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:37:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:37:27	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:37:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:37:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:37:27	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:37:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:37:29	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:37:29	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:37:29	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:37:29	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:37:29	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:37:30	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:37:31	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:37:13.543438 End time: 2026-03-05 03:37:31.004221
2026-03-05 03:37:31	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:37:31	INFO	tclean::::casa	##########################################
2026-03-05 03:37:31	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:37:31	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:37:31	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-03-05 03:37:31	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:37:31	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:37:31 2026******
2026-03-05 03:37:31	INFO	ImageFitter::fit+	
2026-03-05 03:37:31	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:37:31	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:37:31	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:37:31	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:37:31	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:37:31	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:37:31	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:37:31	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:37:31	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:37:31	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:37:31	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-03-05 03:37:31	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000004 +/- 0.000777 arcsec
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000009 +/- 0.000127 pixels
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:37:31	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:37:31	INFO	imstat::::casa	##########################################
2026-03-05 03:37:31	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:37:31	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 )
2026-03-05 03:37:31	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:37:31	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:37:31	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:37:31	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:37:31	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:37:31	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-03-05 03:37:31	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:37:31	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:37:31	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:37:31	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:37:31	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:37:31	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:37:31	INFO	imstat::::	Values --- 
2026-03-05 03:37:31	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:37:31	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:37:31	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:37:31	INFO	imstat::::	         -- minimum value [min]:                    -7.77773e-05 Jy/beam
2026-03-05 03:37:31	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:37:31	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [179, 172, 0, 0]
2026-03-05 03:37:31	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:37:31	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz
2026-03-05 03:37:31	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:37:31	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:37:31	INFO	imstat::::	Statistics --- 
2026-03-05 03:37:31	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:37:31	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:37:31	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:37:31	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:37:31	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86786e-05 Jy/beam
2026-03-05 03:37:31	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73603e-05 Jy/beam
2026-03-05 03:37:31	INFO	imstat::::	        -- IQR [quartile]:                          3.56014e-05 Jy/beam
2026-03-05 03:37:31	INFO	imstat::::	        -- First quartile [q1]:                     -3.45038e-05 Jy/beam
2026-03-05 03:37:31	INFO	imstat::::	        -- Third quartile [q3]:                     1.09758e-06 Jy/beam
2026-03-05 03:37:31	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:37:31	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:37:31	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:37:31	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:37:31	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:37:31	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:37:31	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
2026-03-05 03:37:31	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:37:31.077127 End time: 2026-03-05 03:37:31.104217
2026-03-05 03:37:31	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:37:31	INFO	imstat::::casa	##########################################
2026-03-05 03:37:31	INFO	phaseshift::::casa	##########################################
2026-03-05 03:37:31	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:37:31	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 0.697578292rad' )
2026-03-05 03:37:31	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:37:31	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:37:31	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:37:31	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:37:31	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:37:31	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:37:31	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:37:31	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:37:31	INFO	MSTransformManager::open	Select data
2026-03-05 03:37:31	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:37:35	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:37:35	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 19:52:05.6524 0.697578292rad' successfully parsed
2026-03-05 03:37:35	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:37:36	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:37:36	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:37:31.120659 End time: 2026-03-05 03:37:36.264825
2026-03-05 03:37:36	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:37:36	INFO	phaseshift::::casa	##########################################
2026-03-05 03:37:36	INFO	tclean::::casa	##########################################
2026-03-05 03:37:36	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:37:36	INFO	tclean::::casa	tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False )
2026-03-05 03:37:36	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:37:36	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:37:36	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:37:36	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:37:36	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:37:36	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:37:36	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:37:36	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:37:36	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:37:37	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:37:37	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:37:37	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:37:38	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:37:38	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.023098
2026-03-05 03:37:38	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:37:38	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:37:39	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:37:40	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:37:40	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:37:40	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:37:40	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:37:40	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:37:40	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:37:41	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:37:41	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:37:41	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:37:42	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:37:42	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:37:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:37:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:37:43	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:37:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:37:44	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:37:44	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:37:44	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:37:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:37:45	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:37:45	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:37:46	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:37:46	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:37:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:37:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:37:48	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:37:48	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:37:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:37:49	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:37:49	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:37:49	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:37:50	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:37:50	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:37:52	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:37:36.322103 End time: 2026-03-05 03:37:51.507529
2026-03-05 03:37:52	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:37:52	INFO	tclean::::casa	##########################################
2026-03-05 03:37:52	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:37:52	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:37:52	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)
2026-03-05 03:37:52	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:37:52	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:37:52 2026******
2026-03-05 03:37:52	INFO	ImageFitter::fit+	
2026-03-05 03:37:52	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:37:52	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:37:52	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:37:52	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:37:52	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:37:52	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:37:52	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:37:52	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:37:52	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:37:52	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:37:52	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)
2026-03-05 03:37:52	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116871 Jy
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126487 Jy
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000008 +/- 0.000777 arcsec
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	       --- ra:  128.000009 +/- 0.000127 pixels
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999992 +/- 0.000097 pixels
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:37:52	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:37:52	INFO	imstat::::casa	##########################################
2026-03-05 03:37:52	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:37:52	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 )
2026-03-05 03:37:52	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:37:52	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:37:52	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:37:52	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:37:52	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:37:52	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)
2026-03-05 03:37:52	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:37:52	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:37:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:37:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:37:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:37:52	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:37:52	INFO	imstat::::	Values --- 
2026-03-05 03:37:52	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:37:52	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:37:52	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:37:52	INFO	imstat::::	         -- minimum value [min]:                    -7.7781e-05 Jy/beam
2026-03-05 03:37:52	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:37:52	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:37:52	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:37:52	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:37:52	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:37:52	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:37:52	INFO	imstat::::	Statistics --- 
2026-03-05 03:37:52	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:37:52	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:37:52	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:37:52	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:37:52	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86714e-05 Jy/beam
2026-03-05 03:37:52	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73593e-05 Jy/beam
2026-03-05 03:37:52	INFO	imstat::::	        -- IQR [quartile]:                          3.56161e-05 Jy/beam
2026-03-05 03:37:52	INFO	imstat::::	        -- First quartile [q1]:                     -3.45125e-05 Jy/beam
2026-03-05 03:37:52	INFO	imstat::::	        -- Third quartile [q3]:                     1.10364e-06 Jy/beam
2026-03-05 03:37:52	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:37:52	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:37:52	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:37:52	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:37:52	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:37:52	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:37:52	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.778104e-05  4.999996e+00
2026-03-05 03:37:52	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:37:51.573833 End time: 2026-03-05 03:37:51.598859
2026-03-05 03:37:52	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:37:52	INFO	imstat::::casa	##########################################
2026-03-05 03:37:52	INFO	phaseshift::::casa	##########################################
2026-03-05 03:37:52	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:37:52	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 39d58m05.8512' )
2026-03-05 03:37:52	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:37:52	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:37:52	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:37:52	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:37:52	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:37:52	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:37:52	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:37:52	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:37:52	INFO	MSTransformManager::open	Select data
2026-03-05 03:37:52	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:37:57	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:37:57	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 298.023551625deg 39d58m05.8512' successfully parsed
2026-03-05 03:37:57	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:37:58	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:37:58	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:37:51.614584 End time: 2026-03-05 03:37:57.858143
2026-03-05 03:37:58	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:37:58	INFO	phaseshift::::casa	##########################################
2026-03-05 03:37:58	INFO	tclean::::casa	##########################################
2026-03-05 03:37:58	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:37:58	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 )
2026-03-05 03:37:58	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:37:58	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:37:58	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:37:58	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:37:58	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:37:58	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:37:58	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:37:58	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:37:58	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:37:58	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:37:58	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:37:58	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:38:00	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:38:00	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.028068
2026-03-05 03:38:00	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:38:01	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:38:02	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:38:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:38:06	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:38:06	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:38:06	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:38:06	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:38:06	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:38:07	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:38:07	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:38:07	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:38:08	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:38:08	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:38:08	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:38:09	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:38:09	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:38:09	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:38:10	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:38:10	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:38:10	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:38:11	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:38:11	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:38:11	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:38:12	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:38:12	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:38:12	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:38:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:38:13	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:38:13	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:38:14	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:38:14	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:38:14	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:38:14	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:38:16	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:38:16	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:38:18	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:37:57.917878 End time: 2026-03-05 03:38:17.668368
2026-03-05 03:38:18	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:38:18	INFO	tclean::::casa	##########################################
2026-03-05 03:38:18	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:38:18	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:38:18	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-03-05 03:38:18	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:38:18	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:38:18 2026******
2026-03-05 03:38:18	INFO	ImageFitter::fit+	
2026-03-05 03:38:18	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:38:18	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:38:18	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:38:18	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:38:18	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:38:18	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:38:18	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:38:18	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:38:18	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:38:18	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:38:18	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-03-05 03:38:18	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000004 +/- 0.000777 arcsec
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:38:18	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:38:18	INFO	imstat::::casa	##########################################
2026-03-05 03:38:18	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:38:18	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-03-05 03:38:18	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:38:18	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:38:18	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:38:18	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:38:18	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:38:18	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)
2026-03-05 03:38:18	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:38:18	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:38:18	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:38:18	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:38:18	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:38:18	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:38:18	INFO	imstat::::	Values --- 
2026-03-05 03:38:18	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:38:18	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:38:18	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:38:18	INFO	imstat::::	         -- minimum value [min]:                    -7.77826e-05 Jy/beam
2026-03-05 03:38:18	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:38:18	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:38:18	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:38:18	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:38:18	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:38:18	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:38:18	INFO	imstat::::	Statistics --- 
2026-03-05 03:38:18	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:38:18	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:38:18	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:38:18	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:38:18	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86649e-05 Jy/beam
2026-03-05 03:38:18	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam
2026-03-05 03:38:18	INFO	imstat::::	        -- IQR [quartile]:                          3.56026e-05 Jy/beam
2026-03-05 03:38:18	INFO	imstat::::	        -- First quartile [q1]:                     -3.45067e-05 Jy/beam
2026-03-05 03:38:18	INFO	imstat::::	        -- Third quartile [q3]:                     1.09593e-06 Jy/beam
2026-03-05 03:38:18	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:38:18	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:38:18	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:38:18	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:38:18	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:38:18	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:38:18	INFO	imstat::ImageStatsCalculator::statistics	 6.553600e+04  6.085646e+02  9.285959e-03  1.524530e-01  1.521711e-01 -7.778264e-05  4.999996e+00
2026-03-05 03:38:18	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:38:17.741612 End time: 2026-03-05 03:38:17.785220
2026-03-05 03:38:18	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:38:18	INFO	imstat::::casa	##########################################
2026-03-05 03:38:18	INFO	phaseshift::::casa	##########################################
2026-03-05 03:38:18	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:38:18	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 02:39:52.3901' )
2026-03-05 03:38:18	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:38:18	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:38:18	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:38:18	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:38:18	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:38:18	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:38:18	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:38:18	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:38:18	INFO	MSTransformManager::open	Select data
2026-03-05 03:38:18	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:38:22	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "02:39:52.3901" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-03-05 03:38:22	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 298.023551625deg 02:39:52.3901' successfully parsed
2026-03-05 03:38:22	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:38:23	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:38:23	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:38:17.800296 End time: 2026-03-05 03:38:23.119521
2026-03-05 03:38:23	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:38:23	INFO	phaseshift::::casa	##########################################
2026-03-05 03:38:23	INFO	tclean::::casa	##########################################
2026-03-05 03:38:23	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:38:23	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 )
2026-03-05 03:38:23	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:38:23	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:38:23	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:38:23	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:38:23	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:38:23	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:38:23	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:38:23	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:38:23	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:38:23	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:38:23	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:38:23	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:38:25	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:38:25	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.016781
2026-03-05 03:38:25	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:38:25	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:38:26	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:38:27	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:38:27	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:38:27	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:38:27	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:38:27	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:38:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:38:28	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:38:28	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:38:28	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:38:30	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:38:30	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:38:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:38:30	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:38:30	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:38:30	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:38:31	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:38:31	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:38:31	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:38:32	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:38:32	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:38:32	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:38:33	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:38:33	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:38:33	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:38:35	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:38:35	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:38:35	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:38:36	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:38:36	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:38:36	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:38:36	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:38:37	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:38:39	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:38:42	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:38:23.179287 End time: 2026-03-05 03:38:41.894326
2026-03-05 03:38:42	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:38:42	INFO	tclean::::casa	##########################################
2026-03-05 03:38:42	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:38:42	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:38:42	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)
2026-03-05 03:38:42	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:38:42	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:38:42 2026******
2026-03-05 03:38:42	INFO	ImageFitter::fit+	
2026-03-05 03:38:42	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:38:42	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:38:42	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:38:42	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:38:42	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:38:42	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:38:42	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:38:42	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:38:42	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:38:42	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:38:42	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)
2026-03-05 03:38:42	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.00011688 Jy
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126496 Jy
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000034 +/- 0.000777 arcsec
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999963 +/- 0.000097 pixels
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:38:42	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:38:42	INFO	imstat::::casa	##########################################
2026-03-05 03:38:42	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:38:42	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 )
2026-03-05 03:38:42	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:38:42	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:38:42	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:38:42	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:38:42	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:38:42	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz)
2026-03-05 03:38:42	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:38:42	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:38:42	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:38:42	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:38:42	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-03-05 03:38:42	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-03-05 03:38:42	INFO	imstat::::	Values --- 
2026-03-05 03:38:42	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:38:42	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:38:42	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:38:42	INFO	imstat::::	         -- minimum value [min]:                    -7.78225e-05 Jy/beam
2026-03-05 03:38:42	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:38:42	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:38:42	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:38:42	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:38:42	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:38:42	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:38:42	INFO	imstat::::	Statistics --- 
2026-03-05 03:38:42	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:38:42	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:38:42	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:38:42	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:38:42	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86781e-05 Jy/beam
2026-03-05 03:38:42	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73751e-05 Jy/beam
2026-03-05 03:38:42	INFO	imstat::::	        -- IQR [quartile]:                          3.56365e-05 Jy/beam
2026-03-05 03:38:42	INFO	imstat::::	        -- First quartile [q1]:                     -3.45278e-05 Jy/beam
2026-03-05 03:38:42	INFO	imstat::::	        -- Third quartile [q3]:                     1.10869e-06 Jy/beam
2026-03-05 03:38:42	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:38:42	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:38:42	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:38:42	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:38:42	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:38:42	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:38:42	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
2026-03-05 03:38:42	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:38:41.975634 End time: 2026-03-05 03:38:42.006993
2026-03-05 03:38:42	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:38:42	INFO	imstat::::casa	##########################################
2026-03-05 03:38:42	INFO	phaseshift::::casa	##########################################
2026-03-05 03:38:42	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:38:42	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 298.023551625deg 39.968292000deg' )
2026-03-05 03:38:42	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:38:42	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:38:42	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:38:42	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:38:42	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:38:42	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:38:42	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:38:42	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:38:42	INFO	MSTransformManager::open	Select data
2026-03-05 03:38:42	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:38:48	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:38:48	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 298.023551625deg 39.968292000deg' successfully parsed
2026-03-05 03:38:48	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:38:51	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:38:51	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:38:42.028756 End time: 2026-03-05 03:38:50.674401
2026-03-05 03:38:51	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:38:51	INFO	phaseshift::::casa	##########################################
2026-03-05 03:38:51	INFO	tclean::::casa	##########################################
2026-03-05 03:38:51	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:38:51	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 )
2026-03-05 03:38:51	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:38:51	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:38:51	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:38:51	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:38:51	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:38:51	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:38:51	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:38:51	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:38:51	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:38:51	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:38:51	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:38:51	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:38:52	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:38:53	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.025892
2026-03-05 03:38:53	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:38:53	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:38:53	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:38:55	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:38:56	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:38:56	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:38:56	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:38:56	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:38:56	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:38:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:38:57	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:38:57	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:38:58	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:38:58	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:38:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:38:59	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:38:59	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:38:59	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:39:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:39:01	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:39:01	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:39:02	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:39:02	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:39:02	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:39:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:39:03	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:39:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:39:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:39:04	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:39:04	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:39:05	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:39:05	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:39:05	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:39:05	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:39:06	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:39:06	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:39:08	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:38:50.723696 End time: 2026-03-05 03:39:07.758324
2026-03-05 03:39:08	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:39:08	INFO	tclean::::casa	##########################################
2026-03-05 03:39:08	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:39:08	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:39:08	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)
2026-03-05 03:39:08	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:39:08	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:39:08 2026******
2026-03-05 03:39:08	INFO	ImageFitter::fit+	
2026-03-05 03:39:08	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:39:08	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:39:08	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:39:08	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:39:08	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:39:08	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:39:08	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:39:08	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:39:08	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:39:08	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:39:08	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)
2026-03-05 03:39:08	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116875 Jy
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126492 Jy
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000004 +/- 0.000777 arcsec
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:39:08	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:39:08	INFO	imstat::::casa	##########################################
2026-03-05 03:39:08	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:39:08	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 )
2026-03-05 03:39:08	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:39:08	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:39:08	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:39:08	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:39:08	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:39:08	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)
2026-03-05 03:39:08	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:39:08	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:39:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:39:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:39:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:39:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:39:08	INFO	imstat::::	Values --- 
2026-03-05 03:39:08	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:39:08	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:39:08	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:39:08	INFO	imstat::::	         -- minimum value [min]:                    -7.77826e-05 Jy/beam
2026-03-05 03:39:08	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:39:08	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:39:08	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:39:08	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:39:08	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:39:08	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:39:08	INFO	imstat::::	Statistics --- 
2026-03-05 03:39:08	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:39:08	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:39:08	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:39:08	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:39:08	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86649e-05 Jy/beam
2026-03-05 03:39:08	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam
2026-03-05 03:39:08	INFO	imstat::::	        -- IQR [quartile]:                          3.56026e-05 Jy/beam
2026-03-05 03:39:08	INFO	imstat::::	        -- First quartile [q1]:                     -3.45067e-05 Jy/beam
2026-03-05 03:39:08	INFO	imstat::::	        -- Third quartile [q3]:                     1.09593e-06 Jy/beam
2026-03-05 03:39:08	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:39:08	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:39:08	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:39:08	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:39:08	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:39:08	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:39:08	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
2026-03-05 03:39:08	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:39:07.831725 End time: 2026-03-05 03:39:07.858565
2026-03-05 03:39:08	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:39:08	INFO	imstat::::casa	##########################################
2026-03-05 03:39:08	INFO	phaseshift::::casa	##########################################
2026-03-05 03:39:08	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:39:08	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 298.023551625deg 0.697578292rad' )
2026-03-05 03:39:08	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:39:08	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:39:08	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:39:08	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:39:08	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:39:08	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:39:08	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:39:08	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:39:08	INFO	MSTransformManager::open	Select data
2026-03-05 03:39:08	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:39:13	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:39:13	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 298.023551625deg 0.697578292rad' successfully parsed
2026-03-05 03:39:13	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:39:15	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:39:15	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:39:07.875179 End time: 2026-03-05 03:39:14.866142
2026-03-05 03:39:15	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:39:15	INFO	phaseshift::::casa	##########################################
2026-03-05 03:39:15	INFO	tclean::::casa	##########################################
2026-03-05 03:39:15	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:39:15	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 )
2026-03-05 03:39:15	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:39:15	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:39:15	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:39:15	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:39:15	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:39:15	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:39:15	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:39:15	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:39:15	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.81 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:39:15	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:39:15	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:39:15	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:39:17	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:39:17	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027781
2026-03-05 03:39:17	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:39:17	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:39:18	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:39:19	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:39:19	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:39:19	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:39:19	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:39:19	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:39:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:39:20	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:39:20	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:39:21	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:39:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:39:21	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:39:21	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:39:22	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:39:22	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:39:22	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:39:23	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:39:23	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:39:23	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:39:24	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:39:24	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:39:24	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:39:26	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:39:26	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:39:26	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:39:27	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:39:27	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:39:27	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:39:28	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:39:28	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:39:28	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:39:28	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:39:28	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:39:29	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:39:30	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:39:14.922388 End time: 2026-03-05 03:39:30.121065
2026-03-05 03:39:30	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:39:30	INFO	tclean::::casa	##########################################
2026-03-05 03:39:30	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:39:30	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:39:30	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)
2026-03-05 03:39:30	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:39:30	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:39:30 2026******
2026-03-05 03:39:30	INFO	ImageFitter::fit+	
2026-03-05 03:39:30	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:39:30	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:39:30	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:39:30	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:39:30	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:39:30	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:39:30	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:39:30	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:39:30	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:39:30	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:39:30	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)
2026-03-05 03:39:30	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116874 Jy
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126488 Jy
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000008 +/- 0.000777 arcsec
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999996 +/- 0.000127 pixels
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999992 +/- 0.000097 pixels
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:39:30	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:39:30	INFO	imstat::::casa	##########################################
2026-03-05 03:39:30	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:39:30	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 )
2026-03-05 03:39:30	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:39:30	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:39:30	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:39:30	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:39:30	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:39:30	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)
2026-03-05 03:39:30	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:39:30	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:39:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:39:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:39:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:39:30	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:39:30	INFO	imstat::::	Values --- 
2026-03-05 03:39:30	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:39:30	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:39:30	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:39:30	INFO	imstat::::	         -- minimum value [min]:                    -7.7789e-05 Jy/beam
2026-03-05 03:39:30	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:39:30	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:39:30	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:39:30	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:39:30	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:39:30	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:39:30	INFO	imstat::::	Statistics --- 
2026-03-05 03:39:30	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:39:30	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:39:30	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:39:30	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:39:30	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86647e-05 Jy/beam
2026-03-05 03:39:30	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73649e-05 Jy/beam
2026-03-05 03:39:30	INFO	imstat::::	        -- IQR [quartile]:                          3.56182e-05 Jy/beam
2026-03-05 03:39:30	INFO	imstat::::	        -- First quartile [q1]:                     -3.45079e-05 Jy/beam
2026-03-05 03:39:30	INFO	imstat::::	        -- Third quartile [q3]:                     1.11022e-06 Jy/beam
2026-03-05 03:39:30	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:39:30	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:39:30	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:39:30	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:39:30	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:39:30	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:39:30	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
2026-03-05 03:39:30	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:39:30.191046 End time: 2026-03-05 03:39:30.224695
2026-03-05 03:39:30	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:39:30	INFO	imstat::::casa	##########################################
2026-03-05 03:39:30	INFO	phaseshift::::casa	##########################################
2026-03-05 03:39:30	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:39:30	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 39d58m05.8512' )
2026-03-05 03:39:30	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:39:30	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:39:30	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:39:30	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:39:30	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:39:30	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:39:30	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:39:30	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:39:30	INFO	MSTransformManager::open	Select data
2026-03-05 03:39:30	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:39:35	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:39:35	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 5.201492224rad 39d58m05.8512' successfully parsed
2026-03-05 03:39:35	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:39:37	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:39:37	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:39:30.247366 End time: 2026-03-05 03:39:36.828390
2026-03-05 03:39:37	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:39:37	INFO	phaseshift::::casa	##########################################
2026-03-05 03:39:37	INFO	tclean::::casa	##########################################
2026-03-05 03:39:37	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:39:37	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 )
2026-03-05 03:39:37	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:39:37	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:39:37	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:39:37	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:39:37	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:39:37	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:39:37	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:39:37	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:39:37	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:39:37	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:39:37	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:39:37	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:39:39	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:39:39	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.027863
2026-03-05 03:39:39	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:39:39	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:39:40	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:39:41	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:39:42	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:39:42	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:39:42	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:39:42	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:39:42	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:39:43	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:39:43	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:39:43	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:39:44	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:39:44	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:39:45	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:39:46	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:39:46	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:39:46	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:39:47	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:39:47	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:39:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:39:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:39:47	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:39:47	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:39:49	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:39:49	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:39:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:39:49	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:39:49	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:39:49	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:39:50	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:39:50	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:39:50	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:39:50	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:39:51	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:39:52	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:39:53	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:39:36.888538 End time: 2026-03-05 03:39:53.359936
2026-03-05 03:39:53	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:39:53	INFO	tclean::::casa	##########################################
2026-03-05 03:39:53	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:39:53	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:39:53	INFO	ImageRegion::fromRecord+	    [118, 118, 0, 0] to [138, 138, 0, 0]  (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz)
2026-03-05 03:39:53	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:39:53	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:39:53 2026******
2026-03-05 03:39:53	INFO	ImageFitter::fit+	
2026-03-05 03:39:53	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:39:53	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:39:53	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:39:53	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:39:53	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:39:53	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:39:53	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:39:53	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:39:53	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:39:53	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:39:53	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-03-05 03:39:53	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116879 Jy
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126495 Jy
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999990 +/- 0.000127 pixels
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:39:53	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:39:53	INFO	imstat::::casa	##########################################
2026-03-05 03:39:53	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:39:53	INFO	imstat::::casa	imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 )
2026-03-05 03:39:53	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:39:53	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:39:53	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:39:53	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:39:53	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:39:53	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz)
2026-03-05 03:39:53	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:39:53	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:39:53	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:39:53	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:39:53	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:39:53	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:39:53	INFO	imstat::::	Values --- 
2026-03-05 03:39:53	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:39:53	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:39:53	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:39:53	INFO	imstat::::	         -- minimum value [min]:                    -7.77853e-05 Jy/beam
2026-03-05 03:39:53	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:39:53	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:39:53	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:39:53	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:39:53	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:39:53	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:39:53	INFO	imstat::::	Statistics --- 
2026-03-05 03:39:53	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:39:53	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:39:53	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:39:53	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:39:53	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86679e-05 Jy/beam
2026-03-05 03:39:53	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73586e-05 Jy/beam
2026-03-05 03:39:53	INFO	imstat::::	        -- IQR [quartile]:                          3.56112e-05 Jy/beam
2026-03-05 03:39:53	INFO	imstat::::	        -- First quartile [q1]:                     -3.45109e-05 Jy/beam
2026-03-05 03:39:53	INFO	imstat::::	        -- Third quartile [q3]:                     1.10039e-06 Jy/beam
2026-03-05 03:39:53	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:39:53	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:39:53	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:39:53	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:39:53	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:39:53	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:39:53	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
2026-03-05 03:39:53	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:39:53.423910 End time: 2026-03-05 03:39:53.448836
2026-03-05 03:39:53	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:39:53	INFO	imstat::::casa	##########################################
2026-03-05 03:39:53	INFO	phaseshift::::casa	##########################################
2026-03-05 03:39:53	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:39:53	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 02:39:52.3901' )
2026-03-05 03:39:53	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:39:53	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:39:53	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:39:53	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:39:53	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:39:54	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:39:54	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:39:54	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:39:54	INFO	MSTransformManager::open	Select data
2026-03-05 03:39:54	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:39:59	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
NOTE: you provided the Declination/Latitude value "02:39:52.3901" which is understood to be in units of hours.
      If you meant degrees, please replace ":" by ".".
2026-03-05 03:39:59	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 5.201492224rad 02:39:52.3901' successfully parsed
2026-03-05 03:39:59	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:40:00	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:40:00	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:39:53.464262 End time: 2026-03-05 03:40:00.322715
2026-03-05 03:40:00	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:40:00	INFO	phaseshift::::casa	##########################################
2026-03-05 03:40:00	INFO	tclean::::casa	##########################################
2026-03-05 03:40:00	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:40:00	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 )
2026-03-05 03:40:00	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:40:00	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:40:00	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:40:01	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:40:01	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:40:01	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:40:01	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:40:01	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:40:01	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:40:01	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:40:01	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:40:01	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:40:02	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:40:02	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.01905
2026-03-05 03:40:02	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:40:02	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:40:02	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:40:03	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:40:03	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:40:03	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:40:03	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:40:03	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:40:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:40:03	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:40:03	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:40:03	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:40:04	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:40:04	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:40:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:40:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:40:04	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:40:04	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:40:04	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:40:04	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:40:04	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:40:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:40:05	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:40:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:40:05	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:40:05	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:40:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3
2026-03-05 03:40:05	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:40:05	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:40:05	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:40:06	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:40:06	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:40:06	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:40:06	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:40:07	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:40:07	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:40:08	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:40:00.378628 End time: 2026-03-05 03:40:07.727589
2026-03-05 03:40:08	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:40:08	INFO	tclean::::casa	##########################################
2026-03-05 03:40:08	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:40:08	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:40:08	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)
2026-03-05 03:40:08	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:40:08	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:40:08 2026******
2026-03-05 03:40:08	INFO	ImageFitter::fit+	
2026-03-05 03:40:08	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:40:08	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:40:08	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:40:08	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:40:08	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:40:08	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:40:08	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:40:08	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:40:08	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:40:08	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:40:08	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)
2026-03-05 03:40:08	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116885 Jy
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126501 Jy
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000034 +/- 0.000777 arcsec
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999990 +/- 0.000127 pixels
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999963 +/- 0.000097 pixels
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 250 marcsec
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:40:08	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:40:08	INFO	imstat::::casa	##########################################
2026-03-05 03:40:08	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:40:08	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 )
2026-03-05 03:40:08	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:40:08	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:40:08	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:40:08	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:40:08	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:40:08	INFO	imstat::ImageRegion::fromRecord+	    [0, 0, 0, 0] to [255, 255, 0, 0]  (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz)
2026-03-05 03:40:08	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:40:08	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:40:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:40:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:40:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz
2026-03-05 03:40:08	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.889, I, 999981612.9Hz
2026-03-05 03:40:08	INFO	imstat::::	Values --- 
2026-03-05 03:40:08	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:40:08	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:40:08	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:40:08	INFO	imstat::::	         -- minimum value [min]:                    -7.78268e-05 Jy/beam
2026-03-05 03:40:08	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:40:08	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:40:08	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:40:08	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:40:08	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:40:08	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:40:08	INFO	imstat::::	Statistics --- 
2026-03-05 03:40:08	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:40:08	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:40:08	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:40:08	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:40:08	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.8675e-05 Jy/beam
2026-03-05 03:40:08	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73782e-05 Jy/beam
2026-03-05 03:40:08	INFO	imstat::::	        -- IQR [quartile]:                          3.56598e-05 Jy/beam
2026-03-05 03:40:08	INFO	imstat::::	        -- First quartile [q1]:                     -3.45364e-05 Jy/beam
2026-03-05 03:40:08	INFO	imstat::::	        -- Third quartile [q3]:                     1.12335e-06 Jy/beam
2026-03-05 03:40:08	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:40:08	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:40:08	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:40:08	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:40:08	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:40:08	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:40:08	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
2026-03-05 03:40:08	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:40:07.789027 End time: 2026-03-05 03:40:07.809368
2026-03-05 03:40:08	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:40:08	INFO	imstat::::casa	##########################################
2026-03-05 03:40:08	INFO	phaseshift::::casa	##########################################
2026-03-05 03:40:08	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:40:08	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 39.968292000deg' )
2026-03-05 03:40:08	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:40:08	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:40:08	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:40:08	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:40:08	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:40:08	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:40:08	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:40:08	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:40:08	INFO	MSTransformManager::open	Select data
2026-03-05 03:40:08	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:40:09	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:40:09	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 5.201492224rad 39.968292000deg' successfully parsed
2026-03-05 03:40:09	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:40:10	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:40:10	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:40:07.822773 End time: 2026-03-05 03:40:10.140116
2026-03-05 03:40:10	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:40:10	INFO	phaseshift::::casa	##########################################
2026-03-05 03:40:10	INFO	tclean::::casa	##########################################
2026-03-05 03:40:10	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:40:10	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 )
2026-03-05 03:40:10	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:40:10	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:40:10	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:40:10	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:40:10	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:40:10	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:40:10	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:40:10	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:40:10	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:40:10	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:40:10	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:40:10	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:40:12	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:40:12	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.028849
2026-03-05 03:40:12	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:40:12	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:40:12	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:40:13	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:40:13	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:40:13	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:40:13	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:40:13	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:40:13	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:40:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:40:14	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:40:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:40:14	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:40:14	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:40:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:40:14	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:40:14	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:40:14	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:40:15	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:40:15	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:40:15	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:40:16	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:40:16	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:40:16	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:40:18	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:40:18	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:40:18	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:40:19	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:40:19	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:40:19	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:40:21	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:40:21	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:40:21	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:40:21	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:40:21	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:40:22	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:40:25	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:40:10.200050 End time: 2026-03-05 03:40:25.253131
2026-03-05 03:40:25	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:40:25	INFO	tclean::::casa	##########################################
2026-03-05 03:40:25	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:40:25	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:40:25	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)
2026-03-05 03:40:25	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:40:25	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:40:25 2026******
2026-03-05 03:40:25	INFO	ImageFitter::fit+	
2026-03-05 03:40:25	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:40:25	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:40:25	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:40:25	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:40:25	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:40:25	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:40:25	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:40:25	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:40:25	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:40:25	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:40:25	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)
2026-03-05 03:40:25	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116879 Jy
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126495 Jy
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000003 +/- 0.000777 arcsec
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999990 +/- 0.000127 pixels
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999997 +/- 0.000097 pixels
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:40:25	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:40:25	INFO	imstat::::casa	##########################################
2026-03-05 03:40:25	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:40:25	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 )
2026-03-05 03:40:25	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:40:25	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:40:25	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:40:25	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:40:25	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:40:25	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)
2026-03-05 03:40:25	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:40:25	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:40:25	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:40:25	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:40:25	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:40:25	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:40:25	INFO	imstat::::	Values --- 
2026-03-05 03:40:25	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:40:25	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:40:25	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:40:25	INFO	imstat::::	         -- minimum value [min]:                    -7.77853e-05 Jy/beam
2026-03-05 03:40:25	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:40:25	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:40:25	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:40:25	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:40:25	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:40:25	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:40:25	INFO	imstat::::	Statistics --- 
2026-03-05 03:40:25	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:40:25	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:40:25	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:40:25	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:40:25	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86679e-05 Jy/beam
2026-03-05 03:40:25	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73586e-05 Jy/beam
2026-03-05 03:40:25	INFO	imstat::::	        -- IQR [quartile]:                          3.56112e-05 Jy/beam
2026-03-05 03:40:25	INFO	imstat::::	        -- First quartile [q1]:                     -3.45109e-05 Jy/beam
2026-03-05 03:40:25	INFO	imstat::::	        -- Third quartile [q3]:                     1.10039e-06 Jy/beam
2026-03-05 03:40:25	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:40:25	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:40:25	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:40:25	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:40:25	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:40:25	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:40:25	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
2026-03-05 03:40:25	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:40:25.326282 End time: 2026-03-05 03:40:25.352982
2026-03-05 03:40:25	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:40:25	INFO	imstat::::casa	##########################################
2026-03-05 03:40:25	INFO	phaseshift::::casa	##########################################
2026-03-05 03:40:25	INFO	phaseshift::::casa	##### Begin Task: phaseshift         #####
2026-03-05 03:40:25	INFO	phaseshift::::casa	phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 0.697578292rad' )
2026-03-05 03:40:25	INFO	MSTransformManager::parseMsSpecParams	Input file name is sim_data.ms
2026-03-05 03:40:25	INFO	MSTransformManager::parseMsSpecParams	Data column is ALL
2026-03-05 03:40:25	INFO	MSTransformManager::parseMsSpecParams	Output file name is sim_data_pshift.ms
2026-03-05 03:40:25	INFO	MSTransformManager::parseMsSpecParams	Re-index is disabled 
2026-03-05 03:40:25	INFO	MSTransformManager::parsePhaseShiftParams	Phase shifting via TVI with support for large offset/angle 
2026-03-05 03:40:25	INFO	MSTransformManager::colCheckInfo	Adding DATA column to output MS from input DATA column
2026-03-05 03:40:25	INFO	MSTransformManager::colCheckInfo	Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column
2026-03-05 03:40:25	INFO	MSTransformManager::colCheckInfo	Adding MODEL_DATA column to output MS from input MODEL_DATA column
2026-03-05 03:40:25	INFO	MSTransformManager::open	Select data
2026-03-05 03:40:25	INFO	MSTransformManager::createOutputMSStructure	Create output MS structure
2026-03-05 03:40:35	INFO	PhaseShiftingTVI::parsePhasecenter	Interpreting phasecenter as a single string, to be applied to all input (selected) fields.
2026-03-05 03:40:35	INFO	PhaseShiftingTVI::checkPhaseCenterStr	Phase center 'B1950_VLA 5.201492224rad 0.697578292rad' successfully parsed
2026-03-05 03:40:35	INFO	phaseshift::::casa	Shift phase center
2026-03-05 03:40:38	INFO	phaseshift::::casa	Updating the FIELD subtable of the output MeasurementSet with shifted phase centers
2026-03-05 03:40:38	INFO	phaseshift::::casa	Task phaseshift complete. Start time: 2026-03-05 03:40:25.369524 End time: 2026-03-05 03:40:37.732356
2026-03-05 03:40:38	INFO	phaseshift::::casa	##### End Task: phaseshift           #####
2026-03-05 03:40:38	INFO	phaseshift::::casa	##########################################
2026-03-05 03:40:38	INFO	tclean::::casa	##########################################
2026-03-05 03:40:38	INFO	tclean::::casa	##### Begin Task: tclean             #####
2026-03-05 03:40:38	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 )
2026-03-05 03:40:38	INFO	tclean::::casa	Verifying Input Parameters
2026-03-05 03:40:38	INFO	SynthesisImagerVi2::selectData 	MS : sim_data_pshift.ms | [Opened in readonly mode]
2026-03-05 03:40:38	INFO	SynthesisImagerVi2::selectData 	  NRows selected : 6318
2026-03-05 03:40:38	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:40:38	INFO	SynthesisImagerVi2::defineImage 	Define image coordinates for [im_post_phaseshift] : 
2026-03-05 03:40:38	INFO	SynthesisImagerVi2::defineImage 	Impars: start 
2026-03-05 03:40:38	INFO	SynthesisImagerVi2::defineImage 	Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08]
2026-03-05 03:40:38	INFO	SynthesisImagerVi2::defineImage 	Set Gridding options for [im_post_phaseshift] with ftmachine : gridft
2026-03-05 03:40:38	INFO	SynthesisImagerVi2::nSubCubeFitInMemory	Required memory: 0.003777 GB. Available mem.: 47.8 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1.
2026-03-05 03:40:38	INFO	SynthesisImagerVi2::weight() 	Set imaging weights : Natural weighting
2026-03-05 03:40:38	INFO	task_tclean::SynthesisDeconvolver::setupDeconvolution 	Set Deconvolution Options for [im_post_phaseshift] : hogbom
2026-03-05 03:40:38	INFO	task_tclean::SynthesisImager::makePSF 	----------------------------------------------------------- Make PSF ---------------------------------------------
2026-03-05 03:40:42	INFO	task_tclean::SIImageStore::calcSensitivity 	[im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 
2026-03-05 03:40:42	INFO	task_tclean::SIImageStore::getPSFGaussian 	Time to fit Gaussian to PSF 0.029202
2026-03-05 03:40:42	INFO	task_tclean::SIImageStore::printBeamSet 	Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:40:42	INFO	task_tclean::SynthesisImagerVi2::makePrimaryBeam 	vi2 : Evaluating Primary Beam model onto image grid(s)
2026-03-05 03:40:44	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 1 -------------------------------------
2026-03-05 03:40:46	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0, over full image : 5
2026-03-05 03:40:47	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Initializing new mask to 1.0 for the full image
2026-03-05 03:40:47	INFO	SynthesisDeconvolver::setupMask 	[im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ]
2026-03-05 03:40:47	INFO	SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 5, over full image : 5
2026-03-05 03:40:47	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:40:47	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3
2026-03-05 03:40:48	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold.
2026-03-05 03:40:48	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 6 iterations.
2026-03-05 03:40:48	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 2 -------------------------------------
2026-03-05 03:40:50	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.588239, over full image : 0.588239
2026-03-05 03:40:50	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:40:50	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3
2026-03-05 03:40:51	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold.
2026-03-05 03:40:51	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 12 iterations.
2026-03-05 03:40:51	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 3 -------------------------------------
2026-03-05 03:40:53	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054
2026-03-05 03:40:53	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:40:53	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3
2026-03-05 03:40:54	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold.
2026-03-05 03:40:54	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 18 iterations.
2026-03-05 03:40:54	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 4 -------------------------------------
2026-03-05 03:40:57	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203
2026-03-05 03:40:57	INFO	tclean::::casa	Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False}
2026-03-05 03:40:57	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3
2026-03-05 03:40:58	INFO	SDAlgorithmBase::deconvolve 	[im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter.
2026-03-05 03:40:58	INFO	grpcInteractiveCleanManager::mergeCycleExecutionRecord 	Completed 20 iterations.
2026-03-05 03:40:58	INFO	task_tclean::SynthesisImager::executeMajorCycle 	----------------------------------------------------------- Run Major Cycle 5 -------------------------------------
2026-03-05 03:41:01	INFO	task_tclean::SynthesisDeconvolver::initMinorCycle 	 Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238
2026-03-05 03:41:01	INFO	tclean::::casa	Reached global stopping criterion : iteration limit
2026-03-05 03:41:01	INFO	tclean::::casa	getSummary call: fullsummary=False
2026-03-05 03:41:01	INFO	SDAlgorithmBase::restore 	[im_post_phaseshift] : Restoring model image.
2026-03-05 03:41:03	INFO	SIImageStore::restore 	Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg
2026-03-05 03:41:03	INFO	tclean::::casa	Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.psf', 'im_post_phaseshift.model', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.mask']
2026-03-05 03:41:07	INFO	tclean::::casa	Task tclean complete. Start time: 2026-03-05 03:40:37.791041 End time: 2026-03-05 03:41:06.783941
2026-03-05 03:41:07	INFO	tclean::::casa	##### End Task: tclean               #####
2026-03-05 03:41:07	INFO	tclean::::casa	##########################################
2026-03-05 03:41:07	INFO	ImageFitter::_finishConstruction	No estimates file specified, so will attempt to find and fit one gaussian.
2026-03-05 03:41:07	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:41:07	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)
2026-03-05 03:41:07	INFO	ImageFitter::fit	noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM
2026-03-05 03:41:07	INFO	ImageFitter::fit	****** Fit performed at Thu Mar 5 03:41:07 2026******
2026-03-05 03:41:07	INFO	ImageFitter::fit+	
2026-03-05 03:41:07	INFO	ImageFitter::fit+	Input parameters ---
2026-03-05 03:41:07	INFO	ImageFitter::fit+	       --- imagename:           /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image
2026-03-05 03:41:07	INFO	ImageFitter::fit+	       --- region:              
2026-03-05 03:41:07	INFO	ImageFitter::fit+	       --- channel:             0
2026-03-05 03:41:07	INFO	ImageFitter::fit+	       --- stokes:              I
2026-03-05 03:41:07	INFO	ImageFitter::fit+	       --- mask:                
2026-03-05 03:41:07	INFO	ImageFitter::fit+	       --- include pixel range: []
2026-03-05 03:41:07	INFO	ImageFitter::fit+	       --- exclude pixel range: []
2026-03-05 03:41:07	INFO	ImageFitter::_fitsky	Fitter was able to find a solution in 7 iterations.
2026-03-05 03:41:07	INFO	ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:41:07	INFO	ImageRegion::fromRecord+	    [5, 5] to [15, 15]  (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997)
2026-03-05 03:41:07	INFO	ImageMaskAttacher::makeMask	Created mask `mask0'
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop	*** Details of fit for channel number 0
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	Number of pixels used in fit: 441
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	Input and residual image statistics (to be used as a rough guide only as to goodness of fit)
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of input image: 1.29486 Jy
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	       --- Standard deviation of residual image: 0.000116869 Jy
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	       --- RMS of input image: 1.85675 Jy
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	       --- RMS of residual image: 0.000126485 Jy
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	Fit on im_post_phaseshift.image component 0
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	Position ---
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	       --- ra:    19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle)
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	       --- dec: +040.06.00.000008 +/- 0.000777 arcsec
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	       --- ra:  127.999990 +/- 0.000127 pixels
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	       --- dec: 127.999992 +/- 0.000097 pixels
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	Image component size (convolved with beam) ---
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     1.478829 +/- 0.000040 arcmin
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     1.292924 +/- 0.000030 arcmin
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.1862 +/- 0.0071 deg
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	Clean beam size ---
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM: 88.72 arcsec
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM: 77.57 arcsec
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	       --- position angle: 89.19 deg
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	Image component size (deconvolved from beam) ---
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	       --- major axis FWHM:     967 +/- 249 marcsec
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	       --- minor axis FWHM:     829 +/- 378 marcsec
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	       --- position angle: 85 +/- 73 deg
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	Flux ---
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	       --- Integrated:   5.00036 +/- 0.00022 Jy
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	       --- Peak:         4.99978 +/- 0.00013 Jy/beam
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	       --- Polarization: I
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	Spectrum ---
2026-03-05 03:41:07	INFO	ImageFitter::_fitLoop+	      --- frequency:        999.9816 MHz (29.97980 cm)
2026-03-05 03:41:07	INFO	imstat::::casa	##########################################
2026-03-05 03:41:07	INFO	imstat::::casa	##### Begin Task: imstat             #####
2026-03-05 03:41:07	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 )
2026-03-05 03:41:07	INFO	imstat::CasacRegionManager::fromBCS	No directional region specified. Using full positional plane.
2026-03-05 03:41:07	INFO	imstat::CasacRegionManager::fromBCS	Using all spectral channels.
2026-03-05 03:41:07	INFO	imstat::CasacRegionManager::fromBCS	Using polarizations ALL
2026-03-05 03:41:07	INFO	imstat::image::statistics 	Determining stats for image im_post_phaseshift.image
2026-03-05 03:41:07	INFO	imstat::ImageRegion::fromRecord	Selected bounding box : 
2026-03-05 03:41:07	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)
2026-03-05 03:41:07	INFO	imstat::ImageStatsCalculator::_logStartup	Statistics calculated using Classic algorithm
2026-03-05 03:41:07	INFO	imstat::ImageStatsCalculator::_logStartup	Regions --- 
2026-03-05 03:41:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (pixel) [blc]:  [0, 0, 0, 0]
2026-03-05 03:41:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (pixel) [trc]:    [255, 255, 0, 0]
2026-03-05 03:41:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz
2026-03-05 03:41:07	INFO	imstat::ImageStatsCalculator::_logStartup	         -- top-right corner (world) [trcf]:   19:52:21.081, +40.22.53.888, I, 999981612.9Hz
2026-03-05 03:41:07	INFO	imstat::::	Values --- 
2026-03-05 03:41:07	INFO	imstat::::	         -- flux density [flux]:                    4.99436 Jy
2026-03-05 03:41:07	INFO	imstat::::	         -- number of points [npts]:                65536
2026-03-05 03:41:07	INFO	imstat::::	         -- maximum value [max]:                    5 Jy/beam
2026-03-05 03:41:07	INFO	imstat::::	         -- minimum value [min]:                    -7.77956e-05 Jy/beam
2026-03-05 03:41:07	INFO	imstat::::	         -- position of max value (pixel) [maxpos]: [128, 128, 0, 0]
2026-03-05 03:41:07	INFO	imstat::::	         -- position of min value (pixel) [minpos]: [77, 84, 0, 0]
2026-03-05 03:41:07	INFO	imstat::::	         -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz
2026-03-05 03:41:07	INFO	imstat::::	         -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz
2026-03-05 03:41:07	INFO	imstat::::	         -- Sum of pixel values [sum]:               608.565 Jy/beam
2026-03-05 03:41:07	INFO	imstat::::	         -- Sum of squared pixel values [sumsq]:     1523.18 Jy/beam.Jy/beam
2026-03-05 03:41:07	INFO	imstat::::	Statistics --- 
2026-03-05 03:41:07	INFO	imstat::::	        -- Mean of the pixel values [mean]:         0.00928596 Jy/beam
2026-03-05 03:41:07	INFO	imstat::::	        -- Variance of the pixel values :           0.023156 Jy/beam
2026-03-05 03:41:07	INFO	imstat::::	        -- Standard deviation of the Mean [sigma]:  0.152171 Jy/beam
2026-03-05 03:41:07	INFO	imstat::::	        -- Root mean square [rms]:                  0.152453 Jy/beam
2026-03-05 03:41:07	INFO	imstat::::	        -- Median of the pixel values [median]:     -1.86648e-05 Jy/beam
2026-03-05 03:41:07	INFO	imstat::::	        -- Median of the deviations [medabsdevmed]: 1.73536e-05 Jy/beam
2026-03-05 03:41:07	INFO	imstat::::	        -- IQR [quartile]:                          3.5639e-05 Jy/beam
2026-03-05 03:41:07	INFO	imstat::::	        -- First quartile [q1]:                     -3.45152e-05 Jy/beam
2026-03-05 03:41:07	INFO	imstat::::	        -- Third quartile [q3]:                     1.12373e-06 Jy/beam
2026-03-05 03:41:07	INFO	imstat::ImageStatsCalculator::statistics	Sum column unit = Jy/beam
2026-03-05 03:41:07	INFO	imstat::ImageStatsCalculator::statistics+	Mean column unit = Jy/beam
2026-03-05 03:41:07	INFO	imstat::ImageStatsCalculator::statistics+	Std_dev column unit = Jy/beam
2026-03-05 03:41:07	INFO	imstat::ImageStatsCalculator::statistics+	Minimum column unit = Jy/beam
2026-03-05 03:41:07	INFO	imstat::ImageStatsCalculator::statistics+	Maximum column unit = Jy/beam
2026-03-05 03:41:07	INFO	imstat::ImageStatsCalculator::statistics	Npts          Sum           Mean          Rms           Std_dev       Minimum       Maximum     
2026-03-05 03:41:07	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
2026-03-05 03:41:07	INFO	imstat::::casa	Task imstat complete. Start time: 2026-03-05 03:41:06.857910 End time: 2026-03-05 03:41:06.884310
2026-03-05 03:41:07	INFO	imstat::::casa	##### End Task: imstat               #####
2026-03-05 03:41:07	INFO	imstat::::casa	##########################################
.
----------------------------------------------------------------------
Ran 27 tests in 2391.872s

OK

Generating XML reports...