2025-10-14 10:01:42 INFO ::casa Using user configuration file /home/casatest/.casa/config.py 2025-10-14 10:01:42 INFO ::casa loaded config file : /wheeldirectory/casa-6.7.1-12-py3.10.el8/lib/py/lib/python3.10/site-packages/casaconfig/config.py 2025-10-14 10:01:42 INFO ::casa loaded config file : /home/casatest/.casa/config.py 2025-10-14 10:01:42 INFO ::casa 2025-10-14 10:01:42 INFO ::casa config values 2025-10-14 10:01:42 INFO ::casa agg = False 2025-10-14 10:01:42 INFO ::casa cachedir = '/home/casatest/.casa' 2025-10-14 10:01:42 INFO ::casa casaconfig_verbose = 1 2025-10-14 10:01:42 INFO ::casa colors = 'Neutral' 2025-10-14 10:01:42 INFO ::casa data_auto_update = False 2025-10-14 10:01:42 INFO ::casa datapath = ['/opt/casa/data/master', '/opt/casa/data/casatestdata'] 2025-10-14 10:01:42 INFO ::casa iplog = False 2025-10-14 10:01:42 INFO ::casa iplogfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/ipython-20251014-100139.log' 2025-10-14 10:01:42 INFO ::casa log2term = True 2025-10-14 10:01:42 INFO ::casa logfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/casa-20251014-100139.log' 2025-10-14 10:01:42 INFO ::casa measures_auto_update = False 2025-10-14 10:01:42 INFO ::casa measurespath = '/opt/casa/data/master' 2025-10-14 10:01:42 INFO ::casa nogui = False 2025-10-14 10:01:42 INFO ::casa nologfile = False 2025-10-14 10:01:42 INFO ::casa nologger = True 2025-10-14 10:01:42 INFO ::casa pipeline = False 2025-10-14 10:01:42 INFO ::casa startupfile = '/home/casatest/.casa/startup.py' 2025-10-14 10:01:42 INFO ::casa user_site = False 2025-10-14 10:01:42 INFO ::casa 2025-10-14 10:01:42 INFO ::casa casarundata version is unknown, this is probably a legacy version not installed by casaconfig 2025-10-14 10:01:42 INFO ::casa measures version is unknown, this is probably a legacy version not installed by casaconfig 2025-10-14 10:01:42 INFO ::casa 2025-10-14 10:01:42 INFO ::casa Checking Measures tables in data repository sub-directory /opt/casa/data/master/geodetic 2025-10-14 10:01:42 INFO ::casa IERSeop2000 (version date, last date in table (UTC)): 2025/03/10/15:15, 2025/02/08/00:00:00 2025-10-14 10:01:42 INFO ::casa IERSeop97 (version date, last date in table (UTC)): 2025/03/10/15:15, 2025/02/08/00:00:00 2025-10-14 10:01:42 INFO ::casa IERSpredict (version date, last date in table (UTC)): 2025/04/08/15:15, 2025/07/07/00:00:00 2025-10-14 10:01:42 INFO ::casa TAI_UTC (version date, last date in table (UTC)): 2025/03/08/15:15, 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 6.7.1.12 -- Common Astronomy Software Applications [6.7.1.12] 2025-10-14 10:01:43 INFO phaseshift::::casa ########################################## 2025-10-14 10:01:43 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:01:43 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': 'GALACTIC 19h53m50 40d06m00', '2': 'GALACTIC 22h01m02 40d04m03'} ) 2025-10-14 10:01:43 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-10-14 10:01:43 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:01:43 INFO MSTransformManager::parseMsSpecParams Output file name is test_vis_multi_field_phasecenter_dict.ms 2025-10-14 10:01:43 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:01:43 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:01:43 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:01:43 INFO MSTransformManager::open Select data 2025-10-14 10:01:43 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:01:44 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a dictionary of field->center.Using following phase centers: 2025-10-14 10:01:44 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 19h53m50 40d06m00' successfully parsed for field 0 2025-10-14 10:01:44 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 22h01m02 40d04m03' successfully parsed for field 2 2025-10-14 10:01:44 INFO phaseshift::::casa Shift phase center 2025-10-14 10:01:44 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:01:44 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:01:43.404899 End time: 2025-10-14 10:01:44.325442 2025-10-14 10:01:44 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:01:44 INFO phaseshift::::casa ########################################## .2025-10-14 10:01:44 INFO phaseshift::::casa ########################################## 2025-10-14 10:01:44 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:01:44 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'} ) 2025-10-14 10:01:44 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-10-14 10:01:44 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:01:44 INFO MSTransformManager::parseMsSpecParams Output file name is test_vis_multi_field_phasecenter_dict.ms 2025-10-14 10:01:44 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:01:44 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:01:44 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:01:44 INFO MSTransformManager::open Select data 2025-10-14 10:01:44 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:01:45 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a dictionary of field->center.Using following phase centers: 2025-10-14 10:01:45 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40d06m00' successfully parsed for field 0 2025-10-14 10:01:45 SEVERE phaseshift::::casa Exception Reported: Error in phaseshift: Wrong field ID given: 3. This MeasurementSet has field IDs between 0 and 2 2025-10-14 10:01:45 INFO phaseshift::::casa Traceback (most recent call last): 2025-10-14 10:01:45 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.1-12-py3.10.el8/lib/py/lib/python3.10/site-packages/casashell/private/phaseshift.py", line 577, in __call__ 2025-10-14 10:01:45 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'] ) 2025-10-14 10:01:45 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.1-12-py3.10.el8/lib/py/lib/python3.10/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift 2025-10-14 10:01:45 INFO phaseshift::::casa+ mtlocal.open() 2025-10-14 10:01:45 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.1-12-py3.10.el8/lib/py/lib/python3.10/site-packages/casatools/mstransformer.py", line 36, in open 2025-10-14 10:01:45 INFO phaseshift::::casa+ return self._swigobj.open() 2025-10-14 10:01:45 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.1-12-py3.10.el8/lib/py/lib/python3.10/site-packages/casatools/__casac__/mstransformer.py", line 176, in open 2025-10-14 10:01:45 INFO phaseshift::::casa+ return _mstransformer.mstransformer_open(self) 2025-10-14 10:01:45 INFO phaseshift::::casa+ RuntimeError: Wrong field ID given: 3. This MeasurementSet has field IDs between 0 and 2 2025-10-14 10:01:45 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:01:44.416441 End time: 2025-10-14 10:01:44.831149 2025-10-14 10:01:45 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:01:45 INFO phaseshift::::casa ########################################## .2025-10-14 10:01:45 INFO phaseshift::::casa ########################################## 2025-10-14 10:01:45 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:01:45 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'} ) 2025-10-14 10:01:45 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-10-14 10:01:45 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:01:45 INFO MSTransformManager::parseMsSpecParams Output file name is test_vis_multi_field_phasecenter_dict.ms 2025-10-14 10:01:45 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:01:45 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:01:45 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:01:45 INFO MSTransformManager::open Select data 2025-10-14 10:01:45 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:01:45 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a dictionary of field->center.Using following phase centers: 2025-10-14 10:01:45 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40d06m00' successfully parsed for field 0 2025-10-14 10:01:45 INFO phaseshift::::casa Shift phase center 2025-10-14 10:01:46 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:01:46 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:01:44.902092 End time: 2025-10-14 10:01:45.800952 2025-10-14 10:01:46 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:01:46 INFO phaseshift::::casa ########################################## .2025-10-14 10:01:46 INFO phaseshift::::casa ########################################## 2025-10-14 10:01:46 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:01:46 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'} ) 2025-10-14 10:01:46 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-10-14 10:01:46 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:01:46 INFO MSTransformManager::parseMsSpecParams Output file name is test_vis_multi_field_phasecenter_dict.ms 2025-10-14 10:01:46 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:01:46 INFO MSTransformManager::parseDataSelParams field selection is 0,2 2025-10-14 10:01:46 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:01:46 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:01:46 INFO MSTransformManager::open Select data 2025-10-14 10:01:46 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:01:46 INFO MSTransformDataHandler::makeSelection 11536 out of 15344 rows are going to be considered due to the selection criteria. 2025-10-14 10:01:46 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a dictionary of field->center.Using following phase centers: 2025-10-14 10:01:46 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40d06m00' successfully parsed for field 1 2025-10-14 10:01:46 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 22h01m02 40d04m03' successfully parsed for field 2 2025-10-14 10:01:46 INFO phaseshift::::casa Shift phase center 2025-10-14 10:01:47 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:01:47 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:01:45.932648 End time: 2025-10-14 10:01:46.708477 2025-10-14 10:01:47 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:01:47 INFO phaseshift::::casa ########################################## .2025-10-14 10:01:47 INFO phaseshift::::casa ########################################## 2025-10-14 10:01:47 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:01:47 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'} ) 2025-10-14 10:01:47 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-10-14 10:01:47 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:01:47 INFO MSTransformManager::parseMsSpecParams Output file name is test_vis_multi_field_phasecenter_dict.ms 2025-10-14 10:01:47 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:01:47 INFO MSTransformManager::parseDataSelParams field selection is 0,2 2025-10-14 10:01:47 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:01:47 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:01:47 INFO MSTransformManager::open Select data 2025-10-14 10:01:47 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:01:47 INFO MSTransformDataHandler::makeSelection 11536 out of 15344 rows are going to be considered due to the selection criteria. 2025-10-14 10:01:47 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a dictionary of field->center.Using following phase centers: 2025-10-14 10:01:47 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19h53m50 40d06m00' successfully parsed for field 0 2025-10-14 10:01:47 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 22h01m02 40d04m03' successfully parsed for field 2 2025-10-14 10:01:47 INFO phaseshift::::casa Shift phase center 2025-10-14 10:01:48 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:01:48 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:01:46.832039 End time: 2025-10-14 10:01:47.592143 2025-10-14 10:01:48 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:01:48 INFO phaseshift::::casa ########################################## .2025-10-14 10:01:48 INFO phaseshift::::casa ########################################## 2025-10-14 10:01:48 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:01:48 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' ) 2025-10-14 10:01:48 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-10-14 10:01:48 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:01:48 INFO MSTransformManager::parseMsSpecParams Output file name is test_vis_multi_field_phasecenter_dict.ms 2025-10-14 10:01:48 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:01:48 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:01:48 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:01:48 INFO MSTransformManager::open Select data 2025-10-14 10:01:48 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:01:48 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:01:48 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40d06m00' successfully parsed 2025-10-14 10:01:48 INFO phaseshift::::casa Shift phase center 2025-10-14 10:01:49 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:01:49 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:01:47.689763 End time: 2025-10-14 10:01:48.657705 2025-10-14 10:01:49 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:01:49 INFO phaseshift::::casa ########################################## ..2025-10-14 10:02:00 INFO MeasIERS::fillMeas(MeasIERS::Files, Double) Requested JD 0 is outside the range of the IERS (Earth axis data) table. 2025-10-14 10:02:00 INFO MeasIERS::fillMeas(MeasIERS::Files, Double) + Calculations will proceed with less precision ..2025-10-14 10:02:00 SEVERE Error in QuantumHolder::fromString with input string "xxh53m50": Illegal input units or format 2025-10-14 10:02:00 SEVERE + in converting quantity from string 2025-10-14 10:02:00 SEVERE Exception Reported: Empty QuantumHolder argument for asQuantumDouble 2025-10-14 10:02:00 SEVERE Exception Reports: Empty QuantumHolder argument for asQuantumDouble 2025-10-14 10:02:00 SEVERE phaseshift::::casa *** Error measures.direction() failed for phasecenter string: BOGUS xxh53m50 40d06m00 when interpreting parameter 'phasecenter': ...2025-10-14 10:02:07 INFO phaseshift::::casa ########################################## 2025-10-14 10:02:07 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:02:07 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' ) 2025-10-14 10:02:07 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-10-14 10:02:07 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:02:07 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-10-14 10:02:07 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:02:07 INFO MSTransformManager::parseDataSelParams array selection is 1 2025-10-14 10:02:07 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:02:07 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:02:07 INFO MSTransformManager::open Select data 2025-10-14 10:02:07 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:02:07 SEVERE phaseshift::::casa Exception Reported: Error in phaseshift: MSSelectionNullSelection : The selected table has zero rows. 2025-10-14 10:02:07 INFO phaseshift::::casa Traceback (most recent call last): 2025-10-14 10:02:07 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.1-12-py3.10.el8/lib/py/lib/python3.10/site-packages/casashell/private/phaseshift.py", line 577, in __call__ 2025-10-14 10:02:07 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'] ) 2025-10-14 10:02:07 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.1-12-py3.10.el8/lib/py/lib/python3.10/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift 2025-10-14 10:02:07 INFO phaseshift::::casa+ mtlocal.open() 2025-10-14 10:02:07 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.1-12-py3.10.el8/lib/py/lib/python3.10/site-packages/casatools/mstransformer.py", line 36, in open 2025-10-14 10:02:07 INFO phaseshift::::casa+ return self._swigobj.open() 2025-10-14 10:02:07 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.1-12-py3.10.el8/lib/py/lib/python3.10/site-packages/casatools/__casac__/mstransformer.py", line 176, in open 2025-10-14 10:02:07 INFO phaseshift::::casa+ return _mstransformer.mstransformer_open(self) 2025-10-14 10:02:07 INFO phaseshift::::casa+ RuntimeError: MSSelectionNullSelection : The selected table has zero rows. 2025-10-14 10:02:07 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:02:07.240499 End time: 2025-10-14 10:02:07.293831 2025-10-14 10:02:07 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:02:07 INFO phaseshift::::casa ########################################## 2025-10-14 10:02:07 INFO phaseshift::::casa ########################################## 2025-10-14 10:02:07 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:02:07 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' ) 2025-10-14 10:02:07 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-10-14 10:02:07 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:02:07 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-10-14 10:02:07 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:02:07 INFO MSTransformManager::parseDataSelParams array selection is 0 2025-10-14 10:02:07 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:02:07 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:02:07 INFO MSTransformManager::open Select data 2025-10-14 10:02:07 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:02:08 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2025-10-14 10:02:08 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2025-10-14 10:02:09 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:02:09 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed 2025-10-14 10:02:09 INFO phaseshift::::casa Shift phase center 2025-10-14 10:02:09 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:02:09 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:02:07.295521 End time: 2025-10-14 10:02:08.863581 2025-10-14 10:02:09 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:02:09 INFO phaseshift::::casa ########################################## .2025-10-14 10:02:10 INFO phaseshift::::casa ########################################## 2025-10-14 10:02:10 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:02:10 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' ) 2025-10-14 10:02:10 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-10-14 10:02:10 INFO MSTransformManager::parseMsSpecParams Data column is MODEL 2025-10-14 10:02:10 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-10-14 10:02:10 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:02:10 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:02:10 WARN MSTransformManager::checkDataColumnsToFill MODEL_DATA column requested but not available in input MS 2025-10-14 10:02:10 INFO MSTransformManager::open Select data 2025-10-14 10:02:10 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:02:10 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). 2025-10-14 10:02:10 INFO phaseshift::::casa Traceback (most recent call last): 2025-10-14 10:02:10 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.1-12-py3.10.el8/lib/py/lib/python3.10/site-packages/casashell/private/phaseshift.py", line 577, in __call__ 2025-10-14 10:02:10 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'] ) 2025-10-14 10:02:10 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.1-12-py3.10.el8/lib/py/lib/python3.10/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift 2025-10-14 10:02:10 INFO phaseshift::::casa+ mtlocal.open() 2025-10-14 10:02:10 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.1-12-py3.10.el8/lib/py/lib/python3.10/site-packages/casatools/mstransformer.py", line 36, in open 2025-10-14 10:02:10 INFO phaseshift::::casa+ return self._swigobj.open() 2025-10-14 10:02:10 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.1-12-py3.10.el8/lib/py/lib/python3.10/site-packages/casatools/__casac__/mstransformer.py", line 176, in open 2025-10-14 10:02:10 INFO phaseshift::::casa+ return _mstransformer.mstransformer_open(self) 2025-10-14 10:02:10 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). 2025-10-14 10:02:10 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:02:09.930227 End time: 2025-10-14 10:02:09.961212 2025-10-14 10:02:10 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:02:10 INFO phaseshift::::casa ########################################## 2025-10-14 10:02:10 INFO phaseshift::::casa ########################################## 2025-10-14 10:02:10 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:02:10 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' ) 2025-10-14 10:02:10 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-10-14 10:02:10 INFO MSTransformManager::parseMsSpecParams Data column is DATA 2025-10-14 10:02:10 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-10-14 10:02:10 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:02:10 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:02:10 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:02:10 INFO MSTransformManager::open Select data 2025-10-14 10:02:10 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:02:11 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2025-10-14 10:02:11 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2025-10-14 10:02:11 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:02:11 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed 2025-10-14 10:02:11 INFO phaseshift::::casa Shift phase center 2025-10-14 10:02:11 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:02:11 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:02:09.962430 End time: 2025-10-14 10:02:11.095698 2025-10-14 10:02:11 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:02:11 INFO phaseshift::::casa ########################################## .2025-10-14 10:02:12 INFO phaseshift::::casa ########################################## 2025-10-14 10:02:12 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:02:12 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' ) 2025-10-14 10:02:12 INFO MSTransformManager::parseMsSpecParams Input file name is Itziar_copy.ms 2025-10-14 10:02:12 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:02:12 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-10-14 10:02:12 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:02:12 INFO MSTransformManager::parseDataSelParams field selection is 2 2025-10-14 10:02:12 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:02:12 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:02:12 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:02:12 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:02:12 INFO MSTransformManager::open Select data 2025-10-14 10:02:12 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:02:12 INFO MSTransformDataHandler::makeSelection 6125 out of 245000 rows are going to be considered due to the selection criteria. 2025-10-14 10:02:12 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:02:12 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 00h00m01 -29d55m40' successfully parsed 2025-10-14 10:02:12 INFO phaseshift::::casa Shift phase center 2025-10-14 10:02:13 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:02:13 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:02:12.193815 End time: 2025-10-14 10:02:12.625202 2025-10-14 10:02:13 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:02:13 INFO phaseshift::::casa ########################################## .2025-10-14 10:02:14 INFO phaseshift::::casa ########################################## 2025-10-14 10:02:14 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:02:14 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' ) 2025-10-14 10:02:14 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-10-14 10:02:14 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:02:14 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-10-14 10:02:14 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:02:14 INFO MSTransformManager::parseDataSelParams scan intent selection is *FLUX* 2025-10-14 10:02:14 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:02:14 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:02:14 INFO MSTransformManager::open Select data 2025-10-14 10:02:14 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:02:14 INFO MSTransformDataHandler::makeSelection 570 out of 6270 rows are going to be considered due to the selection criteria. 2025-10-14 10:02:14 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2025-10-14 10:02:14 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2025-10-14 10:02:14 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:02:14 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed 2025-10-14 10:02:14 INFO phaseshift::::casa Shift phase center 2025-10-14 10:02:15 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:02:15 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:02:13.520764 End time: 2025-10-14 10:02:14.570827 2025-10-14 10:02:15 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:02:15 INFO phaseshift::::casa ########################################## .2025-10-14 10:02:16 INFO phaseshift::::casa ########################################## 2025-10-14 10:02:16 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:02:16 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' ) 2025-10-14 10:02:16 INFO MSTransformManager::parseMsSpecParams Input file name is mms_copy.mms 2025-10-14 10:02:16 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:02:16 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-10-14 10:02:16 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:02:16 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:02:16 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:02:16 INFO MSTransformManager::open Select data 2025-10-14 10:02:16 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:02:16 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:02:16 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 05h30m48 13d31m48' successfully parsed 2025-10-14 10:02:16 INFO phaseshift::::casa Shift phase center 2025-10-14 10:02:16 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:02:16 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:02:15.533255 End time: 2025-10-14 10:02:16.123318 2025-10-14 10:02:16 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:02:16 INFO phaseshift::::casa ########################################## .2025-10-14 10:02:17 INFO phaseshift::::casa ########################################## 2025-10-14 10:02:17 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:02:17 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' ) 2025-10-14 10:02:17 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-10-14 10:02:17 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:02:17 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-10-14 10:02:17 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:02:17 INFO MSTransformManager::parseDataSelParams observation selection is 1 2025-10-14 10:02:17 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:02:17 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:02:17 INFO MSTransformManager::open Select data 2025-10-14 10:02:17 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:02:17 SEVERE phaseshift::::casa Exception Reported: Error in phaseshift: MSSelectionNullSelection : The selected table has zero rows. 2025-10-14 10:02:17 INFO phaseshift::::casa Traceback (most recent call last): 2025-10-14 10:02:17 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.1-12-py3.10.el8/lib/py/lib/python3.10/site-packages/casashell/private/phaseshift.py", line 577, in __call__ 2025-10-14 10:02:17 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'] ) 2025-10-14 10:02:17 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.1-12-py3.10.el8/lib/py/lib/python3.10/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift 2025-10-14 10:02:17 INFO phaseshift::::casa+ mtlocal.open() 2025-10-14 10:02:17 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.1-12-py3.10.el8/lib/py/lib/python3.10/site-packages/casatools/mstransformer.py", line 36, in open 2025-10-14 10:02:17 INFO phaseshift::::casa+ return self._swigobj.open() 2025-10-14 10:02:17 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.1-12-py3.10.el8/lib/py/lib/python3.10/site-packages/casatools/__casac__/mstransformer.py", line 176, in open 2025-10-14 10:02:17 INFO phaseshift::::casa+ return _mstransformer.mstransformer_open(self) 2025-10-14 10:02:17 INFO phaseshift::::casa+ RuntimeError: MSSelectionNullSelection : The selected table has zero rows. 2025-10-14 10:02:17 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:02:17.053339 End time: 2025-10-14 10:02:17.092538 2025-10-14 10:02:17 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:02:17 INFO phaseshift::::casa ########################################## 2025-10-14 10:02:17 INFO phaseshift::::casa ########################################## 2025-10-14 10:02:17 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:02:17 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' ) 2025-10-14 10:02:17 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-10-14 10:02:17 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:02:17 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-10-14 10:02:17 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:02:17 INFO MSTransformManager::parseDataSelParams observation selection is 0 2025-10-14 10:02:17 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:02:17 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:02:17 INFO MSTransformManager::open Select data 2025-10-14 10:02:17 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:02:18 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2025-10-14 10:02:18 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2025-10-14 10:02:18 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:02:18 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed 2025-10-14 10:02:18 INFO phaseshift::::casa Shift phase center 2025-10-14 10:02:18 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:02:18 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:02:17.093746 End time: 2025-10-14 10:02:18.196560 2025-10-14 10:02:18 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:02:18 INFO phaseshift::::casa ########################################## .2025-10-14 10:02:19 INFO phaseshift::::casa ########################################## 2025-10-14 10:02:19 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:02:19 INFO phaseshift::::casa phaseshift( vis='datacopy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' ) 2025-10-14 10:02:19 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-10-14 10:02:19 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:02:19 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-10-14 10:02:19 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:02:19 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:02:19 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:02:19 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:02:19 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:02:19 INFO MSTransformManager::open Select data 2025-10-14 10:02:19 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:02:19 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:02:19 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40d06m00' successfully parsed 2025-10-14 10:02:19 INFO phaseshift::::casa Shift phase center 2025-10-14 10:02:21 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:02:21 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:02:19.201952 End time: 2025-10-14 10:02:21.265754 2025-10-14 10:02:21 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:02:21 INFO phaseshift::::casa ########################################## .2025-10-14 10:02:22 INFO phaseshift::::casa ########################################## 2025-10-14 10:02:22 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:02:22 INFO phaseshift::::casa phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='' ) 2025-10-14 10:02:22 SEVERE phaseshift::::casa Exception Reported: Error in phaseshift: phasecenter parameter must be specified 2025-10-14 10:02:22 INFO phaseshift::::casa Traceback (most recent call last): 2025-10-14 10:02:22 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.1-12-py3.10.el8/lib/py/lib/python3.10/site-packages/casashell/private/phaseshift.py", line 577, in __call__ 2025-10-14 10:02:22 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'] ) 2025-10-14 10:02:22 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.1-12-py3.10.el8/lib/py/lib/python3.10/site-packages/casatasks/private/task_phaseshift.py", line 31, in phaseshift 2025-10-14 10:02:22 INFO phaseshift::::casa+ raise ValueError("phasecenter parameter must be specified") 2025-10-14 10:02:22 INFO phaseshift::::casa+ ValueError: phasecenter parameter must be specified 2025-10-14 10:02:22 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:02:22.204396 End time: 2025-10-14 10:02:22.205124 2025-10-14 10:02:22 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:02:22 INFO phaseshift::::casa ########################################## 2025-10-14 10:02:22 INFO phaseshift::::casa ########################################## 2025-10-14 10:02:22 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:02:22 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' ) 2025-10-14 10:02:22 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-10-14 10:02:22 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:02:22 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-10-14 10:02:22 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:02:22 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:02:22 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:02:22 INFO MSTransformManager::open Select data 2025-10-14 10:02:22 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:02:23 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2025-10-14 10:02:23 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2025-10-14 10:02:23 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:02:23 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 00h06m14 -08d23m35' successfully parsed 2025-10-14 10:02:23 INFO phaseshift::::casa Shift phase center 2025-10-14 10:02:23 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:02:23 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:02:22.206291 End time: 2025-10-14 10:02:23.354406 2025-10-14 10:02:23 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:02:23 INFO phaseshift::::casa ########################################## .2025-10-14 10:02:24 INFO phaseshift::::casa ########################################## 2025-10-14 10:02:24 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:02:24 INFO phaseshift::::casa phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='00h06m14 -08d23m35' ) 2025-10-14 10:02:24 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-10-14 10:02:24 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:02:24 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-10-14 10:02:24 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:02:24 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:02:24 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:02:24 INFO MSTransformManager::open Select data 2025-10-14 10:02:24 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:02:25 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2025-10-14 10:02:25 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2025-10-14 10:02:25 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:02:25 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center '00h06m14 -08d23m35' successfully parsed 2025-10-14 10:02:25 INFO phaseshift::::casa Shift phase center 2025-10-14 10:02:26 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:02:26 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:02:24.365138 End time: 2025-10-14 10:02:25.598986 2025-10-14 10:02:26 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:02:26 INFO phaseshift::::casa ########################################## .2025-10-14 10:02:27 INFO phaseshift::::casa ########################################## 2025-10-14 10:02:27 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:02:27 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' ) 2025-10-14 10:02:27 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-10-14 10:02:27 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:02:27 INFO MSTransformManager::parseMsSpecParams Output file name is post_phaseshift.ms 2025-10-14 10:02:27 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:02:27 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:02:27 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:02:27 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:02:27 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:02:27 INFO MSTransformManager::open Select data 2025-10-14 10:02:27 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:02:27 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:02:27 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40d06m00' successfully parsed 2025-10-14 10:02:27 INFO phaseshift::::casa Shift phase center 2025-10-14 10:02:28 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:02:28 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:02:26.576658 End time: 2025-10-14 10:02:28.104810 2025-10-14 10:02:28 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:02:28 INFO phaseshift::::casa ########################################## 2025-10-14 10:02:28 INFO tclean::::casa ########################################## 2025-10-14 10:02:28 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:02:28 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 ) 2025-10-14 10:02:28 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:02:28 INFO SynthesisImagerVi2::selectData MS : datacopy.ms | [Opened in readonly mode] 2025-10-14 10:02:28 INFO SynthesisImagerVi2::selectData NRows selected : 63180 2025-10-14 10:02:28 SEVERE MeasTable::dUTC(Double) (file /source/casa6/casatools/casacore/measures/Measures/MeasTable.cc, line 4290) Leap second table TAI_UTC seems out-of-date. 2025-10-14 10:02:28 SEVERE MeasTable::dUTC(Double) (file /source/casa6/casatools/casacore/measures/Measures/MeasTable.cc, line 4290)+ Until the table is updated (see the CASA documentation or your system admin), 2025-10-14 10:02:28 SEVERE MeasTable::dUTC(Double) (file /source/casa6/casatools/casacore/measures/Measures/MeasTable.cc, line 4290)+ times and coordinates derived from UTC could be wrong by 1s or more. 2025-10-14 10:02:28 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im2_pre] : 2025-10-14 10:02:28 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im2_pre] : 2025-10-14 10:02:28 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:02:28 INFO SynthesisImagerVi2::defineImage Shape: [2048, 2048, 1, 1] Spectral: [1.49998e+09] at [0] with increment [1.99998e+09] 2025-10-14 10:02:28 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im2_pre] with ftmachine : wprojectft 2025-10-14 10:02:28 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.3842 GB. Available mem.: 10.94 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:02:28 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:02:28 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im2_pre] : hogbom 2025-10-14 10:02:28 INFO SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:02:29 INFO WPConvFunc::findConvFunction W projection using 128 planes 2025-10-14 10:02:29 INFO WPConvFunc::findConvFunction Using maximum possible W = 10313.2 (wavelengths) 2025-10-14 10:02:29 INFO WPConvFunc::findConvFunction Typical wavelength = 0.299796 (m) 2025-10-14 10:02:29 INFO WPConvFunc::findConvFunction Scaling in W (at maximum W) = 0.639422 wavelengths per pixel 2025-10-14 10:03:07 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 2025-10-14 10:03:07 INFO WPConvFunc::findConvFunction Memory used in gridding function = 7 MB from maximum 15884 MB 2025-10-14 10:03:10 INFO SIImageStore::calcSensitivity [im2_pre] Theoretical sensitivity (Jy/bm):0.00204403 2025-10-14 10:03:10 INFO SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.13266 2025-10-14 10:03:10 INFO SIImageStore::printBeamSet Beam : 54.8469 arcsec, 48.7749 arcsec, 82.835 deg 2025-10-14 10:03:10 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:03:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:03:14 INFO task_tclean::SDAlgorithmBase::restore [im2_pre] : Restoring model image. 2025-10-14 10:03:14 WARN task_tclean::SIImageStore::restore (file /source/casa6/casatools/src/code/synthesis/ImagerObjects/SIImageStore.cc, line 2298) Restoring with an empty model image. Only residuals will be processed to form the output restored image. 2025-10-14 10:03:14 INFO task_tclean::SIImageStore::restore Beam for chan : 0 : 54.8469 arcsec, 48.7749 arcsec, 82.835 deg 2025-10-14 10:03:14 INFO tclean::::casa Searching for images with prefix 'im2_pre'... Found these, writing history into them: ['im2_pre.image', 'im2_pre.psf', 'im2_pre.pb', 'im2_pre.model', 'im2_pre.residual', 'im2_pre.sumwt'] 2025-10-14 10:03:14 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:02:28.225958 End time: 2025-10-14 10:03:14.273690 2025-10-14 10:03:14 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:03:14 INFO tclean::::casa ########################################## 2025-10-14 10:03:14 INFO tclean::::casa ########################################## 2025-10-14 10:03:14 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:03:14 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 ) 2025-10-14 10:03:14 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:03:14 INFO SynthesisImagerVi2::selectData MS : post_phaseshift.ms | [Opened in readonly mode] 2025-10-14 10:03:14 INFO SynthesisImagerVi2::selectData NRows selected : 63180 2025-10-14 10:03:14 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im2_post_phaseshift] : 2025-10-14 10:03:14 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im2_post_phaseshift] : 2025-10-14 10:03:15 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:03:15 INFO SynthesisImagerVi2::defineImage Shape: [2048, 2048, 1, 1] Spectral: [1.49998e+09] at [0] with increment [1.99998e+09] 2025-10-14 10:03:15 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im2_post_phaseshift] with ftmachine : wprojectft 2025-10-14 10:03:15 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.3842 GB. Available mem.: 10.92 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:03:15 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:03:15 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im2_post_phaseshift] : hogbom 2025-10-14 10:03:15 INFO SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:03:15 INFO WPConvFunc::findConvFunction W projection using 128 planes 2025-10-14 10:03:15 INFO WPConvFunc::findConvFunction Using maximum possible W = 10313.2 (wavelengths) 2025-10-14 10:03:15 INFO WPConvFunc::findConvFunction Typical wavelength = 0.299796 (m) 2025-10-14 10:03:15 INFO WPConvFunc::findConvFunction Scaling in W (at maximum W) = 0.639422 wavelengths per pixel 2025-10-14 10:03:50 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 2025-10-14 10:03:50 INFO WPConvFunc::findConvFunction Memory used in gridding function = 7 MB from maximum 15884 MB 2025-10-14 10:03:53 INFO SIImageStore::calcSensitivity [im2_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00204403 2025-10-14 10:03:53 INFO SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.075401 2025-10-14 10:03:53 INFO SIImageStore::printBeamSet Beam : 54.3737 arcsec, 48.741 arcsec, 82.2249 deg 2025-10-14 10:03:53 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:03:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:03:56 INFO task_tclean::SDAlgorithmBase::restore [im2_post_phaseshift] : Restoring model image. 2025-10-14 10:03:56 WARN task_tclean::SIImageStore::restore (file /source/casa6/casatools/src/code/synthesis/ImagerObjects/SIImageStore.cc, line 2298) Restoring with an empty model image. Only residuals will be processed to form the output restored image. 2025-10-14 10:03:56 INFO task_tclean::SIImageStore::restore Beam for chan : 0 : 54.3737 arcsec, 48.741 arcsec, 82.2249 deg 2025-10-14 10:03:56 INFO tclean::::casa Searching for images with prefix 'im2_post_phaseshift'... Found these, writing history into them: ['im2_post_phaseshift.residual', 'im2_post_phaseshift.psf', 'im2_post_phaseshift.sumwt', 'im2_post_phaseshift.image', 'im2_post_phaseshift.pb', 'im2_post_phaseshift.model'] 2025-10-14 10:03:56 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:03:14.309814 End time: 2025-10-14 10:03:56.400563 2025-10-14 10:03:56 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:03:56 INFO tclean::::casa ########################################## 2025-10-14 10:03:56 INFO tclean::::casa ########################################## 2025-10-14 10:03:56 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:03:56 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 ) 2025-10-14 10:03:56 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:03:56 INFO SynthesisImagerVi2::selectData MS : post_phaseshift.ms | [Opened in readonly mode] 2025-10-14 10:03:56 INFO SynthesisImagerVi2::selectData NRows selected : 63180 2025-10-14 10:03:57 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im2_post_phaseshift_tclean_phasecenter] : 2025-10-14 10:03:57 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im2_post_phaseshift_tclean_phasecenter] : 2025-10-14 10:03:57 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:03:57 INFO SynthesisImagerVi2::defineImage Shape: [2048, 2048, 1, 1] Spectral: [1.49998e+09] at [0] with increment [1.99998e+09] 2025-10-14 10:03:57 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im2_post_phaseshift_tclean_phasecenter] with ftmachine : wprojectft 2025-10-14 10:03:57 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.3842 GB. Available mem.: 10.91 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:03:57 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:03:57 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im2_post_phaseshift_tclean_phasecenter] : hogbom 2025-10-14 10:03:57 INFO SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:03:57 INFO WPConvFunc::findConvFunction W projection using 128 planes 2025-10-14 10:03:57 INFO WPConvFunc::findConvFunction Using maximum possible W = 10313.2 (wavelengths) 2025-10-14 10:03:57 INFO WPConvFunc::findConvFunction Typical wavelength = 0.299796 (m) 2025-10-14 10:03:57 INFO WPConvFunc::findConvFunction Scaling in W (at maximum W) = 0.639422 wavelengths per pixel 2025-10-14 10:04:33 INFO WPConvFunc::findConvFunction Convolution support = [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 28, 28, 28, 28, 28, 28, 28, 28, 28, 32, 32, 32, 32, 32, 32, 32, 32, 36, 36, 36, 36, 36, 36, 36, 40, 40, 40, 40, 40, 40, 44, 44, 44, 44, 44, 44, 44, 48, 48, 48, 48, 48, 52, 52, 52, 52, 52, 52, 56, 56, 56, 56, 56, 60, 60, 60, 60, 60, 64, 64, 64, 64, 64, 68, 68, 68, 68, 68, 72, 72, 72, 72, 76, 76, 76, 76, 80, 80, 80] pixels in Fourier plane 2025-10-14 10:04:33 INFO WPConvFunc::findConvFunction Memory used in gridding function = 7 MB from maximum 15884 MB 2025-10-14 10:04:35 INFO SIImageStore::calcSensitivity [im2_post_phaseshift_tclean_phasecenter] Theoretical sensitivity (Jy/bm):0.00204403 2025-10-14 10:04:36 INFO SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.081876 2025-10-14 10:04:36 INFO SIImageStore::printBeamSet Beam : 54.8469 arcsec, 48.775 arcsec, 82.8349 deg 2025-10-14 10:04:36 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:04:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:04:39 INFO task_tclean::SDAlgorithmBase::restore [im2_post_phaseshift_tclean_phasecenter] : Restoring model image. 2025-10-14 10:04:39 WARN task_tclean::SIImageStore::restore (file /source/casa6/casatools/src/code/synthesis/ImagerObjects/SIImageStore.cc, line 2298) Restoring with an empty model image. Only residuals will be processed to form the output restored image. 2025-10-14 10:04:39 INFO task_tclean::SIImageStore::restore Beam for chan : 0 : 54.8469 arcsec, 48.775 arcsec, 82.8349 deg 2025-10-14 10:04:39 INFO tclean::::casa Searching for images with prefix 'im2_post_phaseshift_tclean_phasecenter'... Found these, writing history into them: ['im2_post_phaseshift_tclean_phasecenter.image', 'im2_post_phaseshift_tclean_phasecenter.psf', 'im2_post_phaseshift_tclean_phasecenter.sumwt', 'im2_post_phaseshift_tclean_phasecenter.residual', 'im2_post_phaseshift_tclean_phasecenter.model', 'im2_post_phaseshift_tclean_phasecenter.pb'] 2025-10-14 10:04:39 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:03:56.424037 End time: 2025-10-14 10:04:39.198507 2025-10-14 10:04:39 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:04:39 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} .2025-10-14 10:04:41 INFO phaseshift::::casa ########################################## 2025-10-14 10:04:41 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:04:41 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' ) 2025-10-14 10:04:41 INFO MSTransformManager::parseMsSpecParams Input file name is ngc_copy.ms 2025-10-14 10:04:41 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:04:41 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-10-14 10:04:41 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:04:41 INFO MSTransformManager::parseDataSelParams spw selection is 1 2025-10-14 10:04:41 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:04:41 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:04:41 INFO MSTransformManager::initDataSelectionParams Selected SPWs Ids are Axis Lengths: [1, 4] (NB: Matrix in Row/Column order) 2025-10-14 10:04:41 INFO MSTransformManager::initDataSelectionParams+ [1, 0, 4, 1] 2025-10-14 10:04:41 INFO MSTransformManager::open Select data 2025-10-14 10:04:41 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:04:41 INFO MSTransformDataHandler::makeSelection 13338 out of 26676 rows are going to be considered due to the selection criteria. 2025-10-14 10:04:41 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:04:41 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 23h11m54 61d10m54' successfully parsed 2025-10-14 10:04:41 INFO phaseshift::::casa Shift phase center 2025-10-14 10:04:41 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:04:41 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:04:40.610340 End time: 2025-10-14 10:04:40.975531 2025-10-14 10:04:41 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:04:41 INFO phaseshift::::casa ########################################## .2025-10-14 10:04:42 INFO phaseshift::::casa ########################################## 2025-10-14 10:04:42 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:04:42 INFO phaseshift::::casa phaseshift( vis='datacopy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' ) 2025-10-14 10:04:42 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-10-14 10:04:42 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:04:42 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-10-14 10:04:42 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:04:42 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:04:42 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:04:42 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:04:42 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:04:42 INFO MSTransformManager::open Select data 2025-10-14 10:04:42 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:04:42 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:04:42 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40d06m00' successfully parsed 2025-10-14 10:04:42 INFO phaseshift::::casa Shift phase center 2025-10-14 10:04:44 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:04:44 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:04:41.936901 End time: 2025-10-14 10:04:43.666325 2025-10-14 10:04:44 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:04:44 INFO phaseshift::::casa ########################################## .2025-10-14 10:04:44 INFO phaseshift::::casa ########################################## 2025-10-14 10:04:44 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:04:44 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' ) 2025-10-14 10:04:44 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:04:44 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:04:44 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:04:44 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:04:44 INFO MSTransformManager::parseDataSelParams field selection is 0 2025-10-14 10:04:44 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:04:44 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:04:44 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:04:44 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:04:44 INFO MSTransformManager::open Select data 2025-10-14 10:04:44 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:04:44 INFO MSTransformDataHandler::makeSelection 3510 out of 7020 rows are going to be considered due to the selection criteria. 2025-10-14 10:04:45 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:04:45 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40.108888889deg' successfully parsed 2025-10-14 10:04:45 INFO phaseshift::::casa Shift phase center 2025-10-14 10:04:45 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:04:45 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:04:44.317286 End time: 2025-10-14 10:04:44.720472 2025-10-14 10:04:45 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:04:45 INFO phaseshift::::casa ########################################## 2025-10-14 10:04:45 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2025-10-14 10:04:45 INFO tclean::::casa ########################################## 2025-10-14 10:04:45 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:04:45 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 ) 2025-10-14 10:04:45 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:04:45 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:04:45 INFO SynthesisImagerVi2::selectData NRows selected : 3510 2025-10-14 10:04:45 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:04:45 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:04:45 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:04:45 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99981e+08] at [0] with increment [9.99998e+07] 2025-10-14 10:04:45 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:04:45 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.94 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:04:45 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:04:45 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:04:45 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:04:45 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 2025-10-14 10:04:45 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.011977 2025-10-14 10:04:45 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg 2025-10-14 10:04:45 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:04:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:04:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:04:45 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:04:45 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:04:45 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:04:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6347251534461975, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:04:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.634725, CycleNiter=20, Gain=0.3 2025-10-14 10:04:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:04:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:04:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:04:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:04:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07467404007911682, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:04:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.074674, CycleNiter=14, Gain=0.3 2025-10-14 10:04:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold. 2025-10-14 10:04:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:04:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:04:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053 2025-10-14 10:04:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00878525897860527, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:04:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00878526, CycleNiter=8, Gain=0.3 2025-10-14 10:04:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold. 2025-10-14 10:04:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:04:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:04:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814184, over full image : 0.00814184 2025-10-14 10:04:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0010335649130865932, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:04:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00103356, CycleNiter=2, Gain=0.3 2025-10-14 10:04:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814184->0.00279265, Reached cycleniter. 2025-10-14 10:04:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:04:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:04:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279276, over full image : 0.00279276 2025-10-14 10:04:46 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:04:46 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:04:46 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:04:46 INFO SIImageStore::restore Beam for chan : 0 : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg 2025-10-14 10:04:46 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:04:46 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:04:44.929539 End time: 2025-10-14 10:04:46.250620 2025-10-14 10:04:46 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:04:46 INFO tclean::::casa ########################################## 2025-10-14 10:04:46 INFO imstat::::casa ########################################## 2025-10-14 10:04:46 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:04:46 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:04:46 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:04:46 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:04:46 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:04:46 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:04:46 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:04:46 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) 2025-10-14 10:04:46 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:04:46 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:04:46 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:04:46 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:04:46 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 9.99981e+08Hz 2025-10-14 10:04:46 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.069, +40.23.25.888, I, 9.99981e+08Hz 2025-10-14 10:04:46 INFO imstat:::: Values --- 2025-10-14 10:04:46 INFO imstat:::: -- flux density [flux]: 4.99409 Jy 2025-10-14 10:04:46 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:04:46 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:04:46 INFO imstat:::: -- minimum value [min]: -0.00012283 Jy/beam 2025-10-14 10:04:46 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 124, 0, 0] 2025-10-14 10:04:46 INFO imstat:::: -- position of min value (pixel) [minpos]: [100, 55, 0, 0] 2025-10-14 10:04:46 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 9.99981e+08Hz 2025-10-14 10:04:46 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:09.479, +39.56.47.897, I, 9.99981e+08Hz 2025-10-14 10:04:46 INFO imstat:::: -- Sum of pixel values [sum]: 605.961 Jy/beam 2025-10-14 10:04:46 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1516.75 Jy/beam.Jy/beam 2025-10-14 10:04:46 INFO imstat:::: Statistics --- 2025-10-14 10:04:46 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00924623 Jy/beam 2025-10-14 10:04:46 INFO imstat:::: -- Variance of the pixel values : 0.0230586 Jy/beam 2025-10-14 10:04:46 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.15185 Jy/beam 2025-10-14 10:04:46 INFO imstat:::: -- Root mean square [rms]: 0.152131 Jy/beam 2025-10-14 10:04:46 INFO imstat:::: -- Median of the pixel values [median]: -2.09007e-05 Jy/beam 2025-10-14 10:04:46 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 3.00259e-05 Jy/beam 2025-10-14 10:04:46 INFO imstat:::: -- IQR [quartile]: 6.1616e-05 Jy/beam 2025-10-14 10:04:46 INFO imstat:::: -- First quartile [q1]: -4.79744e-05 Jy/beam 2025-10-14 10:04:46 INFO imstat:::: -- Third quartile [q3]: 1.36416e-05 Jy/beam 2025-10-14 10:04:46 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:04:46 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:04:46 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:04:46 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:04:46 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:04:46 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:04:46 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 2025-10-14 10:04:46 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:04:46.264000 End time: 2025-10-14 10:04:46.288580 2025-10-14 10:04:46 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:04:46 INFO imstat::::casa ########################################## 2025-10-14 10:04:46 INFO phaseshift::::casa ########################################## 2025-10-14 10:04:46 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:04:46 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' ) 2025-10-14 10:04:46 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:04:46 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:04:46 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:04:46 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:04:46 INFO MSTransformManager::parseDataSelParams field selection is fake 2025-10-14 10:04:46 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:04:46 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:04:46 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:04:46 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:04:46 INFO MSTransformManager::open Select data 2025-10-14 10:04:46 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:04:46 INFO MSTransformDataHandler::makeSelection 3510 out of 7020 rows are going to be considered due to the selection criteria. 2025-10-14 10:04:46 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:04:46 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40.108888889deg' successfully parsed 2025-10-14 10:04:46 INFO phaseshift::::casa Shift phase center 2025-10-14 10:04:47 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:04:47 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:04:46.300357 End time: 2025-10-14 10:04:46.599469 2025-10-14 10:04:47 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:04:47 INFO phaseshift::::casa ########################################## 2025-10-14 10:04:47 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data.ms... 2025-10-14 10:04:47 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2025-10-14 10:04:47 INFO tclean::::casa ########################################## 2025-10-14 10:04:47 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:04:47 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 ) 2025-10-14 10:04:47 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:04:47 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:04:47 INFO SynthesisImagerVi2::selectData NRows selected : 3510 2025-10-14 10:04:47 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:04:47 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:04:47 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:04:47 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99981e+08] at [0] with increment [9.99998e+07] 2025-10-14 10:04:47 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:04:47 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:04:47 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:04:47 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:04:47 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:04:47 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 2025-10-14 10:04:47 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.028292 2025-10-14 10:04:47 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg 2025-10-14 10:04:47 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:04:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:04:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:04:47 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:04:47 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:04:47 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:04:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6347251534461975, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:04:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.634725, CycleNiter=20, Gain=0.3 2025-10-14 10:04:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:04:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:04:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:04:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:04:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07467404007911682, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:04:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.074674, CycleNiter=14, Gain=0.3 2025-10-14 10:04:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold. 2025-10-14 10:04:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:04:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:04:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053 2025-10-14 10:04:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00878525897860527, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:04:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00878526, CycleNiter=8, Gain=0.3 2025-10-14 10:04:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold. 2025-10-14 10:04:48 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:04:48 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:04:48 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814184, over full image : 0.00814184 2025-10-14 10:04:48 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0010335649130865932, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:04:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00103356, CycleNiter=2, Gain=0.3 2025-10-14 10:04:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814184->0.00279265, Reached cycleniter. 2025-10-14 10:04:48 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:04:48 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:04:48 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279276, over full image : 0.00279276 2025-10-14 10:04:48 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:04:48 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:04:48 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:04:48 INFO SIImageStore::restore Beam for chan : 0 : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg 2025-10-14 10:04:48 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:04:48 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:04:46.637877 End time: 2025-10-14 10:04:47.943159 2025-10-14 10:04:48 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:04:48 INFO tclean::::casa ########################################## 2025-10-14 10:04:48 INFO imstat::::casa ########################################## 2025-10-14 10:04:48 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:04:48 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:04:48 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:04:48 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:04:48 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:04:48 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:04:48 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:04:48 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) 2025-10-14 10:04:48 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:04:48 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:04:48 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:04:48 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:04:48 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 9.99981e+08Hz 2025-10-14 10:04:48 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.069, +40.23.25.888, I, 9.99981e+08Hz 2025-10-14 10:04:48 INFO imstat:::: Values --- 2025-10-14 10:04:48 INFO imstat:::: -- flux density [flux]: 4.99409 Jy 2025-10-14 10:04:48 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:04:48 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:04:48 INFO imstat:::: -- minimum value [min]: -0.00012283 Jy/beam 2025-10-14 10:04:48 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 124, 0, 0] 2025-10-14 10:04:48 INFO imstat:::: -- position of min value (pixel) [minpos]: [100, 55, 0, 0] 2025-10-14 10:04:48 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 9.99981e+08Hz 2025-10-14 10:04:48 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:09.479, +39.56.47.897, I, 9.99981e+08Hz 2025-10-14 10:04:48 INFO imstat:::: -- Sum of pixel values [sum]: 605.961 Jy/beam 2025-10-14 10:04:48 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1516.75 Jy/beam.Jy/beam 2025-10-14 10:04:48 INFO imstat:::: Statistics --- 2025-10-14 10:04:48 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00924623 Jy/beam 2025-10-14 10:04:48 INFO imstat:::: -- Variance of the pixel values : 0.0230586 Jy/beam 2025-10-14 10:04:48 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.15185 Jy/beam 2025-10-14 10:04:48 INFO imstat:::: -- Root mean square [rms]: 0.152131 Jy/beam 2025-10-14 10:04:48 INFO imstat:::: -- Median of the pixel values [median]: -2.09007e-05 Jy/beam 2025-10-14 10:04:48 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 3.00259e-05 Jy/beam 2025-10-14 10:04:48 INFO imstat:::: -- IQR [quartile]: 6.1616e-05 Jy/beam 2025-10-14 10:04:48 INFO imstat:::: -- First quartile [q1]: -4.79744e-05 Jy/beam 2025-10-14 10:04:48 INFO imstat:::: -- Third quartile [q3]: 1.36416e-05 Jy/beam 2025-10-14 10:04:48 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:04:48 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:04:48 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:04:48 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:04:48 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:04:48 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:04:48 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 2025-10-14 10:04:48 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:04:47.946275 End time: 2025-10-14 10:04:47.971122 2025-10-14 10:04:48 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:04:48 INFO imstat::::casa ########################################## 2025-10-14 10:04:48 INFO phaseshift::::casa ########################################## 2025-10-14 10:04:48 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:04:48 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40.108888889deg' ) 2025-10-14 10:04:48 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:04:48 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:04:48 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:04:48 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:04:48 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:04:48 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:04:48 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:04:48 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:04:48 INFO MSTransformManager::open Select data 2025-10-14 10:04:48 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:04:48 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:04:48 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40.108888889deg' successfully parsed 2025-10-14 10:04:48 INFO phaseshift::::casa Shift phase center 2025-10-14 10:04:48 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:04:48 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:04:47.985443 End time: 2025-10-14 10:04:48.434311 2025-10-14 10:04:48 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:04:48 INFO phaseshift::::casa ########################################## 2025-10-14 10:04:48 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2025-10-14 10:04:49 INFO tclean::::casa ########################################## 2025-10-14 10:04:49 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:04:49 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:04:49 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:04:49 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:04:49 INFO SynthesisImagerVi2::selectData NRows selected : 7020 2025-10-14 10:04:49 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:04:49 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:04:49 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:04:49 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:04:49 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:04:49 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:04:49 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:04:49 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:04:49 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:04:49 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00843949 2025-10-14 10:04:49 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010117 2025-10-14 10:04:49 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.9193 arcsec, 77.6082 arcsec, 88.5528 deg 2025-10-14 10:04:49 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:04:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:04:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:04:49 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:04:49 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:04:49 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:04:49 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6069034934043884, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:04:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.606903, CycleNiter=20, Gain=0.3 2025-10-14 10:04:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:04:49 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:04:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:04:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:04:50 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07140088081359863, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:04:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0714009, CycleNiter=14, Gain=0.3 2025-10-14 10:04:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold. 2025-10-14 10:04:50 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:04:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:04:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053 2025-10-14 10:04:50 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00840018317103386, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:04:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00840018, CycleNiter=8, Gain=0.3 2025-10-14 10:04:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold. 2025-10-14 10:04:50 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:04:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:04:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814189, over full image : 0.00814189 2025-10-14 10:04:50 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009882674785330892, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:04:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000988267, CycleNiter=2, Gain=0.3 2025-10-14 10:04:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814189->0.00279267, Reached cycleniter. 2025-10-14 10:04:50 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:04:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:04:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0027928, over full image : 0.0027928 2025-10-14 10:04:50 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:04:50 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:04:50 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:04:50 INFO SIImageStore::restore Beam for chan : 0 : 88.9193 arcsec, 77.6082 arcsec, 88.5528 deg 2025-10-14 10:04:50 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:04:50 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:04:48.761779 End time: 2025-10-14 10:04:50.308629 2025-10-14 10:04:50 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:04:50 INFO tclean::::casa ########################################## 2025-10-14 10:04:50 INFO imstat::::casa ########################################## 2025-10-14 10:04:50 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:04:50 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:04:50 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:04:50 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:04:50 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:04:50 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:04:50 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:04:50 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) 2025-10-14 10:04:50 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:04:50 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:04:50 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:04:50 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:04:50 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 999981604.64Hz 2025-10-14 10:04:50 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.069, +40.23.25.888, I, 999981604.64Hz 2025-10-14 10:04:50 INFO imstat:::: Values --- 2025-10-14 10:04:50 INFO imstat:::: -- flux density [flux]: 4.99444 Jy 2025-10-14 10:04:50 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:04:50 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:04:50 INFO imstat:::: -- minimum value [min]: -9.70533e-05 Jy/beam 2025-10-14 10:04:50 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 124, 0, 0] 2025-10-14 10:04:50 INFO imstat:::: -- position of min value (pixel) [minpos]: [158, 70, 0, 0] 2025-10-14 10:04:50 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981604.64Hz 2025-10-14 10:04:50 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:29.120, +39.58.47.882, I, 999981604.64Hz 2025-10-14 10:04:50 INFO imstat:::: -- Sum of pixel values [sum]: 610.203 Jy/beam 2025-10-14 10:04:50 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1527.26 Jy/beam.Jy/beam 2025-10-14 10:04:50 INFO imstat:::: Statistics --- 2025-10-14 10:04:50 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00931096 Jy/beam 2025-10-14 10:04:50 INFO imstat:::: -- Variance of the pixel values : 0.0232178 Jy/beam 2025-10-14 10:04:50 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152374 Jy/beam 2025-10-14 10:04:50 INFO imstat:::: -- Root mean square [rms]: 0.152657 Jy/beam 2025-10-14 10:04:50 INFO imstat:::: -- Median of the pixel values [median]: -1.85752e-05 Jy/beam 2025-10-14 10:04:50 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.83975e-05 Jy/beam 2025-10-14 10:04:50 INFO imstat:::: -- IQR [quartile]: 3.74524e-05 Jy/beam 2025-10-14 10:04:50 INFO imstat:::: -- First quartile [q1]: -3.53147e-05 Jy/beam 2025-10-14 10:04:50 INFO imstat:::: -- Third quartile [q3]: 2.13765e-06 Jy/beam 2025-10-14 10:04:50 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:04:50 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:04:50 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:04:50 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:04:50 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:04:50 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:04:50 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 2025-10-14 10:04:50 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:04:50.313499 End time: 2025-10-14 10:04:50.349855 2025-10-14 10:04:50 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:04:50 INFO imstat::::casa ########################################## 2025-10-14 10:04:50 INFO phaseshift::::casa ########################################## 2025-10-14 10:04:50 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:04:50 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' ) 2025-10-14 10:04:50 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:04:50 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:04:50 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:04:50 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:04:50 INFO MSTransformManager::parseDataSelParams field selection is 1 2025-10-14 10:04:50 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:04:50 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:04:50 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:04:50 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:04:50 INFO MSTransformManager::open Select data 2025-10-14 10:04:50 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:04:50 INFO MSTransformDataHandler::makeSelection 3510 out of 7020 rows are going to be considered due to the selection criteria. 2025-10-14 10:04:51 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:04:51 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 50.108888889deg' successfully parsed 2025-10-14 10:04:51 INFO phaseshift::::casa Shift phase center 2025-10-14 10:04:51 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:04:51 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:04:50.369575 End time: 2025-10-14 10:04:50.738652 2025-10-14 10:04:51 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:04:51 INFO phaseshift::::casa ########################################## 2025-10-14 10:04:51 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2025-10-14 10:04:51 INFO tclean::::casa ########################################## 2025-10-14 10:04:51 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:04:51 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 ) 2025-10-14 10:04:51 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:04:51 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:04:51 INFO SynthesisImagerVi2::selectData NRows selected : 3510 2025-10-14 10:04:51 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:04:51 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:04:51 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:04:51 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99968e+08] at [0] with increment [9.99982e+07] 2025-10-14 10:04:51 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:04:51 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:04:51 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:04:51 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:04:51 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:04:51 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 2025-10-14 10:04:51 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.014502 2025-10-14 10:04:51 INFO task_tclean::SIImageStore::printBeamSet Beam : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg 2025-10-14 10:04:51 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:04:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:04:52 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 0.290316 2025-10-14 10:04:52 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:04:52 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:04:52 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.290316, over full image : 0.290316 2025-10-14 10:04:52 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.03697436675429344, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:04:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0369744, CycleNiter=20, Gain=0.3 2025-10-14 10:04:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->20 [20], model=0->1.38616, peakres=0.290316->0.18329, Reached cycleniter. 2025-10-14 10:04:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:04:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:04:52 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.180075, over full image : 0.180075 2025-10-14 10:04:52 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:04:52 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:04:52 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:04:52 INFO SIImageStore::restore Beam for chan : 0 : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg 2025-10-14 10:04:52 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:04:52 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:04:51.019132 End time: 2025-10-14 10:04:51.900849 2025-10-14 10:04:52 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:04:52 INFO tclean::::casa ########################################## 2025-10-14 10:04:52 INFO imstat::::casa ########################################## 2025-10-14 10:04:52 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:04:52 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 ) 2025-10-14 10:04:52 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:04:52 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:04:52 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:04:52 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:04:52 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:04:52 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) 2025-10-14 10:04:52 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:04:52 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:04:52 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:04:52 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:04:52 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:35.817, +49.49.24.973, I, 9.99968e+08Hz 2025-10-14 10:04:52 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:03.760, +50.23.24.993, I, 9.99968e+08Hz 2025-10-14 10:04:52 INFO imstat:::: Values --- 2025-10-14 10:04:52 INFO imstat:::: -- flux density [flux]: -0.242513 Jy 2025-10-14 10:04:52 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:04:52 INFO imstat:::: -- maximum value [max]: 0.285872 Jy/beam 2025-10-14 10:04:52 INFO imstat:::: -- minimum value [min]: -0.1468 Jy/beam 2025-10-14 10:04:52 INFO imstat:::: -- position of max value (pixel) [maxpos]: [54, 120, 0, 0] 2025-10-14 10:04:52 INFO imstat:::: -- position of min value (pixel) [minpos]: [148, 28, 0, 0] 2025-10-14 10:04:52 INFO imstat:::: -- position of max value (world) [maxposf]: 19:54:51.516, +50.05.26.984, I, 9.99968e+08Hz 2025-10-14 10:04:52 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:33.445, +49.53.11.924, I, 9.99968e+08Hz 2025-10-14 10:04:52 INFO imstat:::: -- Sum of pixel values [sum]: -29.9309 Jy/beam 2025-10-14 10:04:52 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 233.452 Jy/beam.Jy/beam 2025-10-14 10:04:52 INFO imstat:::: Statistics --- 2025-10-14 10:04:52 INFO imstat:::: -- Mean of the pixel values [mean]: -0.00045671 Jy/beam 2025-10-14 10:04:52 INFO imstat:::: -- Variance of the pixel values : 0.00356204 Jy/beam 2025-10-14 10:04:52 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.0596828 Jy/beam 2025-10-14 10:04:52 INFO imstat:::: -- Root mean square [rms]: 0.0596841 Jy/beam 2025-10-14 10:04:52 INFO imstat:::: -- Median of the pixel values [median]: -0.00646386 Jy/beam 2025-10-14 10:04:52 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 0.0391011 Jy/beam 2025-10-14 10:04:52 INFO imstat:::: -- IQR [quartile]: 0.0789052 Jy/beam 2025-10-14 10:04:52 INFO imstat:::: -- First quartile [q1]: -0.0432754 Jy/beam 2025-10-14 10:04:52 INFO imstat:::: -- Third quartile [q3]: 0.0356299 Jy/beam 2025-10-14 10:04:52 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:04:52 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:04:52 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:04:52 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:04:52 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:04:52 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:04:52 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 2025-10-14 10:04:52 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:04:51.904912 End time: 2025-10-14 10:04:51.937289 2025-10-14 10:04:52 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:04:52 INFO imstat::::casa ########################################## 2025-10-14 10:04:52 INFO phaseshift::::casa ########################################## 2025-10-14 10:04:52 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:04:52 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' ) 2025-10-14 10:04:52 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:04:52 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:04:52 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:04:52 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:04:52 INFO MSTransformManager::parseDataSelParams field selection is pretend 2025-10-14 10:04:52 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:04:52 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:04:52 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:04:52 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:04:52 INFO MSTransformManager::open Select data 2025-10-14 10:04:52 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:04:52 INFO MSTransformDataHandler::makeSelection 3510 out of 7020 rows are going to be considered due to the selection criteria. 2025-10-14 10:04:52 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:04:52 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 50.108888889deg' successfully parsed 2025-10-14 10:04:52 INFO phaseshift::::casa Shift phase center 2025-10-14 10:04:52 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:04:52 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:04:51.955373 End time: 2025-10-14 10:04:52.272107 2025-10-14 10:04:52 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:04:52 INFO phaseshift::::casa ########################################## 2025-10-14 10:04:52 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data.ms... 2025-10-14 10:04:52 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2025-10-14 10:04:52 INFO tclean::::casa ########################################## 2025-10-14 10:04:52 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:04:52 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 ) 2025-10-14 10:04:52 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:04:52 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:04:52 INFO SynthesisImagerVi2::selectData NRows selected : 3510 2025-10-14 10:04:52 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:04:52 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:04:52 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:04:52 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99968e+08] at [0] with increment [9.99982e+07] 2025-10-14 10:04:52 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:04:52 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:04:52 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:04:52 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:04:52 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:04:53 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 2025-10-14 10:04:53 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010793 2025-10-14 10:04:53 INFO task_tclean::SIImageStore::printBeamSet Beam : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg 2025-10-14 10:04:53 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:04:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:04:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 0.290316 2025-10-14 10:04:53 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:04:53 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:04:53 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.290316, over full image : 0.290316 2025-10-14 10:04:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.03697436675429344, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:04:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0369744, CycleNiter=20, Gain=0.3 2025-10-14 10:04:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->20 [20], model=0->1.38616, peakres=0.290316->0.18329, Reached cycleniter. 2025-10-14 10:04:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:04:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:04:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.180075, over full image : 0.180075 2025-10-14 10:04:53 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:04:53 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:04:53 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:04:53 INFO SIImageStore::restore Beam for chan : 0 : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg 2025-10-14 10:04:53 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:04:53 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:04:52.310379 End time: 2025-10-14 10:04:52.982898 2025-10-14 10:04:53 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:04:53 INFO tclean::::casa ########################################## 2025-10-14 10:04:53 INFO imstat::::casa ########################################## 2025-10-14 10:04:53 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:04:53 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 ) 2025-10-14 10:04:53 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:04:53 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:04:53 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:04:53 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:04:53 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:04:53 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) 2025-10-14 10:04:53 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:04:53 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:04:53 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:04:53 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:04:53 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:35.817, +49.49.24.973, I, 9.99968e+08Hz 2025-10-14 10:04:53 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:03.760, +50.23.24.993, I, 9.99968e+08Hz 2025-10-14 10:04:53 INFO imstat:::: Values --- 2025-10-14 10:04:53 INFO imstat:::: -- flux density [flux]: -0.242513 Jy 2025-10-14 10:04:53 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:04:53 INFO imstat:::: -- maximum value [max]: 0.285872 Jy/beam 2025-10-14 10:04:53 INFO imstat:::: -- minimum value [min]: -0.1468 Jy/beam 2025-10-14 10:04:53 INFO imstat:::: -- position of max value (pixel) [maxpos]: [54, 120, 0, 0] 2025-10-14 10:04:53 INFO imstat:::: -- position of min value (pixel) [minpos]: [148, 28, 0, 0] 2025-10-14 10:04:53 INFO imstat:::: -- position of max value (world) [maxposf]: 19:54:51.516, +50.05.26.984, I, 9.99968e+08Hz 2025-10-14 10:04:53 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:33.445, +49.53.11.924, I, 9.99968e+08Hz 2025-10-14 10:04:53 INFO imstat:::: -- Sum of pixel values [sum]: -29.9309 Jy/beam 2025-10-14 10:04:53 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 233.452 Jy/beam.Jy/beam 2025-10-14 10:04:53 INFO imstat:::: Statistics --- 2025-10-14 10:04:53 INFO imstat:::: -- Mean of the pixel values [mean]: -0.00045671 Jy/beam 2025-10-14 10:04:53 INFO imstat:::: -- Variance of the pixel values : 0.00356204 Jy/beam 2025-10-14 10:04:53 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.0596828 Jy/beam 2025-10-14 10:04:53 INFO imstat:::: -- Root mean square [rms]: 0.0596841 Jy/beam 2025-10-14 10:04:53 INFO imstat:::: -- Median of the pixel values [median]: -0.00646386 Jy/beam 2025-10-14 10:04:53 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 0.0391011 Jy/beam 2025-10-14 10:04:53 INFO imstat:::: -- IQR [quartile]: 0.0789052 Jy/beam 2025-10-14 10:04:53 INFO imstat:::: -- First quartile [q1]: -0.0432754 Jy/beam 2025-10-14 10:04:53 INFO imstat:::: -- Third quartile [q3]: 0.0356299 Jy/beam 2025-10-14 10:04:53 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:04:53 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:04:53 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:04:53 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:04:53 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:04:53 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:04:53 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 2025-10-14 10:04:53 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:04:52.985304 End time: 2025-10-14 10:04:53.004233 2025-10-14 10:04:53 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:04:53 INFO imstat::::casa ########################################## .2025-10-14 10:04:53 INFO tclean::::casa ########################################## 2025-10-14 10:04:53 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:04:53 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 ) 2025-10-14 10:04:53 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:04:53 INFO SynthesisImagerVi2::selectData MS : sim_data.ms | [Opened in readonly mode] 2025-10-14 10:04:53 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:04:53 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_orig] : 2025-10-14 10:04:53 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_orig] : 2025-10-14 10:04:53 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:04:53 INFO SynthesisImagerVi2::defineImage Shape: [2048, 2048, 1, 1] Spectral: [9.99981e+08] at [0] with increment [1e+08] 2025-10-14 10:04:53 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_orig] with ftmachine : wprojectft 2025-10-14 10:04:53 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.3842 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:04:53 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:04:53 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_orig] : hogbom 2025-10-14 10:04:53 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:04:54 INFO task_tclean::WPConvFunc::findConvFunction W projection using 128 planes 2025-10-14 10:04:54 INFO task_tclean::WPConvFunc::findConvFunction Using maximum possible W = 6445.78 (wavelengths) 2025-10-14 10:04:54 INFO task_tclean::WPConvFunc::findConvFunction Typical wavelength = 0.299799 (m) 2025-10-14 10:04:54 INFO task_tclean::WPConvFunc::findConvFunction Scaling in W (at maximum W) = 0.399639 wavelengths per pixel 2025-10-14 10:05:28 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 2025-10-14 10:05:28 INFO task_tclean::WPConvFunc::findConvFunction Memory used in gridding function = 14 MB from maximum 15884 MB 2025-10-14 10:05:31 INFO task_tclean::SIImageStore::calcSensitivity [im_orig] Theoretical sensitivity (Jy/bm):0.00889437 2025-10-14 10:05:31 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.077478 2025-10-14 10:05:31 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.6975 arcsec, 77.5413 arcsec, -89.6046 deg 2025-10-14 10:05:31 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:05:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:05:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 4.94899 2025-10-14 10:05:34 INFO SynthesisDeconvolver::setupMask [im_orig] Initializing new mask to 1.0 for the full image 2025-10-14 10:05:34 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 % ] 2025-10-14 10:05:34 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 4.94899, over full image : 4.94899 2025-10-14 10:05:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.5971387624740601, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:05:34 INFO SDAlgorithmBase::deconvolve [im_orig] Run Hogbom minor-cycle | CycleThreshold=0.597139, CycleNiter=20, Gain=0.3 2025-10-14 10:05:35 INFO SDAlgorithmBase::deconvolve [im_orig] iters=0->7 [7], model=0->4.6028, peakres=4.94899->0.435227, Reached cyclethreshold. 2025-10-14 10:05:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 7 iterations. 2025-10-14 10:05:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:05:39 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.45574, over full image : 0.45574 2025-10-14 10:05:39 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 13, 'cyclethreshold': 0.05498892068862915, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:05:39 INFO SDAlgorithmBase::deconvolve [im_orig] Run Hogbom minor-cycle | CycleThreshold=0.0549889, CycleNiter=13, Gain=0.3 2025-10-14 10:05:40 INFO SDAlgorithmBase::deconvolve [im_orig] iters=0->7 [7], model=4.6028->5.02619, peakres=0.45574->0.0435268, Reached cyclethreshold. 2025-10-14 10:05:40 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 14 iterations. 2025-10-14 10:05:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:05:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0416506, over full image : 0.0416506 2025-10-14 10:05:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 6, 'cyclethreshold': 0.005025505553930998, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:05:45 INFO SDAlgorithmBase::deconvolve [im_orig] Run Hogbom minor-cycle | CycleThreshold=0.00502551, CycleNiter=6, Gain=0.3 2025-10-14 10:05:45 INFO SDAlgorithmBase::deconvolve [im_orig] iters=0->6 [6], model=5.02619->5.04001, peakres=0.0416506->0.0226678, Reached cycleniter. 2025-10-14 10:05:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:05:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:05:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.022671, over full image : 0.022671 2025-10-14 10:05:50 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:05:50 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:05:50 INFO SDAlgorithmBase::restore [im_orig] : Restoring model image. 2025-10-14 10:05:50 INFO SIImageStore::restore Beam for chan : 0 : 88.6975 arcsec, 77.5413 arcsec, -89.6046 deg 2025-10-14 10:05:51 INFO tclean::::casa Searching for images with prefix 'im_orig'... Found these, writing history into them: ['im_orig.psf', 'im_orig.image', 'im_orig.residual', 'im_orig.pb', 'im_orig.model', 'im_orig.sumwt', 'im_orig.mask'] 2025-10-14 10:05:51 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:04:53.346316 End time: 2025-10-14 10:05:50.826166 2025-10-14 10:05:51 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:05:51 INFO tclean::::casa ########################################## 2025-10-14 10:05:51 INFO imstat::::casa ########################################## 2025-10-14 10:05:51 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:05:51 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 ) 2025-10-14 10:05:51 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:05:51 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:05:51 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:05:51 INFO imstat::image::statistics Determining stats for image im_orig.image 2025-10-14 10:05:51 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:05:51 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) 2025-10-14 10:05:51 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:05:51 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:05:51 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:05:51 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [2047, 2047, 0, 0] 2025-10-14 10:05:51 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 20:11:05.220, +38.21.11.967, I, 999980841.3Hz 2025-10-14 10:05:51 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:47:03.322, +42.54.02.996, I, 999980841.3Hz 2025-10-14 10:05:51 INFO imstat:::: Values --- 2025-10-14 10:05:51 INFO imstat:::: -- flux density [flux]: 5.2713 Jy 2025-10-14 10:05:51 INFO imstat:::: -- number of points [npts]: 4.1943e+06 2025-10-14 10:05:51 INFO imstat:::: -- maximum value [max]: 4.97713 Jy/beam 2025-10-14 10:05:51 INFO imstat:::: -- minimum value [min]: -0.022671 Jy/beam 2025-10-14 10:05:51 INFO imstat:::: -- position of max value (pixel) [maxpos]: [1509, 773, 0, 0] 2025-10-14 10:05:51 INFO imstat:::: -- position of min value (pixel) [minpos]: [1708, 965, 0, 0] 2025-10-14 10:05:51 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.302, +40.06.02.372, I, 999980841.3Hz 2025-10-14 10:05:51 INFO imstat:::: -- position of min value (world) [minposf]: 19:51:28.525, +40.31.07.260, I, 999980841.3Hz 2025-10-14 10:05:51 INFO imstat:::: -- Sum of pixel values [sum]: 641.87 Jy/beam 2025-10-14 10:05:51 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1619.58 Jy/beam.Jy/beam 2025-10-14 10:05:51 INFO imstat:::: Statistics --- 2025-10-14 10:05:51 INFO imstat:::: -- Mean of the pixel values [mean]: 0.000153034 Jy/beam 2025-10-14 10:05:51 INFO imstat:::: -- Variance of the pixel values : 0.000386116 Jy/beam 2025-10-14 10:05:51 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.0196498 Jy/beam 2025-10-14 10:05:51 INFO imstat:::: -- Root mean square [rms]: 0.0196504 Jy/beam 2025-10-14 10:05:51 INFO imstat:::: -- Median of the pixel values [median]: 4.61875e-06 Jy/beam 2025-10-14 10:05:51 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 0.003161 Jy/beam 2025-10-14 10:05:51 INFO imstat:::: -- IQR [quartile]: 0.00632194 Jy/beam 2025-10-14 10:05:51 INFO imstat:::: -- First quartile [q1]: -0.00315521 Jy/beam 2025-10-14 10:05:51 INFO imstat:::: -- Third quartile [q3]: 0.00316673 Jy/beam 2025-10-14 10:05:51 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:05:51 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:05:51 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:05:51 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:05:51 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:05:51 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:05:51 INFO imstat::ImageStatsCalculator::statistics 4.194304e+06 6.418701e+02 1.530337e-04 1.965042e-02 1.964982e-02 -2.267100e-02 4.977134e+00 2025-10-14 10:05:51 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:05:50.831397 End time: 2025-10-14 10:05:51.180319 2025-10-14 10:05:51 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:05:51 INFO imstat::::casa ########################################## 2025-10-14 10:05:51 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:05:51 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:05:51 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) 2025-10-14 10:05:51 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:05:51 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:05:51 2025****** 2025-10-14 10:05:51 INFO ImageFitter::fit+ 2025-10-14 10:05:51 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:05:51 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_orig.image 2025-10-14 10:05:51 INFO ImageFitter::fit+ --- region: 2025-10-14 10:05:51 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:05:51 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:05:51 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:05:51 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:05:51 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:05:51 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:05:51 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:05:51 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) 2025-10-14 10:05:51 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29832 Jy 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.00459192 Jy 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85855 Jy 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00458731 Jy 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ Fit on im_orig.image component 0 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.9885 +/- 0.0032 s (0.0367 arcsec along great circle) 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.0594 +/- 0.0281 arcsec 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ --- ra: 1509.4535 +/- 0.0046 pixels 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ --- dec: 772.7181 +/- 0.0035 pixels 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.4778 +/- 0.0014 arcmin 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.2915 +/- 0.0011 arcmin 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ --- position angle: 89.42 +/- 0.26 deg 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.70 arcsec 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.54 arcsec 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ --- position angle: -89.60 deg 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ Component is a point source 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ An upper limit on its size cannot be determined 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ --- Integrated: 5.0049 +/- 0.0079 Jy 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ --- Peak: 5.0102 +/- 0.0046 Jy/beam 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:05:51 INFO ImageFitter::_fitLoop+ --- frequency: 999.9808 MHz (29.97982 cm) 2025-10-14 10:05:51 INFO phaseshift::::casa ########################################## 2025-10-14 10:05:51 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:05:51 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' ) 2025-10-14 10:05:51 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:05:51 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:05:51 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:05:51 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:05:51 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:05:51 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:05:51 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:05:51 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:05:51 INFO MSTransformManager::open Select data 2025-10-14 10:05:51 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:05:52 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:05:52 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40d06m00' successfully parsed 2025-10-14 10:05:52 INFO phaseshift::::casa Shift phase center 2025-10-14 10:05:52 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:05:52 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:05:51.303143 End time: 2025-10-14 10:05:51.738504 2025-10-14 10:05:52 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:05:52 INFO phaseshift::::casa ########################################## 2025-10-14 10:05:52 INFO tclean::::casa ########################################## 2025-10-14 10:05:52 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:05:52 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 ) 2025-10-14 10:05:52 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:05:52 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:05:52 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:05:52 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:05:52 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:05:52 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:05:52 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:05:52 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:05:52 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:05:52 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:05:52 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:05:52 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:05:52 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:05:52 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.013818 2025-10-14 10:05:52 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:05:52 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:05:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:05:52 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:05:52 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:05:52 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:05:52 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:05:52 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:05:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:05:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:05:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:05:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:05:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:05:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:05:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:05:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:05:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:05:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:05:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:05:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:05:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:05:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:05:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:05:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:05:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:05:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:05:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:05:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:05:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:05:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:05:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:05:53 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:05:53 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:05:53 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:05:54 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:05:54 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:05:54 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:05:51.890517 End time: 2025-10-14 10:05:53.639174 2025-10-14 10:05:54 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:05:54 INFO tclean::::casa ########################################## 2025-10-14 10:05:54 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:05:54 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:05:54 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-10-14 10:05:54 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:05:54 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:05:54 2025****** 2025-10-14 10:05:54 INFO ImageFitter::fit+ 2025-10-14 10:05:54 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:05:54 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:05:54 INFO ImageFitter::fit+ --- region: 2025-10-14 10:05:54 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:05:54 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:05:54 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:05:54 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:05:54 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:05:54 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:05:54 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:05:54 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:05:54 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:05:54 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:05:54 INFO imstat::::casa ########################################## 2025-10-14 10:05:54 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:05:54 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:05:54 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:05:54 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:05:54 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:05:54 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:05:54 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:05:54 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:05:54 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:05:54 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:05:54 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:05:54 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:05:54 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:05:54 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:05:54 INFO imstat:::: Values --- 2025-10-14 10:05:54 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:05:54 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:05:54 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:05:54 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2025-10-14 10:05:54 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:05:54 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:05:54 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:05:54 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:05:54 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:05:54 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:05:54 INFO imstat:::: Statistics --- 2025-10-14 10:05:54 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:05:54 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:05:54 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:05:54 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:05:54 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2025-10-14 10:05:54 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2025-10-14 10:05:54 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2025-10-14 10:05:54 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2025-10-14 10:05:54 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2025-10-14 10:05:54 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:05:54 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:05:54 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:05:54 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:05:54 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:05:54 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:05:54 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 2025-10-14 10:05:54 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:05:53.696703 End time: 2025-10-14 10:05:53.717184 2025-10-14 10:05:54 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:05:54 INFO imstat::::casa ########################################## 2025-10-14 10:05:54 INFO phaseshift::::casa ########################################## 2025-10-14 10:05:54 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:05:54 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 02:40:24.0000' ) 2025-10-14 10:05:54 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:05:54 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:05:54 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:05:54 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:05:54 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:05:54 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:05:54 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:05:54 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:05:54 INFO MSTransformManager::open Select data 2025-10-14 10:05:54 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:05:54 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:40:24.0000" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-10-14 10:05:54 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 02:40:24.0000' successfully parsed 2025-10-14 10:05:54 INFO phaseshift::::casa Shift phase center 2025-10-14 10:05:54 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:05:54 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:05:53.730189 End time: 2025-10-14 10:05:54.157224 2025-10-14 10:05:54 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:05:54 INFO phaseshift::::casa ########################################## 2025-10-14 10:05:54 INFO tclean::::casa ########################################## 2025-10-14 10:05:54 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:05:54 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:05:54 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:05:54 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:05:54 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:05:54 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:05:54 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:05:54 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:05:54 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:05:54 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:05:54 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:05:54 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:05:54 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:05:54 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:05:54 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:05:54 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010908 2025-10-14 10:05:54 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:05:54 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:05:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:05:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:05:55 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:05:55 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:05:55 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:05:55 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:05:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:05:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:05:55 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:05:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:05:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:05:55 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:05:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:05:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:05:55 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:05:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:05:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:05:55 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:05:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:05:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:05:55 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:05:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:05:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:05:55 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:05:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:05:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:05:55 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:05:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:05:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:05:55 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:05:55 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:05:55 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:05:55 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:05:55 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:05:55 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:05:54.177551 End time: 2025-10-14 10:05:55.453686 2025-10-14 10:05:55 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:05:55 INFO tclean::::casa ########################################## 2025-10-14 10:05:55 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:05:55 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:05:55 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) 2025-10-14 10:05:55 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:05:55 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:05:55 2025****** 2025-10-14 10:05:55 INFO ImageFitter::fit+ 2025-10-14 10:05:55 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:05:55 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:05:55 INFO ImageFitter::fit+ --- region: 2025-10-14 10:05:55 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:05:55 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:05:55 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:05:55 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:05:55 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:05:55 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:05:55 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:05:55 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:05:55 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:05:56 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:05:56 INFO imstat::::casa ########################################## 2025-10-14 10:05:56 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:05:56 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:05:56 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:05:56 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:05:56 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:05:56 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:05:56 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:05:56 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:05:56 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:05:56 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:05:56 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:05:56 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:05:56 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:05:56 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:05:56 INFO imstat:::: Values --- 2025-10-14 10:05:56 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:05:56 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:05:56 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:05:56 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2025-10-14 10:05:56 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:05:56 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:05:56 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:05:56 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:05:56 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:05:56 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:05:56 INFO imstat:::: Statistics --- 2025-10-14 10:05:56 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:05:56 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:05:56 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:05:56 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:05:56 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2025-10-14 10:05:56 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2025-10-14 10:05:56 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2025-10-14 10:05:56 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2025-10-14 10:05:56 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2025-10-14 10:05:56 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:05:56 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:05:56 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:05:56 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:05:56 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:05:56 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:05:56 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 2025-10-14 10:05:56 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:05:55.517107 End time: 2025-10-14 10:05:55.541362 2025-10-14 10:05:56 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:05:56 INFO imstat::::casa ########################################## 2025-10-14 10:05:56 INFO phaseshift::::casa ########################################## 2025-10-14 10:05:56 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:05:56 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40.100000000deg' ) 2025-10-14 10:05:56 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:05:56 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:05:56 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:05:56 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:05:56 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:05:56 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:05:56 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:05:56 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:05:56 INFO MSTransformManager::open Select data 2025-10-14 10:05:56 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:05:56 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:05:56 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40.100000000deg' successfully parsed 2025-10-14 10:05:56 INFO phaseshift::::casa Shift phase center 2025-10-14 10:05:56 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:05:56 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:05:55.557495 End time: 2025-10-14 10:05:55.979253 2025-10-14 10:05:56 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:05:56 INFO phaseshift::::casa ########################################## 2025-10-14 10:05:56 INFO tclean::::casa ########################################## 2025-10-14 10:05:56 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:05:56 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:05:56 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:05:56 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:05:56 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:05:56 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:05:56 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:05:56 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:05:56 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:05:56 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:05:56 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:05:56 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:05:56 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:05:56 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:05:56 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:05:56 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.018855 2025-10-14 10:05:56 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:05:56 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:05:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:05:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:05:56 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:05:56 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:05:56 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:05:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:05:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:05:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:05:57 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:05:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:05:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:05:57 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:05:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:05:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:05:57 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:05:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:05:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:05:57 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:05:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:05:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:05:57 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:05:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:05:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:05:57 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:05:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:05:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:05:57 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:05:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:05:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:05:57 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:05:57 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:05:57 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:05:57 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:05:57 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:05:57 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:05:56.000742 End time: 2025-10-14 10:05:57.385337 2025-10-14 10:05:57 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:05:57 INFO tclean::::casa ########################################## 2025-10-14 10:05:57 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:05:57 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:05:57 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-10-14 10:05:57 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:05:57 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:05:57 2025****** 2025-10-14 10:05:57 INFO ImageFitter::fit+ 2025-10-14 10:05:57 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:05:57 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:05:57 INFO ImageFitter::fit+ --- region: 2025-10-14 10:05:57 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:05:57 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:05:57 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:05:57 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:05:57 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:05:57 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:05:57 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:05:57 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:05:57 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:05:57 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:05:57 INFO imstat::::casa ########################################## 2025-10-14 10:05:57 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:05:57 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:05:57 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:05:57 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:05:57 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:05:57 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:05:57 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:05:57 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:05:57 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:05:57 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:05:57 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:05:57 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:05:57 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:05:57 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:05:57 INFO imstat:::: Values --- 2025-10-14 10:05:57 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:05:57 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:05:57 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:05:57 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2025-10-14 10:05:57 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:05:57 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:05:57 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:05:57 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:05:57 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:05:57 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:05:57 INFO imstat:::: Statistics --- 2025-10-14 10:05:57 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:05:57 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:05:57 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:05:57 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:05:57 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2025-10-14 10:05:57 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2025-10-14 10:05:57 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2025-10-14 10:05:57 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2025-10-14 10:05:57 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2025-10-14 10:05:57 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:05:57 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:05:57 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:05:57 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:05:57 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:05:57 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:05:57 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 2025-10-14 10:05:57 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:05:57.439907 End time: 2025-10-14 10:05:57.461485 2025-10-14 10:05:57 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:05:57 INFO imstat::::casa ########################################## 2025-10-14 10:05:57 INFO phaseshift::::casa ########################################## 2025-10-14 10:05:57 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:05:57 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 0.699877030rad' ) 2025-10-14 10:05:57 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:05:57 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:05:57 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:05:57 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:05:57 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:05:57 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:05:57 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:05:57 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:05:57 INFO MSTransformManager::open Select data 2025-10-14 10:05:57 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:05:58 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:05:58 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 0.699877030rad' successfully parsed 2025-10-14 10:05:58 INFO phaseshift::::casa Shift phase center 2025-10-14 10:05:58 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:05:58 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:05:57.475521 End time: 2025-10-14 10:05:57.859070 2025-10-14 10:05:58 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:05:58 INFO phaseshift::::casa ########################################## 2025-10-14 10:05:58 INFO tclean::::casa ########################################## 2025-10-14 10:05:58 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:05:58 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 ) 2025-10-14 10:05:58 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:05:58 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:05:58 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:05:58 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:05:58 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:05:58 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:05:58 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:05:58 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:05:58 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:05:58 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:05:58 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:05:58 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:05:58 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:05:58 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.018211 2025-10-14 10:05:58 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:05:58 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:05:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:05:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:05:58 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:05:58 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:05:59 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:05:59 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:05:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:05:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:05:59 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:05:59 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:05:59 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:05:59 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:05:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:05:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:05:59 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:05:59 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:05:59 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:05:59 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:05:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:05:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:05:59 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:05:59 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:05:59 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:05:59 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:05:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:05:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:05:59 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:05:59 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:05:59 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:05:59 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:05:59 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:05:59 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:05:59 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:05:59 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:00 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:05:57.898746 End time: 2025-10-14 10:05:59.524390 2025-10-14 10:06:00 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:00 INFO tclean::::casa ########################################## 2025-10-14 10:06:00 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:00 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:00 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) 2025-10-14 10:06:00 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:00 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:00 2025****** 2025-10-14 10:06:00 INFO ImageFitter::fit+ 2025-10-14 10:06:00 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:00 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:00 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:00 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:00 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:00 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:00 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:00 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:00 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:00 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:00 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) 2025-10-14 10:06:00 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126486 Jy 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:00 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:00 INFO imstat::::casa ########################################## 2025-10-14 10:06:00 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:00 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 ) 2025-10-14 10:06:00 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:00 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:00 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:00 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:00 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:00 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) 2025-10-14 10:06:00 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:00 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:00 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:00 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:00 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:00 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:00 INFO imstat:::: Values --- 2025-10-14 10:06:00 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:00 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:00 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:00 INFO imstat:::: -- minimum value [min]: -7.77764e-05 Jy/beam 2025-10-14 10:06:00 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:00 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-10-14 10:06:00 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:00 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-10-14 10:06:00 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:00 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:00 INFO imstat:::: Statistics --- 2025-10-14 10:06:00 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:00 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:00 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:00 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:00 INFO imstat:::: -- Median of the pixel values [median]: -1.86664e-05 Jy/beam 2025-10-14 10:06:00 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2025-10-14 10:06:00 INFO imstat:::: -- IQR [quartile]: 3.56255e-05 Jy/beam 2025-10-14 10:06:00 INFO imstat:::: -- First quartile [q1]: -3.45078e-05 Jy/beam 2025-10-14 10:06:00 INFO imstat:::: -- Third quartile [q3]: 1.11764e-06 Jy/beam 2025-10-14 10:06:00 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:00 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:00 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:00 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:00 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:00 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:00 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 2025-10-14 10:06:00 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:05:59.599236 End time: 2025-10-14 10:05:59.625003 2025-10-14 10:06:00 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:00 INFO imstat::::casa ########################################## 2025-10-14 10:06:00 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:00 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:00 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 19:53:50.0000 40d06m00' ) 2025-10-14 10:06:00 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:00 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:00 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:00 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:00 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:00 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:00 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:00 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:00 INFO MSTransformManager::open Select data 2025-10-14 10:06:00 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:00 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:06:00 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19:53:50.0000 40d06m00' successfully parsed 2025-10-14 10:06:00 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:00 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:00 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:05:59.642092 End time: 2025-10-14 10:06:00.053865 2025-10-14 10:06:00 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:00 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:00 INFO tclean::::casa ########################################## 2025-10-14 10:06:00 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:00 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 ) 2025-10-14 10:06:00 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:00 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:00 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:00 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:00 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:00 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:00 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:00 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:00 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:00 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:00 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:00 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:00 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:00 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.01476 2025-10-14 10:06:00 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:00 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:01 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:01 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:01 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:01 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:01 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:01 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:01 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:01 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:01 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:01 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:01 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:01 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:01 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:01 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:01 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:01 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:01 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:06:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:01 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:01 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:01 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:01 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:01 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:01 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:01 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:01 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:02 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:00.088624 End time: 2025-10-14 10:06:01.499567 2025-10-14 10:06:02 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:02 INFO tclean::::casa ########################################## 2025-10-14 10:06:02 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:02 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:02 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) 2025-10-14 10:06:02 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:02 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:02 2025****** 2025-10-14 10:06:02 INFO ImageFitter::fit+ 2025-10-14 10:06:02 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:02 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:02 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:02 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:02 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:02 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:02 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:02 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:02 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:02 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:02 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) 2025-10-14 10:06:02 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:02 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:02 INFO imstat::::casa ########################################## 2025-10-14 10:06:02 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:02 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 ) 2025-10-14 10:06:02 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:02 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:02 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:02 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:02 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:02 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) 2025-10-14 10:06:02 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:02 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:02 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:02 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:02 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:02 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:02 INFO imstat:::: Values --- 2025-10-14 10:06:02 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:02 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:02 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:02 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2025-10-14 10:06:02 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:02 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:06:02 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:02 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:06:02 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:02 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:02 INFO imstat:::: Statistics --- 2025-10-14 10:06:02 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:02 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:02 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:02 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:02 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2025-10-14 10:06:02 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2025-10-14 10:06:02 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2025-10-14 10:06:02 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2025-10-14 10:06:02 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2025-10-14 10:06:02 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:02 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:02 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:02 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:02 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:02 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:02 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 2025-10-14 10:06:02 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:01.567137 End time: 2025-10-14 10:06:01.592150 2025-10-14 10:06:02 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:02 INFO imstat::::casa ########################################## 2025-10-14 10:06:02 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:02 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:02 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 19:53:50.0000 02:40:24.0000' ) 2025-10-14 10:06:02 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:02 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:02 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:02 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:02 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:02 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:02 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:02 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:02 INFO MSTransformManager::open Select data 2025-10-14 10:06:02 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:02 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 ".". 2025-10-14 10:06:02 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19:53:50.0000 02:40:24.0000' successfully parsed 2025-10-14 10:06:02 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:02 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:02 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:01.608572 End time: 2025-10-14 10:06:02.015927 2025-10-14 10:06:02 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:02 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:02 INFO tclean::::casa ########################################## 2025-10-14 10:06:02 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:02 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:06:02 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:02 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:02 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:02 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:02 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:02 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:02 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:02 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:02 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:02 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:02 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:02 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:02 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:02 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010845 2025-10-14 10:06:02 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:02 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:03 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:03 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:03 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:03 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:03 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:03 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:03 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:03 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:03 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:03 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:03 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:03 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:03 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:03 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:03 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:03 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:03 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:06:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:03 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:03 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:03 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:03 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:03 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:03 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:03 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:03 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:03 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:02.037364 End time: 2025-10-14 10:06:03.486932 2025-10-14 10:06:03 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:03 INFO tclean::::casa ########################################## 2025-10-14 10:06:04 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:04 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:04 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) 2025-10-14 10:06:04 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:04 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:04 2025****** 2025-10-14 10:06:04 INFO ImageFitter::fit+ 2025-10-14 10:06:04 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:04 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:04 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:04 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:04 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:04 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:04 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:04 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:04 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:04 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:04 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) 2025-10-14 10:06:04 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:04 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:04 INFO imstat::::casa ########################################## 2025-10-14 10:06:04 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:04 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 ) 2025-10-14 10:06:04 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:04 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:04 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:04 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:04 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:04 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) 2025-10-14 10:06:04 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:04 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:04 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:04 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:04 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:04 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:04 INFO imstat:::: Values --- 2025-10-14 10:06:04 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:04 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:04 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:04 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2025-10-14 10:06:04 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:04 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:06:04 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:04 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:06:04 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:04 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:04 INFO imstat:::: Statistics --- 2025-10-14 10:06:04 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:04 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:04 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:04 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:04 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2025-10-14 10:06:04 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2025-10-14 10:06:04 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2025-10-14 10:06:04 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2025-10-14 10:06:04 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2025-10-14 10:06:04 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:04 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:04 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:04 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:04 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:04 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:04 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777660e-05 4.999996e+00 2025-10-14 10:06:04 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:03.547820 End time: 2025-10-14 10:06:03.571225 2025-10-14 10:06:04 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:04 INFO imstat::::casa ########################################## 2025-10-14 10:06:04 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:04 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:04 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 40.100000000deg' ) 2025-10-14 10:06:04 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:04 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:04 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:04 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:04 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:04 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:04 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:04 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:04 INFO MSTransformManager::open Select data 2025-10-14 10:06:04 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:04 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:06:04 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19:53:50.0000 40.100000000deg' successfully parsed 2025-10-14 10:06:04 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:04 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:04 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:03.586843 End time: 2025-10-14 10:06:03.918799 2025-10-14 10:06:04 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:04 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:04 INFO tclean::::casa ########################################## 2025-10-14 10:06:04 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:04 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 ) 2025-10-14 10:06:04 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:04 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:04 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:04 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:04 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:04 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:04 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:04 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:04 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:04 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:04 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:04 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:04 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:04 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010573 2025-10-14 10:06:04 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:04 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:04 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:04 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:04 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:05 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:05 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:05 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:05 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:05 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:05 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:05 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:05 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:05 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:05 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:06:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:05 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:05 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:05 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:05 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:05 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:05 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:05 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:05 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:05 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:03.940326 End time: 2025-10-14 10:06:05.047215 2025-10-14 10:06:05 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:05 INFO tclean::::casa ########################################## 2025-10-14 10:06:05 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:05 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:05 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) 2025-10-14 10:06:05 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:05 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:05 2025****** 2025-10-14 10:06:05 INFO ImageFitter::fit+ 2025-10-14 10:06:05 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:05 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:05 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:05 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:05 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:05 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:05 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:05 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:05 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:05 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:05 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:06:05 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:05 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:05 INFO imstat::::casa ########################################## 2025-10-14 10:06:05 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:05 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 ) 2025-10-14 10:06:05 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:05 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:05 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:05 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:05 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:05 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) 2025-10-14 10:06:05 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:05 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:05 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:05 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:05 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:05 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:05 INFO imstat:::: Values --- 2025-10-14 10:06:05 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:05 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:05 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:05 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2025-10-14 10:06:05 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:05 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:06:05 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:05 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:06:05 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:05 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:05 INFO imstat:::: Statistics --- 2025-10-14 10:06:05 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:05 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:05 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:05 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:05 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2025-10-14 10:06:05 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2025-10-14 10:06:05 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2025-10-14 10:06:05 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2025-10-14 10:06:05 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2025-10-14 10:06:05 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:05 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:05 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:05 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:05 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:05 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:05 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 2025-10-14 10:06:05 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:05.092911 End time: 2025-10-14 10:06:05.114863 2025-10-14 10:06:05 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:05 INFO imstat::::casa ########################################## 2025-10-14 10:06:05 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:05 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:05 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 0.699877030rad' ) 2025-10-14 10:06:05 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:05 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:05 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:05 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:05 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:05 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:05 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:05 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:05 INFO MSTransformManager::open Select data 2025-10-14 10:06:05 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:05 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:06:05 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19:53:50.0000 0.699877030rad' successfully parsed 2025-10-14 10:06:05 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:05 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:05 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:05.127818 End time: 2025-10-14 10:06:05.467218 2025-10-14 10:06:05 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:05 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:05 INFO tclean::::casa ########################################## 2025-10-14 10:06:05 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:05 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:06:05 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:05 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:05 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:06 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:06 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:06 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:06 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:06 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:06 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:06 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:06 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:06 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:06 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:06 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.0104 2025-10-14 10:06:06 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:06 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:06 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:06 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:06 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:06:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:07 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:07 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:07 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:07 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:07 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:07 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:07 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:07 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:05.488384 End time: 2025-10-14 10:06:06.734837 2025-10-14 10:06:07 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:07 INFO tclean::::casa ########################################## 2025-10-14 10:06:07 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:07 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:07 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) 2025-10-14 10:06:07 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:07 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:07 2025****** 2025-10-14 10:06:07 INFO ImageFitter::fit+ 2025-10-14 10:06:07 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:07 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:07 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:07 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:07 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:07 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:07 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:07 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:07 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:07 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:07 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) 2025-10-14 10:06:07 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126486 Jy 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:07 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:07 INFO imstat::::casa ########################################## 2025-10-14 10:06:07 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:07 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 ) 2025-10-14 10:06:07 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:07 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:07 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:07 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:07 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:07 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) 2025-10-14 10:06:07 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:07 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:07 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:07 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:07 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:07 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:07 INFO imstat:::: Values --- 2025-10-14 10:06:07 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:07 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:07 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:07 INFO imstat:::: -- minimum value [min]: -7.77764e-05 Jy/beam 2025-10-14 10:06:07 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:07 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-10-14 10:06:07 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:07 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-10-14 10:06:07 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:07 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:07 INFO imstat:::: Statistics --- 2025-10-14 10:06:07 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:07 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:07 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:07 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:07 INFO imstat:::: -- Median of the pixel values [median]: -1.86664e-05 Jy/beam 2025-10-14 10:06:07 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2025-10-14 10:06:07 INFO imstat:::: -- IQR [quartile]: 3.56255e-05 Jy/beam 2025-10-14 10:06:07 INFO imstat:::: -- First quartile [q1]: -3.45078e-05 Jy/beam 2025-10-14 10:06:07 INFO imstat:::: -- Third quartile [q3]: 1.11764e-06 Jy/beam 2025-10-14 10:06:07 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:07 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:07 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:07 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:07 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:07 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:07 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 2025-10-14 10:06:07 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:06.774048 End time: 2025-10-14 10:06:06.792987 2025-10-14 10:06:07 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:07 INFO imstat::::casa ########################################## 2025-10-14 10:06:07 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:07 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:07 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 40d06m00' ) 2025-10-14 10:06:07 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:07 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:07 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:07 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:07 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:07 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:07 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:07 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:07 INFO MSTransformManager::open Select data 2025-10-14 10:06:07 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:07 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:06:07 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 298.458333333deg 40d06m00' successfully parsed 2025-10-14 10:06:07 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:07 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:07 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:06.806683 End time: 2025-10-14 10:06:07.158083 2025-10-14 10:06:07 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:07 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:07 INFO tclean::::casa ########################################## 2025-10-14 10:06:07 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:07 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:06:07 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:07 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:07 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:07 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:07 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:07 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:07 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:07 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:07 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:07 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:07 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:07 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:08 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:08 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.015462 2025-10-14 10:06:08 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:08 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:08 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:08 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:08 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:08 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:08 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:08 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:08 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:08 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:08 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:08 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:08 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:08 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:08 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:08 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:06:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:08 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:08 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:09 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:09 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:09 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:09 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:09 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:09 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:09 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:07.179933 End time: 2025-10-14 10:06:08.695823 2025-10-14 10:06:09 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:09 INFO tclean::::casa ########################################## 2025-10-14 10:06:09 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:09 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:09 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) 2025-10-14 10:06:09 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:09 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:09 2025****** 2025-10-14 10:06:09 INFO ImageFitter::fit+ 2025-10-14 10:06:09 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:09 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:09 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:09 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:09 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:09 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:09 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:09 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:09 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:09 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:09 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) 2025-10-14 10:06:09 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:09 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:09 INFO imstat::::casa ########################################## 2025-10-14 10:06:09 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:09 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 ) 2025-10-14 10:06:09 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:09 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:09 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:09 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:09 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:09 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:06:09 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:09 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:09 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:09 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:09 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:09 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:09 INFO imstat:::: Values --- 2025-10-14 10:06:09 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:09 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:09 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:09 INFO imstat:::: -- minimum value [min]: -7.77758e-05 Jy/beam 2025-10-14 10:06:09 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:09 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:06:09 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:09 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:06:09 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:09 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:09 INFO imstat:::: Statistics --- 2025-10-14 10:06:09 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:09 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:09 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:09 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:09 INFO imstat:::: -- Median of the pixel values [median]: -1.86641e-05 Jy/beam 2025-10-14 10:06:09 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2025-10-14 10:06:09 INFO imstat:::: -- IQR [quartile]: 3.56208e-05 Jy/beam 2025-10-14 10:06:09 INFO imstat:::: -- First quartile [q1]: -3.45075e-05 Jy/beam 2025-10-14 10:06:09 INFO imstat:::: -- Third quartile [q3]: 1.11336e-06 Jy/beam 2025-10-14 10:06:09 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:09 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:09 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:09 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:09 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:09 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:09 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 2025-10-14 10:06:09 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:08.740155 End time: 2025-10-14 10:06:08.758876 2025-10-14 10:06:09 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:09 INFO imstat::::casa ########################################## 2025-10-14 10:06:09 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:09 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:09 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 02:40:24.0000' ) 2025-10-14 10:06:09 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:09 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:09 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:09 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:09 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:09 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:09 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:09 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:09 INFO MSTransformManager::open Select data 2025-10-14 10:06:09 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:09 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:40:24.0000" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-10-14 10:06:09 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 298.458333333deg 02:40:24.0000' successfully parsed 2025-10-14 10:06:09 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:09 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:09 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:08.772464 End time: 2025-10-14 10:06:09.087406 2025-10-14 10:06:09 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:09 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:09 INFO tclean::::casa ########################################## 2025-10-14 10:06:09 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:09 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 ) 2025-10-14 10:06:09 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:09 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:09 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:09 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:09 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:09 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:09 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:09 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:09 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:09 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:09 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:09 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:09 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:09 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010925 2025-10-14 10:06:09 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:09 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:10 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:10 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:10 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:10 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:10 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:10 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:06:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:10 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:10 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:10 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:10 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:10 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:10 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:10 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:09.109326 End time: 2025-10-14 10:06:10.336935 2025-10-14 10:06:10 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:10 INFO tclean::::casa ########################################## 2025-10-14 10:06:10 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:10 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:10 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) 2025-10-14 10:06:10 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:10 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:10 2025****** 2025-10-14 10:06:10 INFO ImageFitter::fit+ 2025-10-14 10:06:10 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:10 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:10 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:10 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:10 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:10 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:10 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:10 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:10 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:10 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:10 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:06:10 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:10 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:10 INFO imstat::::casa ########################################## 2025-10-14 10:06:10 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:10 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 ) 2025-10-14 10:06:10 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:10 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:10 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:10 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:10 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:10 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) 2025-10-14 10:06:10 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:10 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:10 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:10 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:10 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:10 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:10 INFO imstat:::: Values --- 2025-10-14 10:06:10 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:10 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:10 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:10 INFO imstat:::: -- minimum value [min]: -7.77758e-05 Jy/beam 2025-10-14 10:06:10 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:10 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:06:10 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:10 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:06:10 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:10 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:10 INFO imstat:::: Statistics --- 2025-10-14 10:06:10 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:10 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:10 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:10 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:10 INFO imstat:::: -- Median of the pixel values [median]: -1.86641e-05 Jy/beam 2025-10-14 10:06:10 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2025-10-14 10:06:10 INFO imstat:::: -- IQR [quartile]: 3.56208e-05 Jy/beam 2025-10-14 10:06:10 INFO imstat:::: -- First quartile [q1]: -3.45075e-05 Jy/beam 2025-10-14 10:06:10 INFO imstat:::: -- Third quartile [q3]: 1.11336e-06 Jy/beam 2025-10-14 10:06:10 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:10 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:10 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:10 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:10 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:10 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:10 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 2025-10-14 10:06:10 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:10.381068 End time: 2025-10-14 10:06:10.400543 2025-10-14 10:06:10 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:10 INFO imstat::::casa ########################################## 2025-10-14 10:06:10 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:10 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:10 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 40.100000000deg' ) 2025-10-14 10:06:10 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:10 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:10 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:10 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:10 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:10 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:10 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:10 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:10 INFO MSTransformManager::open Select data 2025-10-14 10:06:10 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:11 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:06:11 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 298.458333333deg 40.100000000deg' successfully parsed 2025-10-14 10:06:11 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:11 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:11 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:10.414146 End time: 2025-10-14 10:06:10.839184 2025-10-14 10:06:11 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:11 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:11 INFO tclean::::casa ########################################## 2025-10-14 10:06:11 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:11 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:06:11 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:11 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:11 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:11 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:11 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:11 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:11 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:11 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:11 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:11 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:11 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:11 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:11 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:11 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.013689 2025-10-14 10:06:11 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:11 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:11 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:11 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:11 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:11 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:06:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:12 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:12 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:12 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:12 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:12 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:12 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:10.880755 End time: 2025-10-14 10:06:12.333791 2025-10-14 10:06:12 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:12 INFO tclean::::casa ########################################## 2025-10-14 10:06:12 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:12 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:12 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) 2025-10-14 10:06:12 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:12 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:12 2025****** 2025-10-14 10:06:12 INFO ImageFitter::fit+ 2025-10-14 10:06:12 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:12 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:12 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:12 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:12 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:12 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:12 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:12 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:12 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:12 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:12 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) 2025-10-14 10:06:12 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:12 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:12 INFO imstat::::casa ########################################## 2025-10-14 10:06:12 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:12 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 ) 2025-10-14 10:06:12 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:12 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:12 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:12 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:12 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:12 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) 2025-10-14 10:06:12 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:12 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:12 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:12 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:12 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:12 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:12 INFO imstat:::: Values --- 2025-10-14 10:06:12 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:12 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:12 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:12 INFO imstat:::: -- minimum value [min]: -7.77758e-05 Jy/beam 2025-10-14 10:06:12 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:12 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:06:12 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:12 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:06:12 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:12 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:12 INFO imstat:::: Statistics --- 2025-10-14 10:06:12 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:12 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:12 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:12 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:12 INFO imstat:::: -- Median of the pixel values [median]: -1.86641e-05 Jy/beam 2025-10-14 10:06:12 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2025-10-14 10:06:12 INFO imstat:::: -- IQR [quartile]: 3.56208e-05 Jy/beam 2025-10-14 10:06:12 INFO imstat:::: -- First quartile [q1]: -3.45075e-05 Jy/beam 2025-10-14 10:06:12 INFO imstat:::: -- Third quartile [q3]: 1.11336e-06 Jy/beam 2025-10-14 10:06:12 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:12 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:12 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:12 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:12 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:12 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:12 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 2025-10-14 10:06:12 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:12.377921 End time: 2025-10-14 10:06:12.398592 2025-10-14 10:06:12 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:12 INFO imstat::::casa ########################################## 2025-10-14 10:06:12 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:12 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:12 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 0.699877030rad' ) 2025-10-14 10:06:12 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:12 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:12 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:12 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:12 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:12 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:12 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:12 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:12 INFO MSTransformManager::open Select data 2025-10-14 10:06:12 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:13 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:06:13 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 298.458333333deg 0.699877030rad' successfully parsed 2025-10-14 10:06:13 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:13 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:13 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:12.411482 End time: 2025-10-14 10:06:12.861526 2025-10-14 10:06:13 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:13 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:13 INFO tclean::::casa ########################################## 2025-10-14 10:06:13 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:13 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 ) 2025-10-14 10:06:13 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:13 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:13 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:13 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:13 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:13 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:13 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:13 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:13 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:13 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:13 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:13 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:13 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:13 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.013059 2025-10-14 10:06:13 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:13 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:13 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:13 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:13 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:13 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:14 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:14 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:14 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:14 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:14 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:06:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:14 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:14 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:14 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:14 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:14 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:14 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:14 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:12.883023 End time: 2025-10-14 10:06:14.438038 2025-10-14 10:06:14 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:14 INFO tclean::::casa ########################################## 2025-10-14 10:06:14 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:14 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:14 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-10-14 10:06:14 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:14 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:14 2025****** 2025-10-14 10:06:14 INFO ImageFitter::fit+ 2025-10-14 10:06:14 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:14 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:14 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:14 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:14 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:14 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:14 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:14 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:14 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:14 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:14 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:06:14 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126487 Jy 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:14 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:14 INFO imstat::::casa ########################################## 2025-10-14 10:06:14 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:14 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:06:15 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:15 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:15 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:15 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:15 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:15 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) 2025-10-14 10:06:15 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:15 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:15 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:15 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:15 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:15 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:15 INFO imstat:::: Values --- 2025-10-14 10:06:15 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:15 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:15 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:15 INFO imstat:::: -- minimum value [min]: -7.77738e-05 Jy/beam 2025-10-14 10:06:15 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:15 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:06:15 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:15 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:06:15 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:15 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:15 INFO imstat:::: Statistics --- 2025-10-14 10:06:15 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:15 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:15 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:15 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:15 INFO imstat:::: -- Median of the pixel values [median]: -1.86662e-05 Jy/beam 2025-10-14 10:06:15 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73577e-05 Jy/beam 2025-10-14 10:06:15 INFO imstat:::: -- IQR [quartile]: 3.56242e-05 Jy/beam 2025-10-14 10:06:15 INFO imstat:::: -- First quartile [q1]: -3.45075e-05 Jy/beam 2025-10-14 10:06:15 INFO imstat:::: -- Third quartile [q3]: 1.11673e-06 Jy/beam 2025-10-14 10:06:15 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:15 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:15 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:15 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:15 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:15 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:15 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 2025-10-14 10:06:15 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:14.496226 End time: 2025-10-14 10:06:14.515494 2025-10-14 10:06:15 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:15 INFO imstat::::casa ########################################## 2025-10-14 10:06:15 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:15 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:15 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 40d06m00' ) 2025-10-14 10:06:15 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:15 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:15 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:15 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:15 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:15 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:15 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:15 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:15 INFO MSTransformManager::open Select data 2025-10-14 10:06:15 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:15 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:06:15 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 5.209080597rad 40d06m00' successfully parsed 2025-10-14 10:06:15 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:15 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:15 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:14.528847 End time: 2025-10-14 10:06:14.888278 2025-10-14 10:06:15 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:15 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:15 INFO tclean::::casa ########################################## 2025-10-14 10:06:15 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:15 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 ) 2025-10-14 10:06:15 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:15 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:15 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:15 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:15 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:15 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:15 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:15 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:15 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:15 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:15 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:15 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:15 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:15 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010109 2025-10-14 10:06:15 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:15 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:15 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:15 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:15 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:16 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:16 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:16 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:06:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:16 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:16 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:16 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:16 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:16 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:16 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:14.909594 End time: 2025-10-14 10:06:16.161834 2025-10-14 10:06:16 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:16 INFO tclean::::casa ########################################## 2025-10-14 10:06:16 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:16 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:16 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-10-14 10:06:16 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:16 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:16 2025****** 2025-10-14 10:06:16 INFO ImageFitter::fit+ 2025-10-14 10:06:16 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:16 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:16 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:16 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:16 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:16 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:16 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:16 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:16 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:16 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:16 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:06:16 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:16 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:16 INFO imstat::::casa ########################################## 2025-10-14 10:06:16 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:16 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:06:16 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:16 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:16 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:16 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:16 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:16 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:06:16 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:16 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:16 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:16 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:16 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:16 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:16 INFO imstat:::: Values --- 2025-10-14 10:06:16 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:16 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:16 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:16 INFO imstat:::: -- minimum value [min]: -7.77801e-05 Jy/beam 2025-10-14 10:06:16 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:16 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-10-14 10:06:16 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:16 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-10-14 10:06:16 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:16 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:16 INFO imstat:::: Statistics --- 2025-10-14 10:06:16 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:16 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:16 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:16 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:16 INFO imstat:::: -- Median of the pixel values [median]: -1.86723e-05 Jy/beam 2025-10-14 10:06:16 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam 2025-10-14 10:06:16 INFO imstat:::: -- IQR [quartile]: 3.55964e-05 Jy/beam 2025-10-14 10:06:16 INFO imstat:::: -- First quartile [q1]: -3.45025e-05 Jy/beam 2025-10-14 10:06:16 INFO imstat:::: -- Third quartile [q3]: 1.09391e-06 Jy/beam 2025-10-14 10:06:16 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:16 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:16 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:16 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:16 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:16 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:16 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 2025-10-14 10:06:16 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:16.216758 End time: 2025-10-14 10:06:16.236557 2025-10-14 10:06:16 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:16 INFO imstat::::casa ########################################## 2025-10-14 10:06:16 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:16 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:16 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 5.209080597rad 02:40:24.0000' ) 2025-10-14 10:06:16 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:16 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:16 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:16 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:16 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:16 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:16 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:16 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:16 INFO MSTransformManager::open Select data 2025-10-14 10:06:16 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:16 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 ".". 2025-10-14 10:06:16 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 5.209080597rad 02:40:24.0000' successfully parsed 2025-10-14 10:06:16 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:17 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:17 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:16.250142 End time: 2025-10-14 10:06:16.673684 2025-10-14 10:06:17 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:17 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:17 INFO tclean::::casa ########################################## 2025-10-14 10:06:17 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:17 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:06:17 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:17 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:17 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:17 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:17 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:17 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:17 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:17 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:17 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:17 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:17 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:17 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:17 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:17 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.013734 2025-10-14 10:06:17 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:17 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:17 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:17 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:17 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:18 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:18 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:18 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:18 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:18 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:18 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:06:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:18 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:18 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:18 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:18 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:18 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:18 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:18 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:18 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:18 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:16.695400 End time: 2025-10-14 10:06:17.929668 2025-10-14 10:06:18 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:18 INFO tclean::::casa ########################################## 2025-10-14 10:06:18 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:18 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:18 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) 2025-10-14 10:06:18 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:18 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:18 2025****** 2025-10-14 10:06:18 INFO ImageFitter::fit+ 2025-10-14 10:06:18 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:18 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:18 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:18 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:18 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:18 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:18 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:18 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:18 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:18 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:18 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) 2025-10-14 10:06:18 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:18 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:18 INFO imstat::::casa ########################################## 2025-10-14 10:06:18 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:18 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 ) 2025-10-14 10:06:18 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:18 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:18 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:18 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:18 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:18 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) 2025-10-14 10:06:18 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:18 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:18 INFO imstat:::: Values --- 2025-10-14 10:06:18 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:18 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:18 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:18 INFO imstat:::: -- minimum value [min]: -7.77801e-05 Jy/beam 2025-10-14 10:06:18 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:18 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-10-14 10:06:18 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:18 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-10-14 10:06:18 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:18 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:18 INFO imstat:::: Statistics --- 2025-10-14 10:06:18 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:18 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:18 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:18 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:18 INFO imstat:::: -- Median of the pixel values [median]: -1.86723e-05 Jy/beam 2025-10-14 10:06:18 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam 2025-10-14 10:06:18 INFO imstat:::: -- IQR [quartile]: 3.55964e-05 Jy/beam 2025-10-14 10:06:18 INFO imstat:::: -- First quartile [q1]: -3.45025e-05 Jy/beam 2025-10-14 10:06:18 INFO imstat:::: -- Third quartile [q3]: 1.09391e-06 Jy/beam 2025-10-14 10:06:18 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:18 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:18 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:18 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:18 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:18 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:18 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778010e-05 4.999996e+00 2025-10-14 10:06:18 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:17.971403 End time: 2025-10-14 10:06:17.990636 2025-10-14 10:06:18 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:18 INFO imstat::::casa ########################################## 2025-10-14 10:06:18 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:18 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:18 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 40.100000000deg' ) 2025-10-14 10:06:18 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:18 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:18 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:18 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:18 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:18 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:18 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:18 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:18 INFO MSTransformManager::open Select data 2025-10-14 10:06:18 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:18 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:06:18 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 5.209080597rad 40.100000000deg' successfully parsed 2025-10-14 10:06:18 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:18 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:18 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:18.004048 End time: 2025-10-14 10:06:18.414694 2025-10-14 10:06:18 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:18 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:18 INFO tclean::::casa ########################################## 2025-10-14 10:06:18 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:18 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 ) 2025-10-14 10:06:18 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:18 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:18 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:19 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:19 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:19 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:19 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:19 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:19 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:19 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:19 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:19 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:19 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:19 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.011316 2025-10-14 10:06:19 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:19 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:19 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:19 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:19 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:06:20 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:20 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:20 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:20 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:20 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:20 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:20 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:20 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:20 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:20 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:18.436128 End time: 2025-10-14 10:06:19.774026 2025-10-14 10:06:20 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:20 INFO tclean::::casa ########################################## 2025-10-14 10:06:20 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:20 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:20 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) 2025-10-14 10:06:20 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:20 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:20 2025****** 2025-10-14 10:06:20 INFO ImageFitter::fit+ 2025-10-14 10:06:20 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:20 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:20 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:20 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:20 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:20 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:20 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:20 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:20 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:20 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:20 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) 2025-10-14 10:06:20 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:20 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:20 INFO imstat::::casa ########################################## 2025-10-14 10:06:20 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:20 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 ) 2025-10-14 10:06:20 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:20 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:20 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:20 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:20 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:20 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) 2025-10-14 10:06:20 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:20 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:20 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:20 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:20 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:20 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:20 INFO imstat:::: Values --- 2025-10-14 10:06:20 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:20 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:20 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:20 INFO imstat:::: -- minimum value [min]: -7.77801e-05 Jy/beam 2025-10-14 10:06:20 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:20 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-10-14 10:06:20 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:20 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-10-14 10:06:20 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:20 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:20 INFO imstat:::: Statistics --- 2025-10-14 10:06:20 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:20 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:20 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:20 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:20 INFO imstat:::: -- Median of the pixel values [median]: -1.86723e-05 Jy/beam 2025-10-14 10:06:20 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam 2025-10-14 10:06:20 INFO imstat:::: -- IQR [quartile]: 3.55964e-05 Jy/beam 2025-10-14 10:06:20 INFO imstat:::: -- First quartile [q1]: -3.45025e-05 Jy/beam 2025-10-14 10:06:20 INFO imstat:::: -- Third quartile [q3]: 1.09391e-06 Jy/beam 2025-10-14 10:06:20 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:20 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:20 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:20 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:20 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:20 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:20 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 2025-10-14 10:06:20 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:19.849108 End time: 2025-10-14 10:06:19.874089 2025-10-14 10:06:20 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:20 INFO imstat::::casa ########################################## 2025-10-14 10:06:20 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:20 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:20 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 0.699877030rad' ) 2025-10-14 10:06:20 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:20 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:20 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:20 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:20 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:20 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:20 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:20 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:20 INFO MSTransformManager::open Select data 2025-10-14 10:06:20 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:20 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:06:20 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 5.209080597rad 0.699877030rad' successfully parsed 2025-10-14 10:06:20 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:20 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:20 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:19.889773 End time: 2025-10-14 10:06:20.327205 2025-10-14 10:06:20 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:20 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:20 INFO tclean::::casa ########################################## 2025-10-14 10:06:20 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:20 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:06:20 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:20 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:20 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:20 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:20 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:20 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:20 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:20 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:20 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:20 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:20 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:20 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:21 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:21 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.015061 2025-10-14 10:06:21 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:21 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:21 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:21 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:21 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:22 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:22 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:06:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:22 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:22 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:22 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:22 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:22 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:22 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:22 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:22 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:22 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:20.348820 End time: 2025-10-14 10:06:21.828348 2025-10-14 10:06:22 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:22 INFO tclean::::casa ########################################## 2025-10-14 10:06:22 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:22 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:22 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-10-14 10:06:22 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:22 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:22 2025****** 2025-10-14 10:06:22 INFO ImageFitter::fit+ 2025-10-14 10:06:22 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:22 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:22 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:22 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:22 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:22 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:22 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:22 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:22 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:22 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:22 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:06:22 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126484 Jy 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:22 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:22 INFO imstat::::casa ########################################## 2025-10-14 10:06:22 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:22 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:06:22 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:22 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:22 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:22 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:22 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:22 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:06:22 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:22 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:22 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:22 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:22 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:22 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:22 INFO imstat:::: Values --- 2025-10-14 10:06:22 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:22 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:22 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:22 INFO imstat:::: -- minimum value [min]: -7.77793e-05 Jy/beam 2025-10-14 10:06:22 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:22 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-10-14 10:06:22 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:22 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-10-14 10:06:22 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:22 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:22 INFO imstat:::: Statistics --- 2025-10-14 10:06:22 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:22 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:22 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:22 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:22 INFO imstat:::: -- Median of the pixel values [median]: -1.86714e-05 Jy/beam 2025-10-14 10:06:22 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73592e-05 Jy/beam 2025-10-14 10:06:22 INFO imstat:::: -- IQR [quartile]: 3.55982e-05 Jy/beam 2025-10-14 10:06:22 INFO imstat:::: -- First quartile [q1]: -3.45035e-05 Jy/beam 2025-10-14 10:06:22 INFO imstat:::: -- Third quartile [q3]: 1.09469e-06 Jy/beam 2025-10-14 10:06:22 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:22 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:22 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:22 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:22 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:22 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:22 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 2025-10-14 10:06:22 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:21.872033 End time: 2025-10-14 10:06:21.892270 2025-10-14 10:06:22 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:22 INFO imstat::::casa ########################################## 2025-10-14 10:06:22 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:22 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:22 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19h53m49.9980 40d06m0.0019' ) 2025-10-14 10:06:22 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:22 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:22 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:22 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:22 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:22 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:22 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:22 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:22 INFO MSTransformManager::open Select data 2025-10-14 10:06:22 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:22 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:06:22 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19h53m49.9980 40d06m0.0019' successfully parsed 2025-10-14 10:06:22 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:22 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:22 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:21.906928 End time: 2025-10-14 10:06:22.386611 2025-10-14 10:06:22 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:22 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:22 INFO tclean::::casa ########################################## 2025-10-14 10:06:22 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:22 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 ) 2025-10-14 10:06:22 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:22 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:22 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:23 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:23 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:23 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:23 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:23 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:23 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:23 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:23 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:23 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:23 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:23 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.016662 2025-10-14 10:06:23 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:23 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:23 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:23 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:23 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:24 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:24 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:24 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:24 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:06:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:24 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:24 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:24 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:24 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:24 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:24 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:24 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:24 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:22.432330 End time: 2025-10-14 10:06:23.992045 2025-10-14 10:06:24 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:24 INFO tclean::::casa ########################################## 2025-10-14 10:06:24 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:24 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:24 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-10-14 10:06:24 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:24 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:24 2025****** 2025-10-14 10:06:24 INFO ImageFitter::fit+ 2025-10-14 10:06:24 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:24 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:24 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:24 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:24 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:24 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:24 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:24 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:24 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:24 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:24 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:06:24 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:24 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:24 INFO imstat::::casa ########################################## 2025-10-14 10:06:24 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:24 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:06:24 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:24 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:24 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:24 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:24 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:24 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:06:24 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:24 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:24 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:24 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:24 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:24 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:24 INFO imstat:::: Values --- 2025-10-14 10:06:24 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:24 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:24 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:24 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2025-10-14 10:06:24 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:24 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:06:24 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:24 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-10-14 10:06:24 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:24 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:24 INFO imstat:::: Statistics --- 2025-10-14 10:06:24 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:24 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:24 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:24 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:24 INFO imstat:::: -- Median of the pixel values [median]: -1.86712e-05 Jy/beam 2025-10-14 10:06:24 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam 2025-10-14 10:06:24 INFO imstat:::: -- IQR [quartile]: 3.56293e-05 Jy/beam 2025-10-14 10:06:24 INFO imstat:::: -- First quartile [q1]: -3.45095e-05 Jy/beam 2025-10-14 10:06:24 INFO imstat:::: -- Third quartile [q3]: 1.1198e-06 Jy/beam 2025-10-14 10:06:24 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:24 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:24 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:24 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:24 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:24 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:24 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 2025-10-14 10:06:24 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:24.049784 End time: 2025-10-14 10:06:24.071348 2025-10-14 10:06:24 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:24 INFO imstat::::casa ########################################## 2025-10-14 10:06:24 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:24 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:24 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19h53m49.9980 02:40:24.0001' ) 2025-10-14 10:06:24 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:24 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:24 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:24 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:24 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:24 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:24 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:24 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:24 INFO MSTransformManager::open Select data 2025-10-14 10:06:24 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:24 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 ".". 2025-10-14 10:06:24 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19h53m49.9980 02:40:24.0001' successfully parsed 2025-10-14 10:06:24 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:25 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:25 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:24.084835 End time: 2025-10-14 10:06:24.518570 2025-10-14 10:06:25 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:25 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:25 INFO tclean::::casa ########################################## 2025-10-14 10:06:25 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:25 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:06:25 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:25 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:25 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:25 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:25 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:25 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:25 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:25 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:25 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:25 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:25 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:25 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:25 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:25 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010723 2025-10-14 10:06:25 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:25 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:25 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:25 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:25 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:26 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:26 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:06:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:26 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:26 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:26 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:26 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:26 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:26 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:24.540166 End time: 2025-10-14 10:06:26.139298 2025-10-14 10:06:26 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:26 INFO tclean::::casa ########################################## 2025-10-14 10:06:26 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:26 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:26 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) 2025-10-14 10:06:26 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:26 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:26 2025****** 2025-10-14 10:06:26 INFO ImageFitter::fit+ 2025-10-14 10:06:26 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:26 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:26 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:26 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:26 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:26 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:26 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:26 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:26 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:26 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:26 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) 2025-10-14 10:06:26 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116891 Jy 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126504 Jy 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999957 +/- 0.000777 arcsec 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ --- dec: 128.000047 +/- 0.000097 pixels 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:26 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:26 INFO imstat::::casa ########################################## 2025-10-14 10:06:26 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:26 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 ) 2025-10-14 10:06:26 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:26 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:26 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:26 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:26 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:26 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) 2025-10-14 10:06:26 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:26 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:26 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:26 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:26 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:26 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:26 INFO imstat:::: Values --- 2025-10-14 10:06:26 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:26 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:26 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:26 INFO imstat:::: -- minimum value [min]: -7.78094e-05 Jy/beam 2025-10-14 10:06:26 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:26 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-10-14 10:06:26 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:26 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz 2025-10-14 10:06:26 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:26 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:26 INFO imstat:::: Statistics --- 2025-10-14 10:06:26 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:26 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:26 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:26 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:26 INFO imstat:::: -- Median of the pixel values [median]: -1.86846e-05 Jy/beam 2025-10-14 10:06:26 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam 2025-10-14 10:06:26 INFO imstat:::: -- IQR [quartile]: 3.56505e-05 Jy/beam 2025-10-14 10:06:26 INFO imstat:::: -- First quartile [q1]: -3.45202e-05 Jy/beam 2025-10-14 10:06:26 INFO imstat:::: -- Third quartile [q3]: 1.13024e-06 Jy/beam 2025-10-14 10:06:26 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:26 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:26 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:26 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:26 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:26 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:26 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 2025-10-14 10:06:26 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:26.184156 End time: 2025-10-14 10:06:26.205004 2025-10-14 10:06:26 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:26 INFO imstat::::casa ########################################## 2025-10-14 10:06:26 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:26 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:26 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19h53m49.9980 40.100000528deg' ) 2025-10-14 10:06:26 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:26 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:26 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:26 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:26 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:26 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:26 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:26 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:26 INFO MSTransformManager::open Select data 2025-10-14 10:06:26 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:26 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:06:26 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19h53m49.9980 40.100000528deg' successfully parsed 2025-10-14 10:06:26 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:27 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:27 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:26.217896 End time: 2025-10-14 10:06:26.599164 2025-10-14 10:06:27 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:27 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:27 INFO tclean::::casa ########################################## 2025-10-14 10:06:27 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:27 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:06:27 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:27 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:27 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:27 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:27 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:27 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:27 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:27 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:27 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:27 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:27 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:27 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:27 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:27 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010922 2025-10-14 10:06:27 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:27 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:27 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:27 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:27 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:28 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:28 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:28 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:28 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:28 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:28 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:06:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:28 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:28 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:28 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:28 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:28 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:28 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:28 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:28 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:28 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:26.621196 End time: 2025-10-14 10:06:28.092778 2025-10-14 10:06:28 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:28 INFO tclean::::casa ########################################## 2025-10-14 10:06:28 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:28 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:28 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-10-14 10:06:28 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:28 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:28 2025****** 2025-10-14 10:06:28 INFO ImageFitter::fit+ 2025-10-14 10:06:28 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:28 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:28 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:28 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:28 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:28 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:28 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:28 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:28 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:28 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:28 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:06:28 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116876 Jy 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:28 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:28 INFO imstat::::casa ########################################## 2025-10-14 10:06:28 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:28 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:06:28 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:28 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:28 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:28 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:28 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:28 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:06:28 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:28 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:28 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:28 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:28 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:28 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:28 INFO imstat:::: Values --- 2025-10-14 10:06:28 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:28 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:28 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:28 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2025-10-14 10:06:28 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:28 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:06:28 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:28 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-10-14 10:06:28 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:28 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:28 INFO imstat:::: Statistics --- 2025-10-14 10:06:28 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:28 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:28 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:28 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:28 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2025-10-14 10:06:28 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam 2025-10-14 10:06:28 INFO imstat:::: -- IQR [quartile]: 3.56311e-05 Jy/beam 2025-10-14 10:06:28 INFO imstat:::: -- First quartile [q1]: -3.45119e-05 Jy/beam 2025-10-14 10:06:28 INFO imstat:::: -- Third quartile [q3]: 1.11928e-06 Jy/beam 2025-10-14 10:06:28 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:28 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:28 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:28 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:28 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:28 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:28 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 2025-10-14 10:06:28 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:28.148266 End time: 2025-10-14 10:06:28.171149 2025-10-14 10:06:28 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:28 INFO imstat::::casa ########################################## 2025-10-14 10:06:28 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:28 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:28 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19h53m49.9980 0.699877039rad' ) 2025-10-14 10:06:28 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:28 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:28 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:28 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:28 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:28 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:28 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:28 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:28 INFO MSTransformManager::open Select data 2025-10-14 10:06:28 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:28 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:06:28 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19h53m49.9980 0.699877039rad' successfully parsed 2025-10-14 10:06:28 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:29 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:29 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:28.184777 End time: 2025-10-14 10:06:28.582447 2025-10-14 10:06:29 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:29 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:29 INFO tclean::::casa ########################################## 2025-10-14 10:06:29 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:29 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:06:29 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:29 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:29 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:29 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:29 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:29 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:29 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:29 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:29 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:29 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:29 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:29 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:29 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:29 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.01105 2025-10-14 10:06:29 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:29 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:29 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:29 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:29 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:29 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:29 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:30 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:30 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:30 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:30 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:06:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:30 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:30 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:30 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:30 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:30 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:30 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:30 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:30 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:30 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:28.604904 End time: 2025-10-14 10:06:30.072014 2025-10-14 10:06:30 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:30 INFO tclean::::casa ########################################## 2025-10-14 10:06:30 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:30 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:30 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) 2025-10-14 10:06:30 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:30 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:30 2025****** 2025-10-14 10:06:30 INFO ImageFitter::fit+ 2025-10-14 10:06:30 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:30 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:30 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:30 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:30 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:30 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:30 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:30 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:30 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:30 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:30 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) 2025-10-14 10:06:30 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999992 +/- 0.000777 arcsec 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ --- dec: 128.000009 +/- 0.000097 pixels 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:30 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:30 INFO imstat::::casa ########################################## 2025-10-14 10:06:30 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:30 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 ) 2025-10-14 10:06:30 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:30 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:30 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:30 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:30 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:30 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) 2025-10-14 10:06:30 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:30 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:30 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:30 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:30 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:30 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:30 INFO imstat:::: Values --- 2025-10-14 10:06:30 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:30 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:30 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:30 INFO imstat:::: -- minimum value [min]: -7.77867e-05 Jy/beam 2025-10-14 10:06:30 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:30 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:06:30 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:30 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-10-14 10:06:30 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:30 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:30 INFO imstat:::: Statistics --- 2025-10-14 10:06:30 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:30 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:30 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:30 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:30 INFO imstat:::: -- Median of the pixel values [median]: -1.86761e-05 Jy/beam 2025-10-14 10:06:30 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam 2025-10-14 10:06:30 INFO imstat:::: -- IQR [quartile]: 3.56319e-05 Jy/beam 2025-10-14 10:06:30 INFO imstat:::: -- First quartile [q1]: -3.45153e-05 Jy/beam 2025-10-14 10:06:30 INFO imstat:::: -- Third quartile [q3]: 1.11659e-06 Jy/beam 2025-10-14 10:06:30 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:30 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:30 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:30 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:30 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:30 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:30 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 2025-10-14 10:06:30 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:30.116583 End time: 2025-10-14 10:06:30.136132 2025-10-14 10:06:30 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:30 INFO imstat::::casa ########################################## 2025-10-14 10:06:30 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:30 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:30 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 40d06m0.0019' ) 2025-10-14 10:06:30 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:30 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:30 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:30 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:30 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:30 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:30 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:30 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:30 INFO MSTransformManager::open Select data 2025-10-14 10:06:30 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:30 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:06:30 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19:53:49.9980 40d06m0.0019' successfully parsed 2025-10-14 10:06:30 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:31 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:31 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:30.148762 End time: 2025-10-14 10:06:30.553748 2025-10-14 10:06:31 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:31 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:31 INFO tclean::::casa ########################################## 2025-10-14 10:06:31 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:31 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:06:31 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:31 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:31 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:31 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:31 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:31 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:31 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:31 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:31 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:31 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:31 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:31 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:31 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:31 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010542 2025-10-14 10:06:31 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:31 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:31 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:31 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:31 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:31 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:31 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:31 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:32 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:32 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:06:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:32 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:32 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:32 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:32 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:32 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:32 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:32 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:32 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:32 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:30.593206 End time: 2025-10-14 10:06:32.029832 2025-10-14 10:06:32 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:32 INFO tclean::::casa ########################################## 2025-10-14 10:06:32 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:32 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:32 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) 2025-10-14 10:06:32 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:32 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:32 2025****** 2025-10-14 10:06:32 INFO ImageFitter::fit+ 2025-10-14 10:06:32 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:32 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:32 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:32 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:32 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:32 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:32 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:32 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:32 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:32 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:32 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) 2025-10-14 10:06:32 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:32 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:32 INFO imstat::::casa ########################################## 2025-10-14 10:06:32 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:32 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 ) 2025-10-14 10:06:32 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:32 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:32 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:32 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:32 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:32 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) 2025-10-14 10:06:32 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:32 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:32 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:32 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:32 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:32 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:32 INFO imstat:::: Values --- 2025-10-14 10:06:32 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:32 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:32 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:32 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2025-10-14 10:06:32 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:32 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:06:32 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:32 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-10-14 10:06:32 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:32 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:32 INFO imstat:::: Statistics --- 2025-10-14 10:06:32 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:32 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:32 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:32 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:32 INFO imstat:::: -- Median of the pixel values [median]: -1.86712e-05 Jy/beam 2025-10-14 10:06:32 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam 2025-10-14 10:06:32 INFO imstat:::: -- IQR [quartile]: 3.56293e-05 Jy/beam 2025-10-14 10:06:32 INFO imstat:::: -- First quartile [q1]: -3.45095e-05 Jy/beam 2025-10-14 10:06:32 INFO imstat:::: -- Third quartile [q3]: 1.1198e-06 Jy/beam 2025-10-14 10:06:32 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:32 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:32 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:32 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:32 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:32 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:32 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 2025-10-14 10:06:32 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:32.097551 End time: 2025-10-14 10:06:32.122678 2025-10-14 10:06:32 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:32 INFO imstat::::casa ########################################## 2025-10-14 10:06:32 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:32 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:32 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 19:53:49.9980 02:40:24.0001' ) 2025-10-14 10:06:32 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:32 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:32 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:32 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:32 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:32 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:32 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:32 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:32 INFO MSTransformManager::open Select data 2025-10-14 10:06:32 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:32 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:40:24.0001" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-10-14 10:06:32 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19:53:49.9980 02:40:24.0001' successfully parsed 2025-10-14 10:06:32 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:33 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:33 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:32.137754 End time: 2025-10-14 10:06:32.566646 2025-10-14 10:06:33 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:33 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:33 INFO tclean::::casa ########################################## 2025-10-14 10:06:33 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:33 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 ) 2025-10-14 10:06:33 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:33 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:33 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:33 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:33 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:33 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:33 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:33 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:33 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:33 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:33 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:33 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:33 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:33 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.011144 2025-10-14 10:06:33 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:33 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:33 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:33 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:33 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:33 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:33 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:33 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:33 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:34 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:06:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:34 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:34 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:34 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:34 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:34 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:34 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:34 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:32.587334 End time: 2025-10-14 10:06:34.019610 2025-10-14 10:06:34 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:34 INFO tclean::::casa ########################################## 2025-10-14 10:06:34 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:34 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:34 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) 2025-10-14 10:06:34 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:34 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:34 2025****** 2025-10-14 10:06:34 INFO ImageFitter::fit+ 2025-10-14 10:06:34 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:34 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:34 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:34 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:34 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:34 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:34 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:34 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:34 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:34 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:34 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.996 to 19:53:46.513, +40.06.39.996) 2025-10-14 10:06:34 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116891 Jy 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126504 Jy 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999957 +/- 0.000777 arcsec 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ --- dec: 128.000047 +/- 0.000097 pixels 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:34 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:34 INFO imstat::::casa ########################################## 2025-10-14 10:06:34 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:34 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 ) 2025-10-14 10:06:34 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:34 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:34 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:34 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:34 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:34 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) 2025-10-14 10:06:34 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:34 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:34 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:34 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:34 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:34 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:34 INFO imstat:::: Values --- 2025-10-14 10:06:34 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:34 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:34 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:34 INFO imstat:::: -- minimum value [min]: -7.78094e-05 Jy/beam 2025-10-14 10:06:34 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:34 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-10-14 10:06:34 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:34 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz 2025-10-14 10:06:34 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:34 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:34 INFO imstat:::: Statistics --- 2025-10-14 10:06:34 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:34 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:34 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:34 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:34 INFO imstat:::: -- Median of the pixel values [median]: -1.86846e-05 Jy/beam 2025-10-14 10:06:34 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam 2025-10-14 10:06:34 INFO imstat:::: -- IQR [quartile]: 3.56505e-05 Jy/beam 2025-10-14 10:06:34 INFO imstat:::: -- First quartile [q1]: -3.45202e-05 Jy/beam 2025-10-14 10:06:34 INFO imstat:::: -- Third quartile [q3]: 1.13024e-06 Jy/beam 2025-10-14 10:06:34 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:34 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:34 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:34 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:34 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:34 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:34 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.780943e-05 4.999996e+00 2025-10-14 10:06:34 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:34.061207 End time: 2025-10-14 10:06:34.080414 2025-10-14 10:06:34 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:34 INFO imstat::::casa ########################################## 2025-10-14 10:06:34 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:34 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:34 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 40.100000528deg' ) 2025-10-14 10:06:34 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:34 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:34 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:34 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:34 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:34 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:34 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:34 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:34 INFO MSTransformManager::open Select data 2025-10-14 10:06:34 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:34 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:06:34 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19:53:49.9980 40.100000528deg' successfully parsed 2025-10-14 10:06:34 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:34 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:34 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:34.093268 End time: 2025-10-14 10:06:34.494950 2025-10-14 10:06:34 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:34 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:35 INFO tclean::::casa ########################################## 2025-10-14 10:06:35 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:35 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:06:35 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:35 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:35 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:35 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:35 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:35 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:35 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:35 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:35 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:35 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:35 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:35 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:35 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:35 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.014339 2025-10-14 10:06:35 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:35 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:35 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:35 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:35 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:35 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:35 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:35 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:06:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:36 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:36 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:36 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:36 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:36 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:36 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:36 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:34.515162 End time: 2025-10-14 10:06:35.851526 2025-10-14 10:06:36 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:36 INFO tclean::::casa ########################################## 2025-10-14 10:06:36 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:36 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:36 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) 2025-10-14 10:06:36 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:36 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:36 2025****** 2025-10-14 10:06:36 INFO ImageFitter::fit+ 2025-10-14 10:06:36 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:36 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:36 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:36 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:36 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:36 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:36 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:36 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:36 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:36 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:36 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) 2025-10-14 10:06:36 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116876 Jy 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:36 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:36 INFO imstat::::casa ########################################## 2025-10-14 10:06:36 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:36 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 ) 2025-10-14 10:06:36 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:36 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:36 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:36 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:36 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:36 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) 2025-10-14 10:06:36 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:36 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:36 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:36 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:36 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:36 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:36 INFO imstat:::: Values --- 2025-10-14 10:06:36 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:36 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:36 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:36 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2025-10-14 10:06:36 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:36 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:06:36 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:36 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-10-14 10:06:36 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:36 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:36 INFO imstat:::: Statistics --- 2025-10-14 10:06:36 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:36 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:36 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:36 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:36 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2025-10-14 10:06:36 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam 2025-10-14 10:06:36 INFO imstat:::: -- IQR [quartile]: 3.56311e-05 Jy/beam 2025-10-14 10:06:36 INFO imstat:::: -- First quartile [q1]: -3.45119e-05 Jy/beam 2025-10-14 10:06:36 INFO imstat:::: -- Third quartile [q3]: 1.11928e-06 Jy/beam 2025-10-14 10:06:36 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:36 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:36 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:36 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:36 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:36 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:36 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 2025-10-14 10:06:36 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:35.892357 End time: 2025-10-14 10:06:35.911767 2025-10-14 10:06:36 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:36 INFO imstat::::casa ########################################## 2025-10-14 10:06:36 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:36 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:36 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 19:53:49.9980 0.699877039rad' ) 2025-10-14 10:06:36 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:36 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:36 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:36 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:36 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:36 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:36 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:36 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:36 INFO MSTransformManager::open Select data 2025-10-14 10:06:36 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:36 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:06:36 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19:53:49.9980 0.699877039rad' successfully parsed 2025-10-14 10:06:36 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:36 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:36 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:35.924062 End time: 2025-10-14 10:06:36.285336 2025-10-14 10:06:36 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:36 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:36 INFO tclean::::casa ########################################## 2025-10-14 10:06:36 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:36 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 ) 2025-10-14 10:06:36 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:36 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:36 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:36 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:36 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:36 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:36 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:36 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:36 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:36 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:36 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:36 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:37 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:37 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010363 2025-10-14 10:06:37 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:37 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:37 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:37 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:37 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:37 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:37 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:37 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:37 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:37 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:37 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:37 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:37 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:37 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:37 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:37 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:06:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:37 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:37 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:37 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:37 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:37 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:37 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:37 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:38 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:36.305562 End time: 2025-10-14 10:06:37.534992 2025-10-14 10:06:38 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:38 INFO tclean::::casa ########################################## 2025-10-14 10:06:38 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:38 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:38 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) 2025-10-14 10:06:38 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:38 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:38 2025****** 2025-10-14 10:06:38 INFO ImageFitter::fit+ 2025-10-14 10:06:38 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:38 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:38 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:38 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:38 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:38 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:38 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:38 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:38 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:38 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:38 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) 2025-10-14 10:06:38 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999992 +/- 0.000777 arcsec 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ --- dec: 128.000009 +/- 0.000097 pixels 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:38 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:38 INFO imstat::::casa ########################################## 2025-10-14 10:06:38 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:38 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 ) 2025-10-14 10:06:38 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:38 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:38 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:38 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:38 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:38 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:06:38 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:38 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:38 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:38 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:38 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:38 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:38 INFO imstat:::: Values --- 2025-10-14 10:06:38 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:38 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:38 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:38 INFO imstat:::: -- minimum value [min]: -7.77867e-05 Jy/beam 2025-10-14 10:06:38 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:38 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:06:38 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:38 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-10-14 10:06:38 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:38 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:38 INFO imstat:::: Statistics --- 2025-10-14 10:06:38 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:38 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:38 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:38 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:38 INFO imstat:::: -- Median of the pixel values [median]: -1.86761e-05 Jy/beam 2025-10-14 10:06:38 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam 2025-10-14 10:06:38 INFO imstat:::: -- IQR [quartile]: 3.56319e-05 Jy/beam 2025-10-14 10:06:38 INFO imstat:::: -- First quartile [q1]: -3.45153e-05 Jy/beam 2025-10-14 10:06:38 INFO imstat:::: -- Third quartile [q3]: 1.11659e-06 Jy/beam 2025-10-14 10:06:38 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:38 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:38 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:38 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:38 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:38 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:38 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 2025-10-14 10:06:38 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:37.578912 End time: 2025-10-14 10:06:37.599460 2025-10-14 10:06:38 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:38 INFO imstat::::casa ########################################## 2025-10-14 10:06:38 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:38 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:38 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 40d06m0.0019' ) 2025-10-14 10:06:38 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:38 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:38 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:38 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:38 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:38 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:38 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:38 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:38 INFO MSTransformManager::open Select data 2025-10-14 10:06:38 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:38 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:06:38 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 298.458325000deg 40d06m0.0019' successfully parsed 2025-10-14 10:06:38 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:38 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:38 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:37.613235 End time: 2025-10-14 10:06:37.967581 2025-10-14 10:06:38 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:38 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:38 INFO tclean::::casa ########################################## 2025-10-14 10:06:38 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:38 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 ) 2025-10-14 10:06:38 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:38 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:38 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:38 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:38 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:38 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:38 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:38 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:38 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:38 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:38 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:38 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:38 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:38 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.011955 2025-10-14 10:06:38 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:38 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:39 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:39 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:39 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:39 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:39 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:39 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:39 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:39 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:39 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:39 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:39 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:39 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:39 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:39 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:39 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:39 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:06:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:39 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:39 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:39 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:39 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:39 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:39 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:39 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:39 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:39 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:37.988840 End time: 2025-10-14 10:06:39.337628 2025-10-14 10:06:39 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:39 INFO tclean::::casa ########################################## 2025-10-14 10:06:39 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:39 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:39 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-10-14 10:06:39 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:39 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:39 2025****** 2025-10-14 10:06:39 INFO ImageFitter::fit+ 2025-10-14 10:06:39 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:39 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:39 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:39 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:39 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:39 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:39 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:39 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:39 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:39 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:39 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:06:39 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:39 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:39 INFO imstat::::casa ########################################## 2025-10-14 10:06:39 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:39 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:06:39 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:39 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:39 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:39 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:39 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:39 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:06:39 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:39 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:39 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:39 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:39 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:39 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:39 INFO imstat:::: Values --- 2025-10-14 10:06:39 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:39 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:39 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:39 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2025-10-14 10:06:39 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:39 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:06:39 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:39 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-10-14 10:06:39 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:39 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:39 INFO imstat:::: Statistics --- 2025-10-14 10:06:39 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:39 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:39 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:39 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:39 INFO imstat:::: -- Median of the pixel values [median]: -1.86712e-05 Jy/beam 2025-10-14 10:06:39 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam 2025-10-14 10:06:39 INFO imstat:::: -- IQR [quartile]: 3.56293e-05 Jy/beam 2025-10-14 10:06:39 INFO imstat:::: -- First quartile [q1]: -3.45095e-05 Jy/beam 2025-10-14 10:06:39 INFO imstat:::: -- Third quartile [q3]: 1.1198e-06 Jy/beam 2025-10-14 10:06:39 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:39 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:39 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:39 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:39 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:39 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:39 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 2025-10-14 10:06:39 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:39.381259 End time: 2025-10-14 10:06:39.401717 2025-10-14 10:06:39 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:39 INFO imstat::::casa ########################################## 2025-10-14 10:06:39 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:39 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:39 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 02:40:24.0001' ) 2025-10-14 10:06:39 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:39 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:39 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:39 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:39 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:39 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:39 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:39 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:39 INFO MSTransformManager::open Select data 2025-10-14 10:06:39 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:40 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:40:24.0001" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-10-14 10:06:40 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 298.458325000deg 02:40:24.0001' successfully parsed 2025-10-14 10:06:40 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:40 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:40 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:39.416066 End time: 2025-10-14 10:06:39.781771 2025-10-14 10:06:40 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:40 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:40 INFO tclean::::casa ########################################## 2025-10-14 10:06:40 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:40 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 ) 2025-10-14 10:06:40 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:40 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:40 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:40 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:40 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:40 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:40 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:40 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:40 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:40 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:40 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:40 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:40 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:40 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.011982 2025-10-14 10:06:40 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:40 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:40 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:40 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:40 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:40 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:40 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:41 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:41 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:41 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:41 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:41 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:41 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:41 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:41 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:06:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:41 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:41 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:41 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:41 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:41 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:41 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:41 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:41 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:39.802467 End time: 2025-10-14 10:06:41.273198 2025-10-14 10:06:41 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:41 INFO tclean::::casa ########################################## 2025-10-14 10:06:41 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:41 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:41 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) 2025-10-14 10:06:41 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:41 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:41 2025****** 2025-10-14 10:06:41 INFO ImageFitter::fit+ 2025-10-14 10:06:41 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:41 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:41 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:41 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:41 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:41 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:41 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:41 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:41 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:41 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:41 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) 2025-10-14 10:06:41 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116891 Jy 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126504 Jy 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999957 +/- 0.000777 arcsec 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ --- dec: 128.000047 +/- 0.000097 pixels 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:41 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:41 INFO imstat::::casa ########################################## 2025-10-14 10:06:41 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:41 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 ) 2025-10-14 10:06:41 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:41 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:41 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:41 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:41 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:41 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:06:41 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:41 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:41 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:41 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:41 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:41 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:41 INFO imstat:::: Values --- 2025-10-14 10:06:41 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:41 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:41 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:41 INFO imstat:::: -- minimum value [min]: -7.78094e-05 Jy/beam 2025-10-14 10:06:41 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:41 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-10-14 10:06:41 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:41 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz 2025-10-14 10:06:41 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:41 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:41 INFO imstat:::: Statistics --- 2025-10-14 10:06:41 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:41 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:41 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:41 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:41 INFO imstat:::: -- Median of the pixel values [median]: -1.86846e-05 Jy/beam 2025-10-14 10:06:41 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam 2025-10-14 10:06:41 INFO imstat:::: -- IQR [quartile]: 3.56505e-05 Jy/beam 2025-10-14 10:06:41 INFO imstat:::: -- First quartile [q1]: -3.45202e-05 Jy/beam 2025-10-14 10:06:41 INFO imstat:::: -- Third quartile [q3]: 1.13024e-06 Jy/beam 2025-10-14 10:06:41 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:41 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:41 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:41 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:41 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:41 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:41 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 2025-10-14 10:06:41 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:41.336971 End time: 2025-10-14 10:06:41.363318 2025-10-14 10:06:41 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:41 INFO imstat::::casa ########################################## 2025-10-14 10:06:41 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:41 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:41 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 40.100000528deg' ) 2025-10-14 10:06:41 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:41 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:41 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:41 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:41 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:41 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:41 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:41 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:41 INFO MSTransformManager::open Select data 2025-10-14 10:06:41 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:42 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:06:42 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 298.458325000deg 40.100000528deg' successfully parsed 2025-10-14 10:06:42 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:42 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:42 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:41.377761 End time: 2025-10-14 10:06:41.787157 2025-10-14 10:06:42 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:42 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:42 INFO tclean::::casa ########################################## 2025-10-14 10:06:42 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:42 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 ) 2025-10-14 10:06:42 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:42 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:42 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:42 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:42 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:42 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:42 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:42 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:42 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:42 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:42 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:42 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:42 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:42 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.013151 2025-10-14 10:06:42 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:42 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:42 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:42 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:42 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:42 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:42 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:43 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:43 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:43 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:43 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:43 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:06:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:43 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:43 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:43 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:43 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:43 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:43 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:43 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:41.808641 End time: 2025-10-14 10:06:43.373843 2025-10-14 10:06:43 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:43 INFO tclean::::casa ########################################## 2025-10-14 10:06:43 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:43 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:43 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) 2025-10-14 10:06:43 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:43 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:43 2025****** 2025-10-14 10:06:43 INFO ImageFitter::fit+ 2025-10-14 10:06:43 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:43 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:43 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:43 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:43 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:43 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:43 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:43 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:43 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:43 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:43 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) 2025-10-14 10:06:43 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116876 Jy 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:43 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:43 INFO imstat::::casa ########################################## 2025-10-14 10:06:43 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:43 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 ) 2025-10-14 10:06:43 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:43 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:43 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:43 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:43 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:43 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) 2025-10-14 10:06:43 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:43 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:43 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:43 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:43 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:43 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:43 INFO imstat:::: Values --- 2025-10-14 10:06:43 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:43 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:43 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:43 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2025-10-14 10:06:43 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:43 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:06:43 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:43 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-10-14 10:06:43 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:43 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:43 INFO imstat:::: Statistics --- 2025-10-14 10:06:43 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:43 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:43 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:43 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:43 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2025-10-14 10:06:43 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam 2025-10-14 10:06:43 INFO imstat:::: -- IQR [quartile]: 3.56311e-05 Jy/beam 2025-10-14 10:06:43 INFO imstat:::: -- First quartile [q1]: -3.45119e-05 Jy/beam 2025-10-14 10:06:43 INFO imstat:::: -- Third quartile [q3]: 1.11928e-06 Jy/beam 2025-10-14 10:06:43 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:43 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:43 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:43 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:43 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:43 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:43 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 2025-10-14 10:06:43 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:43.416280 End time: 2025-10-14 10:06:43.435848 2025-10-14 10:06:43 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:43 INFO imstat::::casa ########################################## 2025-10-14 10:06:43 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:43 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:43 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 0.699877039rad' ) 2025-10-14 10:06:43 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:43 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:43 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:43 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:43 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:43 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:43 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:43 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:43 INFO MSTransformManager::open Select data 2025-10-14 10:06:43 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:44 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:06:44 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 298.458325000deg 0.699877039rad' successfully parsed 2025-10-14 10:06:44 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:44 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:44 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:43.449444 End time: 2025-10-14 10:06:43.834572 2025-10-14 10:06:44 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:44 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:44 INFO tclean::::casa ########################################## 2025-10-14 10:06:44 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:44 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:06:44 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:44 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:44 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:44 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:44 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:44 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:44 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:44 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:44 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:44 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:44 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:44 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:44 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:44 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.012015 2025-10-14 10:06:44 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:44 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:44 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:44 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:44 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:44 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:06:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:45 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:45 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:45 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:45 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:45 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:45 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:43.857004 End time: 2025-10-14 10:06:45.223592 2025-10-14 10:06:45 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:45 INFO tclean::::casa ########################################## 2025-10-14 10:06:45 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:45 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:45 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) 2025-10-14 10:06:45 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:45 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:45 2025****** 2025-10-14 10:06:45 INFO ImageFitter::fit+ 2025-10-14 10:06:45 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:45 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:45 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:45 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:45 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:45 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:45 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:45 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:45 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:45 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:45 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) 2025-10-14 10:06:45 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999992 +/- 0.000777 arcsec 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ --- dec: 128.000009 +/- 0.000097 pixels 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:45 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:45 INFO imstat::::casa ########################################## 2025-10-14 10:06:45 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:45 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 ) 2025-10-14 10:06:45 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:45 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:45 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:45 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:45 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:45 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) 2025-10-14 10:06:45 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:45 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:45 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:45 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:45 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:45 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:45 INFO imstat:::: Values --- 2025-10-14 10:06:45 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:45 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:45 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:45 INFO imstat:::: -- minimum value [min]: -7.77867e-05 Jy/beam 2025-10-14 10:06:45 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:45 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:06:45 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:45 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-10-14 10:06:45 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:45 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:45 INFO imstat:::: Statistics --- 2025-10-14 10:06:45 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:45 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:45 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:45 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:45 INFO imstat:::: -- Median of the pixel values [median]: -1.86761e-05 Jy/beam 2025-10-14 10:06:45 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam 2025-10-14 10:06:45 INFO imstat:::: -- IQR [quartile]: 3.56319e-05 Jy/beam 2025-10-14 10:06:45 INFO imstat:::: -- First quartile [q1]: -3.45153e-05 Jy/beam 2025-10-14 10:06:45 INFO imstat:::: -- Third quartile [q3]: 1.11659e-06 Jy/beam 2025-10-14 10:06:45 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:45 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:45 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:45 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:45 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:45 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:45 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 2025-10-14 10:06:45 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:45.302319 End time: 2025-10-14 10:06:45.328436 2025-10-14 10:06:45 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:45 INFO imstat::::casa ########################################## 2025-10-14 10:06:45 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:45 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:45 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 40d06m0.0019' ) 2025-10-14 10:06:45 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:45 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:45 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:45 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:45 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:45 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:45 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:45 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:45 INFO MSTransformManager::open Select data 2025-10-14 10:06:45 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:46 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:06:46 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 5.209080451rad 40d06m0.0019' successfully parsed 2025-10-14 10:06:46 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:46 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:46 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:45.345159 End time: 2025-10-14 10:06:45.758561 2025-10-14 10:06:46 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:46 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:46 INFO tclean::::casa ########################################## 2025-10-14 10:06:46 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:46 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:06:46 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:46 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:46 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:46 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:46 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:46 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:46 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:46 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:46 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:46 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:46 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:46 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:46 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:46 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.015576 2025-10-14 10:06:46 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:46 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:46 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:46 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:46 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:06:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:47 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:47 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:47 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:47 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:47 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:47 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:45.780073 End time: 2025-10-14 10:06:47.116952 2025-10-14 10:06:47 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:47 INFO tclean::::casa ########################################## 2025-10-14 10:06:47 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:47 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:47 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) 2025-10-14 10:06:47 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:47 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:47 2025****** 2025-10-14 10:06:47 INFO ImageFitter::fit+ 2025-10-14 10:06:47 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:47 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:47 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:47 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:47 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:47 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:47 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:47 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:47 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:47 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:47 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) 2025-10-14 10:06:47 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116878 Jy 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126494 Jy 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ --- ra: 127.999966 +/- 0.000127 pixels 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:47 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:47 INFO imstat::::casa ########################################## 2025-10-14 10:06:47 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:47 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 ) 2025-10-14 10:06:47 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:47 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:47 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:47 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:47 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:47 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) 2025-10-14 10:06:47 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:47 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:47 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:47 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:47 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:47 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:47 INFO imstat:::: Values --- 2025-10-14 10:06:47 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:47 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:47 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:47 INFO imstat:::: -- minimum value [min]: -7.77984e-05 Jy/beam 2025-10-14 10:06:47 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:47 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:06:47 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:47 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-10-14 10:06:47 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:47 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:47 INFO imstat:::: Statistics --- 2025-10-14 10:06:47 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:47 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:47 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:47 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:47 INFO imstat:::: -- Median of the pixel values [median]: -1.86704e-05 Jy/beam 2025-10-14 10:06:47 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7365e-05 Jy/beam 2025-10-14 10:06:47 INFO imstat:::: -- IQR [quartile]: 3.56348e-05 Jy/beam 2025-10-14 10:06:47 INFO imstat:::: -- First quartile [q1]: -3.45131e-05 Jy/beam 2025-10-14 10:06:47 INFO imstat:::: -- Third quartile [q3]: 1.12172e-06 Jy/beam 2025-10-14 10:06:47 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:47 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:47 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:47 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:47 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:47 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:47 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 2025-10-14 10:06:47 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:47.173133 End time: 2025-10-14 10:06:47.195485 2025-10-14 10:06:47 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:47 INFO imstat::::casa ########################################## 2025-10-14 10:06:47 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:47 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:47 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 5.209080451rad 02:40:24.0001' ) 2025-10-14 10:06:47 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:47 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:47 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:47 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:47 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:47 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:47 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:47 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:47 INFO MSTransformManager::open Select data 2025-10-14 10:06:47 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:47 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:40:24.0001" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-10-14 10:06:47 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 5.209080451rad 02:40:24.0001' successfully parsed 2025-10-14 10:06:47 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:48 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:48 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:47.208488 End time: 2025-10-14 10:06:47.590456 2025-10-14 10:06:48 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:48 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:48 INFO tclean::::casa ########################################## 2025-10-14 10:06:48 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:48 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 ) 2025-10-14 10:06:48 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:48 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:48 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:48 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:48 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:48 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:48 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:48 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:48 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:48 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:48 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:48 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:48 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:48 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010755 2025-10-14 10:06:48 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:48 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:48 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:48 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:48 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:48 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:48 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:48 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:48 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:48 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:48 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:48 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:48 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:48 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:48 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:48 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:48 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:48 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:49 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:06:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:49 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:49 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:49 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:49 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:49 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:49 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:49 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:47.611864 End time: 2025-10-14 10:06:48.851322 2025-10-14 10:06:49 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:49 INFO tclean::::casa ########################################## 2025-10-14 10:06:49 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:49 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:49 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-10-14 10:06:49 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:49 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:49 2025****** 2025-10-14 10:06:49 INFO ImageFitter::fit+ 2025-10-14 10:06:49 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:49 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:49 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:49 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:49 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:49 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:49 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:49 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:49 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:49 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:49 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) 2025-10-14 10:06:49 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116894 Jy 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126508 Jy 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999957 +/- 0.000777 arcsec 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ --- ra: 127.999966 +/- 0.000127 pixels 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ --- dec: 128.000047 +/- 0.000097 pixels 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:49 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:49 INFO imstat::::casa ########################################## 2025-10-14 10:06:49 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:49 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:06:49 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:49 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:49 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:49 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:49 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:49 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:06:49 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:49 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:49 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:49 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:49 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:49 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:49 INFO imstat:::: Values --- 2025-10-14 10:06:49 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:49 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:49 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:49 INFO imstat:::: -- minimum value [min]: -7.78076e-05 Jy/beam 2025-10-14 10:06:49 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:49 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-10-14 10:06:49 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:49 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz 2025-10-14 10:06:49 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:49 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:49 INFO imstat:::: Statistics --- 2025-10-14 10:06:49 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:49 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:49 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:49 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:49 INFO imstat:::: -- Median of the pixel values [median]: -1.86848e-05 Jy/beam 2025-10-14 10:06:49 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73951e-05 Jy/beam 2025-10-14 10:06:49 INFO imstat:::: -- IQR [quartile]: 3.56676e-05 Jy/beam 2025-10-14 10:06:49 INFO imstat:::: -- First quartile [q1]: -3.45186e-05 Jy/beam 2025-10-14 10:06:49 INFO imstat:::: -- Third quartile [q3]: 1.14894e-06 Jy/beam 2025-10-14 10:06:49 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:49 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:49 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:49 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:49 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:49 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:49 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 2025-10-14 10:06:49 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:48.895065 End time: 2025-10-14 10:06:48.915268 2025-10-14 10:06:49 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:49 INFO imstat::::casa ########################################## 2025-10-14 10:06:49 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:49 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:49 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 40.100000528deg' ) 2025-10-14 10:06:49 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:49 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:49 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:49 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:49 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:49 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:49 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:49 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:49 INFO MSTransformManager::open Select data 2025-10-14 10:06:49 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:49 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:06:49 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 5.209080451rad 40.100000528deg' successfully parsed 2025-10-14 10:06:49 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:49 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:49 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:48.928473 End time: 2025-10-14 10:06:49.296502 2025-10-14 10:06:49 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:49 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:49 INFO tclean::::casa ########################################## 2025-10-14 10:06:49 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:49 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 ) 2025-10-14 10:06:49 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:49 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:49 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:49 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:49 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:49 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:49 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:49 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:49 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:49 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:49 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:49 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:50 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:50 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010729 2025-10-14 10:06:50 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:50 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:50 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:50 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:50 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:50 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:50 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:50 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:50 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:50 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:50 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:50 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:06:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:50 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:51 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:51 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:51 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:51 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:51 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:51 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:49.318019 End time: 2025-10-14 10:06:50.680217 2025-10-14 10:06:51 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:51 INFO tclean::::casa ########################################## 2025-10-14 10:06:51 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:51 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:51 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-10-14 10:06:51 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:51 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:51 2025****** 2025-10-14 10:06:51 INFO ImageFitter::fit+ 2025-10-14 10:06:51 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:51 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:51 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:51 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:51 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:51 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:51 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:51 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:51 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:51 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:51 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:06:51 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116882 Jy 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126496 Jy 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ --- ra: 127.999966 +/- 0.000127 pixels 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:51 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:51 INFO imstat::::casa ########################################## 2025-10-14 10:06:51 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:51 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:06:51 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:51 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:51 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:51 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:51 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:51 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:06:51 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:51 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:51 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:51 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:51 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:51 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:51 INFO imstat:::: Values --- 2025-10-14 10:06:51 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:51 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:51 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:51 INFO imstat:::: -- minimum value [min]: -7.77982e-05 Jy/beam 2025-10-14 10:06:51 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:51 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:06:51 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:51 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-10-14 10:06:51 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:51 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:51 INFO imstat:::: Statistics --- 2025-10-14 10:06:51 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:51 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:51 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:51 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:51 INFO imstat:::: -- Median of the pixel values [median]: -1.86711e-05 Jy/beam 2025-10-14 10:06:51 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73646e-05 Jy/beam 2025-10-14 10:06:51 INFO imstat:::: -- IQR [quartile]: 3.56367e-05 Jy/beam 2025-10-14 10:06:51 INFO imstat:::: -- First quartile [q1]: -3.45138e-05 Jy/beam 2025-10-14 10:06:51 INFO imstat:::: -- Third quartile [q3]: 1.12291e-06 Jy/beam 2025-10-14 10:06:51 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:51 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:51 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:51 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:51 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:51 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:51 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 2025-10-14 10:06:51 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:50.753369 End time: 2025-10-14 10:06:50.780632 2025-10-14 10:06:51 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:51 INFO imstat::::casa ########################################## 2025-10-14 10:06:51 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:51 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:51 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 0.699877039rad' ) 2025-10-14 10:06:51 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:51 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:51 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:51 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:51 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:51 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:51 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:51 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:51 INFO MSTransformManager::open Select data 2025-10-14 10:06:51 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:51 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:06:51 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 5.209080451rad 0.699877039rad' successfully parsed 2025-10-14 10:06:51 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:51 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:51 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:50.797699 End time: 2025-10-14 10:06:51.205502 2025-10-14 10:06:51 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:51 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:51 INFO tclean::::casa ########################################## 2025-10-14 10:06:51 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:51 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 ) 2025-10-14 10:06:51 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:51 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:51 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:51 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:51 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:51 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:51 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:51 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:51 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:51 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:51 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:51 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:51 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:52 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.01677 2025-10-14 10:06:52 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:52 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:52 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:52 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:52 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:52 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:52 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:52 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:52 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:52 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:52 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374443277716637, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:52 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:52 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852561634033918, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:06:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:53 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:53 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:53 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:53 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:53 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:53 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:51.232715 End time: 2025-10-14 10:06:52.814971 2025-10-14 10:06:53 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:53 INFO tclean::::casa ########################################## 2025-10-14 10:06:53 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:53 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:53 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) 2025-10-14 10:06:53 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:53 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:53 2025****** 2025-10-14 10:06:53 INFO ImageFitter::fit+ 2025-10-14 10:06:53 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:53 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:53 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:53 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:53 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:53 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:53 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:53 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:53 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:53 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:53 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) 2025-10-14 10:06:53 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116879 Jy 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126495 Jy 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999992 +/- 0.000777 arcsec 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ --- ra: 127.999966 +/- 0.000127 pixels 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ --- dec: 128.000009 +/- 0.000097 pixels 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:53 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:53 INFO imstat::::casa ########################################## 2025-10-14 10:06:53 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:53 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 ) 2025-10-14 10:06:53 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:53 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:53 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:53 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:53 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:53 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) 2025-10-14 10:06:53 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:53 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:53 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:53 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:53 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:53 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:53 INFO imstat:::: Values --- 2025-10-14 10:06:53 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:53 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:53 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:53 INFO imstat:::: -- minimum value [min]: -7.77898e-05 Jy/beam 2025-10-14 10:06:53 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:53 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:06:53 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:53 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-10-14 10:06:53 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:53 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:53 INFO imstat:::: Statistics --- 2025-10-14 10:06:53 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:53 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:53 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:53 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:53 INFO imstat:::: -- Median of the pixel values [median]: -1.86769e-05 Jy/beam 2025-10-14 10:06:53 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73662e-05 Jy/beam 2025-10-14 10:06:53 INFO imstat:::: -- IQR [quartile]: 3.5634e-05 Jy/beam 2025-10-14 10:06:53 INFO imstat:::: -- First quartile [q1]: -3.45153e-05 Jy/beam 2025-10-14 10:06:53 INFO imstat:::: -- Third quartile [q3]: 1.1187e-06 Jy/beam 2025-10-14 10:06:53 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:53 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:53 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:53 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:53 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:53 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:53 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 2025-10-14 10:06:53 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:52.892538 End time: 2025-10-14 10:06:52.920783 2025-10-14 10:06:53 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:53 INFO imstat::::casa ########################################## 2025-10-14 10:06:53 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:53 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:53 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 +006d21m09.7433' ) 2025-10-14 10:06:53 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:53 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:53 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:53 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:53 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:53 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:53 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:53 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:53 INFO MSTransformManager::open Select data 2025-10-14 10:06:53 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:53 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:06:53 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 05h00m21.5326 +006d21m09.7433' successfully parsed 2025-10-14 10:06:53 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:53 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:53 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:52.939201 End time: 2025-10-14 10:06:53.385556 2025-10-14 10:06:53 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:53 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:53 INFO tclean::::casa ########################################## 2025-10-14 10:06:53 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:53 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 ) 2025-10-14 10:06:53 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:53 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:53 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:53 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:53 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:54 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:54 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:54 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:54 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:54 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:54 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:54 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:54 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:54 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.018648 2025-10-14 10:06:54 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:54 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:54 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:54 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:54 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:06:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:55 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:55 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:55 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:55 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:55 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:55 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:55 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:53.405730 End time: 2025-10-14 10:06:54.873119 2025-10-14 10:06:55 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:55 INFO tclean::::casa ########################################## 2025-10-14 10:06:55 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:55 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:55 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) 2025-10-14 10:06:55 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:55 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:55 2025****** 2025-10-14 10:06:55 INFO ImageFitter::fit+ 2025-10-14 10:06:55 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:55 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:55 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:55 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:55 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:55 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:55 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:55 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:55 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:55 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:55 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:06:55 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116868 Jy 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126484 Jy 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:55 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:55 INFO imstat::::casa ########################################## 2025-10-14 10:06:55 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:55 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 ) 2025-10-14 10:06:55 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:55 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:55 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:55 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:55 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:55 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) 2025-10-14 10:06:55 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:55 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:55 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:55 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:55 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:55 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:55 INFO imstat:::: Values --- 2025-10-14 10:06:55 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:55 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:55 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:55 INFO imstat:::: -- minimum value [min]: -7.77795e-05 Jy/beam 2025-10-14 10:06:55 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:55 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:06:55 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:55 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:06:55 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:55 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:55 INFO imstat:::: Statistics --- 2025-10-14 10:06:55 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:55 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:55 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:55 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:55 INFO imstat:::: -- Median of the pixel values [median]: -1.86702e-05 Jy/beam 2025-10-14 10:06:55 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73612e-05 Jy/beam 2025-10-14 10:06:55 INFO imstat:::: -- IQR [quartile]: 3.56029e-05 Jy/beam 2025-10-14 10:06:55 INFO imstat:::: -- First quartile [q1]: -3.45082e-05 Jy/beam 2025-10-14 10:06:55 INFO imstat:::: -- Third quartile [q3]: 1.09472e-06 Jy/beam 2025-10-14 10:06:55 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:55 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:55 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:55 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:55 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:55 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:55 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 2025-10-14 10:06:55 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:54.944637 End time: 2025-10-14 10:06:54.976510 2025-10-14 10:06:55 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:55 INFO imstat::::casa ########################################## 2025-10-14 10:06:55 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:55 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:55 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 00:25:24.6496' ) 2025-10-14 10:06:55 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:55 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:55 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:55 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:55 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:55 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:55 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:55 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:55 INFO MSTransformManager::open Select data 2025-10-14 10:06:55 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:55 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 ".". 2025-10-14 10:06:55 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 05h00m21.5326 00:25:24.6496' successfully parsed 2025-10-14 10:06:55 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:55 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:55 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:54.995252 End time: 2025-10-14 10:06:55.401426 2025-10-14 10:06:55 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:55 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:55 INFO tclean::::casa ########################################## 2025-10-14 10:06:55 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:55 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 ) 2025-10-14 10:06:55 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:55 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:55 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:56 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:56 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:56 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:56 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:56 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:56 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:56 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:56 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:56 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:56 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:56 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.0104 2025-10-14 10:06:56 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:56 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:56 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:56 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:56 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:57 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:06:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:57 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:57 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:57 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:57 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:57 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:57 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:57 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:55.421331 End time: 2025-10-14 10:06:56.860377 2025-10-14 10:06:57 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:57 INFO tclean::::casa ########################################## 2025-10-14 10:06:57 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:57 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:57 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-10-14 10:06:57 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:57 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:57 2025****** 2025-10-14 10:06:57 INFO ImageFitter::fit+ 2025-10-14 10:06:57 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:57 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:57 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:57 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:57 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:57 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:57 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:57 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:57 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:57 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:57 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:06:57 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116907 Jy 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012652 Jy 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000038 +/- 0.000777 arcsec 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ --- ra: 127.999939 +/- 0.000127 pixels 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ --- dec: 127.999957 +/- 0.000097 pixels 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:57 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:57 INFO imstat::::casa ########################################## 2025-10-14 10:06:57 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:57 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:06:57 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:57 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:57 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:57 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:57 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:57 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) 2025-10-14 10:06:57 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:57 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:57 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:57 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:57 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2025-10-14 10:06:57 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2025-10-14 10:06:57 INFO imstat:::: Values --- 2025-10-14 10:06:57 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:57 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:57 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:57 INFO imstat:::: -- minimum value [min]: -7.78732e-05 Jy/beam 2025-10-14 10:06:57 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:57 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:06:57 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:57 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:06:57 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:57 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:57 INFO imstat:::: Statistics --- 2025-10-14 10:06:57 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:57 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:57 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:57 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:57 INFO imstat:::: -- Median of the pixel values [median]: -1.86516e-05 Jy/beam 2025-10-14 10:06:57 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73802e-05 Jy/beam 2025-10-14 10:06:57 INFO imstat:::: -- IQR [quartile]: 3.56959e-05 Jy/beam 2025-10-14 10:06:57 INFO imstat:::: -- First quartile [q1]: -3.45348e-05 Jy/beam 2025-10-14 10:06:57 INFO imstat:::: -- Third quartile [q3]: 1.16101e-06 Jy/beam 2025-10-14 10:06:57 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:57 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:57 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:57 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:57 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:57 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:57 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 2025-10-14 10:06:57 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:56.917212 End time: 2025-10-14 10:06:56.940701 2025-10-14 10:06:57 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:57 INFO imstat::::casa ########################################## 2025-10-14 10:06:57 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:57 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:57 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 6.352706472deg' ) 2025-10-14 10:06:57 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:57 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:57 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:57 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:57 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:57 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:57 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:57 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:57 INFO MSTransformManager::open Select data 2025-10-14 10:06:57 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:57 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:06:57 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 05h00m21.5326 6.352706472deg' successfully parsed 2025-10-14 10:06:57 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:57 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:57 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:56.954622 End time: 2025-10-14 10:06:57.319506 2025-10-14 10:06:57 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:57 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:57 INFO tclean::::casa ########################################## 2025-10-14 10:06:57 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:57 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 ) 2025-10-14 10:06:57 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:57 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:57 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:57 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:57 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:57 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:57 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:57 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:57 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:57 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:57 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:57 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:06:58 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:06:58 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.01867 2025-10-14 10:06:58 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:58 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:06:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:06:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:06:58 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:06:58 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:06:58 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:06:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:06:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:06:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:06:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:06:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:06:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:06:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:06:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:06:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:06:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:06:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:06:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:06:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:06:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:06:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:06:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:06:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:06:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:06:59 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:06:59 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:06:59 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:06:59 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:06:59 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:06:59 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:06:59 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:06:59 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:06:59 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:57.341058 End time: 2025-10-14 10:06:58.827237 2025-10-14 10:06:59 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:06:59 INFO tclean::::casa ########################################## 2025-10-14 10:06:59 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:06:59 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:59 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-10-14 10:06:59 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:06:59 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:06:59 2025****** 2025-10-14 10:06:59 INFO ImageFitter::fit+ 2025-10-14 10:06:59 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:06:59 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:06:59 INFO ImageFitter::fit+ --- region: 2025-10-14 10:06:59 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:06:59 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:06:59 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:06:59 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:06:59 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:06:59 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:06:59 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:59 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:06:59 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116872 Jy 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126486 Jy 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:06:59 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:06:59 INFO imstat::::casa ########################################## 2025-10-14 10:06:59 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:06:59 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:06:59 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:06:59 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:06:59 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:06:59 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:06:59 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:06:59 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:06:59 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:06:59 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:06:59 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:06:59 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:06:59 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:06:59 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:06:59 INFO imstat:::: Values --- 2025-10-14 10:06:59 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:06:59 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:06:59 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:06:59 INFO imstat:::: -- minimum value [min]: -7.7777e-05 Jy/beam 2025-10-14 10:06:59 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:06:59 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:06:59 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:06:59 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:06:59 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:06:59 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:06:59 INFO imstat:::: Statistics --- 2025-10-14 10:06:59 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:06:59 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:06:59 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:06:59 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:06:59 INFO imstat:::: -- Median of the pixel values [median]: -1.86705e-05 Jy/beam 2025-10-14 10:06:59 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7361e-05 Jy/beam 2025-10-14 10:06:59 INFO imstat:::: -- IQR [quartile]: 3.56027e-05 Jy/beam 2025-10-14 10:06:59 INFO imstat:::: -- First quartile [q1]: -3.45074e-05 Jy/beam 2025-10-14 10:06:59 INFO imstat:::: -- Third quartile [q3]: 1.09529e-06 Jy/beam 2025-10-14 10:06:59 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:06:59 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:06:59 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:06:59 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:06:59 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:06:59 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:06:59 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777703e-05 4.999996e+00 2025-10-14 10:06:59 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:06:58.870204 End time: 2025-10-14 10:06:58.890681 2025-10-14 10:06:59 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:06:59 INFO imstat::::casa ########################################## 2025-10-14 10:06:59 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:59 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:06:59 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 0.110875644rad' ) 2025-10-14 10:06:59 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:06:59 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:06:59 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:06:59 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:06:59 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:06:59 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:06:59 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:06:59 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:06:59 INFO MSTransformManager::open Select data 2025-10-14 10:06:59 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:06:59 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:06:59 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 05h00m21.5326 0.110875644rad' successfully parsed 2025-10-14 10:06:59 INFO phaseshift::::casa Shift phase center 2025-10-14 10:06:59 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:06:59 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:06:58.903781 End time: 2025-10-14 10:06:59.357124 2025-10-14 10:06:59 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:06:59 INFO phaseshift::::casa ########################################## 2025-10-14 10:06:59 INFO tclean::::casa ########################################## 2025-10-14 10:06:59 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:06:59 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 ) 2025-10-14 10:06:59 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:06:59 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:06:59 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:06:59 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:59 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:06:59 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:06:59 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:06:59 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:06:59 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:06:59 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:06:59 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:06:59 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:00 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:00 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.017709 2025-10-14 10:07:00 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:00 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:00 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:00 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:00 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:01 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:01 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:07:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:01 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:01 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:01 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:01 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:01 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:01 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:01 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:01 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:01 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:06:59.381999 End time: 2025-10-14 10:07:00.826468 2025-10-14 10:07:01 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:01 INFO tclean::::casa ########################################## 2025-10-14 10:07:01 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:01 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:01 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) 2025-10-14 10:07:01 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:01 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:01 2025****** 2025-10-14 10:07:01 INFO ImageFitter::fit+ 2025-10-14 10:07:01 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:01 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:01 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:01 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:01 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:01 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:01 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:01 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:01 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:01 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:01 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) 2025-10-14 10:07:01 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ --- ra: 128.000012 +/- 0.000127 pixels 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:01 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:01 INFO imstat::::casa ########################################## 2025-10-14 10:07:01 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:01 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 ) 2025-10-14 10:07:01 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:01 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:01 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:01 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:01 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:01 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) 2025-10-14 10:07:01 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:01 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:01 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:01 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:01 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:07:01 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:07:01 INFO imstat:::: Values --- 2025-10-14 10:07:01 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:01 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:01 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:01 INFO imstat:::: -- minimum value [min]: -7.77849e-05 Jy/beam 2025-10-14 10:07:01 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:01 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-10-14 10:07:01 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:01 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-10-14 10:07:01 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:01 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:01 INFO imstat:::: Statistics --- 2025-10-14 10:07:01 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:01 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:01 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:01 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:01 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2025-10-14 10:07:01 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73549e-05 Jy/beam 2025-10-14 10:07:01 INFO imstat:::: -- IQR [quartile]: 3.56016e-05 Jy/beam 2025-10-14 10:07:01 INFO imstat:::: -- First quartile [q1]: -3.45087e-05 Jy/beam 2025-10-14 10:07:01 INFO imstat:::: -- Third quartile [q3]: 1.0929e-06 Jy/beam 2025-10-14 10:07:01 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:01 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:01 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:01 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:01 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:01 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:01 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 2025-10-14 10:07:01 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:00.870677 End time: 2025-10-14 10:07:00.890886 2025-10-14 10:07:01 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:01 INFO imstat::::casa ########################################## 2025-10-14 10:07:01 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:01 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:01 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 +006d21m09.7433' ) 2025-10-14 10:07:01 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:01 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:01 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:01 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:01 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:01 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:01 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:01 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:01 INFO MSTransformManager::open Select data 2025-10-14 10:07:01 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:01 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:07:01 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 05:00:21.5326 +006d21m09.7433' successfully parsed 2025-10-14 10:07:01 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:01 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:01 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:00.904626 End time: 2025-10-14 10:07:01.234557 2025-10-14 10:07:01 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:01 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:01 INFO tclean::::casa ########################################## 2025-10-14 10:07:01 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:01 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:07:01 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:01 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:01 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:01 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:01 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:01 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:01 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:01 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:01 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:01 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:01 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:01 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:01 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:02 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010606 2025-10-14 10:07:02 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:02 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:02 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:02 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:02 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:07:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:02 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:02 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:02 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:02 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:02 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:03 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:01.262088 End time: 2025-10-14 10:07:02.541362 2025-10-14 10:07:03 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:03 INFO tclean::::casa ########################################## 2025-10-14 10:07:03 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:03 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:03 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) 2025-10-14 10:07:03 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:03 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:03 2025****** 2025-10-14 10:07:03 INFO ImageFitter::fit+ 2025-10-14 10:07:03 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:03 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:03 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:03 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:03 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:03 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:03 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:03 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:03 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:03 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:03 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) 2025-10-14 10:07:03 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116868 Jy 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126484 Jy 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:03 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:03 INFO imstat::::casa ########################################## 2025-10-14 10:07:03 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:03 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 ) 2025-10-14 10:07:03 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:03 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:03 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:03 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:03 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:03 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) 2025-10-14 10:07:03 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:03 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:03 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:03 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:03 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:07:03 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:07:03 INFO imstat:::: Values --- 2025-10-14 10:07:03 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:03 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:03 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:03 INFO imstat:::: -- minimum value [min]: -7.77795e-05 Jy/beam 2025-10-14 10:07:03 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:03 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:07:03 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:03 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:07:03 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:03 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:03 INFO imstat:::: Statistics --- 2025-10-14 10:07:03 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:03 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:03 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:03 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:03 INFO imstat:::: -- Median of the pixel values [median]: -1.86702e-05 Jy/beam 2025-10-14 10:07:03 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73612e-05 Jy/beam 2025-10-14 10:07:03 INFO imstat:::: -- IQR [quartile]: 3.56029e-05 Jy/beam 2025-10-14 10:07:03 INFO imstat:::: -- First quartile [q1]: -3.45082e-05 Jy/beam 2025-10-14 10:07:03 INFO imstat:::: -- Third quartile [q3]: 1.09472e-06 Jy/beam 2025-10-14 10:07:03 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:03 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:03 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:03 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:03 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:03 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:03 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 2025-10-14 10:07:03 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:02.584080 End time: 2025-10-14 10:07:02.603183 2025-10-14 10:07:03 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:03 INFO imstat::::casa ########################################## 2025-10-14 10:07:03 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:03 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:03 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 05:00:21.5326 00:25:24.6496' ) 2025-10-14 10:07:03 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:03 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:03 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:03 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:03 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:03 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:03 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:03 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:03 INFO MSTransformManager::open Select data 2025-10-14 10:07:03 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:03 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "00:25:24.6496" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-10-14 10:07:03 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 05:00:21.5326 00:25:24.6496' successfully parsed 2025-10-14 10:07:03 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:03 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:03 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:02.616352 End time: 2025-10-14 10:07:02.956954 2025-10-14 10:07:03 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:03 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:03 INFO tclean::::casa ########################################## 2025-10-14 10:07:03 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:03 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:07:03 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:03 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:03 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:03 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:03 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:03 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:03 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:03 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:03 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:03 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:03 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:03 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:03 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:03 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.011042 2025-10-14 10:07:03 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:03 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:03 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:03 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:04 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:04 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:04 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:07:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:04 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:04 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:04 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:04 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:04 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:04 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:02.976765 End time: 2025-10-14 10:07:04.418394 2025-10-14 10:07:04 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:04 INFO tclean::::casa ########################################## 2025-10-14 10:07:04 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:04 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:04 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) 2025-10-14 10:07:04 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:04 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:04 2025****** 2025-10-14 10:07:04 INFO ImageFitter::fit+ 2025-10-14 10:07:04 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:04 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:04 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:04 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:04 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:04 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:04 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:04 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:04 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:04 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:04 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) 2025-10-14 10:07:04 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116907 Jy 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012652 Jy 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000038 +/- 0.000777 arcsec 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ --- ra: 127.999939 +/- 0.000127 pixels 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ --- dec: 127.999957 +/- 0.000097 pixels 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:04 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:04 INFO imstat::::casa ########################################## 2025-10-14 10:07:04 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:04 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 ) 2025-10-14 10:07:04 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:04 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:04 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:04 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:04 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:04 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) 2025-10-14 10:07:04 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:04 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:04 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:04 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:04 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2025-10-14 10:07:04 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2025-10-14 10:07:04 INFO imstat:::: Values --- 2025-10-14 10:07:04 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:04 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:04 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:04 INFO imstat:::: -- minimum value [min]: -7.78732e-05 Jy/beam 2025-10-14 10:07:04 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:04 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:07:04 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:04 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:07:04 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:04 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:04 INFO imstat:::: Statistics --- 2025-10-14 10:07:04 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:04 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:04 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:04 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:04 INFO imstat:::: -- Median of the pixel values [median]: -1.86516e-05 Jy/beam 2025-10-14 10:07:04 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73802e-05 Jy/beam 2025-10-14 10:07:04 INFO imstat:::: -- IQR [quartile]: 3.56959e-05 Jy/beam 2025-10-14 10:07:04 INFO imstat:::: -- First quartile [q1]: -3.45348e-05 Jy/beam 2025-10-14 10:07:04 INFO imstat:::: -- Third quartile [q3]: 1.16101e-06 Jy/beam 2025-10-14 10:07:04 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:04 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:04 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:04 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:04 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:04 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:04 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 2025-10-14 10:07:04 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:04.460840 End time: 2025-10-14 10:07:04.481134 2025-10-14 10:07:04 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:04 INFO imstat::::casa ########################################## 2025-10-14 10:07:04 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:04 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:04 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 6.352706472deg' ) 2025-10-14 10:07:05 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:05 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:05 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:05 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:05 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:05 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:05 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:05 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:05 INFO MSTransformManager::open Select data 2025-10-14 10:07:05 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:05 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:07:05 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 05:00:21.5326 6.352706472deg' successfully parsed 2025-10-14 10:07:05 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:05 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:05 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:04.494187 End time: 2025-10-14 10:07:04.916976 2025-10-14 10:07:05 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:05 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:05 INFO tclean::::casa ########################################## 2025-10-14 10:07:05 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:05 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:07:05 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:05 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:05 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:05 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:05 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:05 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:05 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:05 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:05 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:05 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:05 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:05 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:05 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:05 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.016044 2025-10-14 10:07:05 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:05 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:05 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:05 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:05 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:05 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:05 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:05 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:05 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:05 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:07:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:06 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:06 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:06 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:06 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:06 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:06 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:04.938554 End time: 2025-10-14 10:07:06.467469 2025-10-14 10:07:06 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:06 INFO tclean::::casa ########################################## 2025-10-14 10:07:06 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:06 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:06 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) 2025-10-14 10:07:06 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:06 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:06 2025****** 2025-10-14 10:07:06 INFO ImageFitter::fit+ 2025-10-14 10:07:06 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:06 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:06 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:06 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:06 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:06 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:06 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:06 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:07 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:07 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:07 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) 2025-10-14 10:07:07 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116872 Jy 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126486 Jy 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:07 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:07 INFO imstat::::casa ########################################## 2025-10-14 10:07:07 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:07 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 ) 2025-10-14 10:07:07 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:07 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:07 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:07 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:07 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:07 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) 2025-10-14 10:07:07 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:07 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:07 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:07 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:07 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:07:07 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:07:07 INFO imstat:::: Values --- 2025-10-14 10:07:07 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:07 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:07 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:07 INFO imstat:::: -- minimum value [min]: -7.7777e-05 Jy/beam 2025-10-14 10:07:07 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:07 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:07:07 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:07 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:07:07 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:07 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:07 INFO imstat:::: Statistics --- 2025-10-14 10:07:07 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:07 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:07 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:07 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:07 INFO imstat:::: -- Median of the pixel values [median]: -1.86705e-05 Jy/beam 2025-10-14 10:07:07 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7361e-05 Jy/beam 2025-10-14 10:07:07 INFO imstat:::: -- IQR [quartile]: 3.56027e-05 Jy/beam 2025-10-14 10:07:07 INFO imstat:::: -- First quartile [q1]: -3.45074e-05 Jy/beam 2025-10-14 10:07:07 INFO imstat:::: -- Third quartile [q3]: 1.09529e-06 Jy/beam 2025-10-14 10:07:07 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:07 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:07 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:07 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:07 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:07 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:07 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 2025-10-14 10:07:07 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:06.525821 End time: 2025-10-14 10:07:06.549176 2025-10-14 10:07:07 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:07 INFO imstat::::casa ########################################## 2025-10-14 10:07:07 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:07 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:07 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' ) 2025-10-14 10:07:07 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:07 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:07 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:07 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:07 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:07 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:07 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:07 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:07 INFO MSTransformManager::open Select data 2025-10-14 10:07:07 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:07 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:07:07 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 05:00:21.5326 0.110875644rad' successfully parsed 2025-10-14 10:07:07 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:07 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:07 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:06.562753 End time: 2025-10-14 10:07:06.995671 2025-10-14 10:07:07 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:07 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:07 INFO tclean::::casa ########################################## 2025-10-14 10:07:07 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:07 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:07:07 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:07 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:07 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:07 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:07 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:07 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:07 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:07 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:07 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:07 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:07 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:07 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:07 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:07 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.014451 2025-10-14 10:07:07 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:07 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:07 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:07 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:08 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:08 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:08 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:08 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:08 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:08 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:08 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:08 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:08 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:08 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:08 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:08 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:08 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:07:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:08 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:08 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:08 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:08 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:08 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:08 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:08 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:08 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:07.016523 End time: 2025-10-14 10:07:08.466827 2025-10-14 10:07:08 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:08 INFO tclean::::casa ########################################## 2025-10-14 10:07:08 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:08 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:08 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) 2025-10-14 10:07:08 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:08 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:08 2025****** 2025-10-14 10:07:08 INFO ImageFitter::fit+ 2025-10-14 10:07:08 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:08 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:08 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:08 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:08 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:08 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:08 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:08 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:09 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:09 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:09 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) 2025-10-14 10:07:09 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ --- ra: 128.000012 +/- 0.000127 pixels 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:09 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:09 INFO imstat::::casa ########################################## 2025-10-14 10:07:09 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:09 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 ) 2025-10-14 10:07:09 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:09 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:09 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:09 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:09 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:09 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:07:09 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:09 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:09 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:09 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:09 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:07:09 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:07:09 INFO imstat:::: Values --- 2025-10-14 10:07:09 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:09 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:09 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:09 INFO imstat:::: -- minimum value [min]: -7.77849e-05 Jy/beam 2025-10-14 10:07:09 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:09 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-10-14 10:07:09 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:09 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-10-14 10:07:09 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:09 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:09 INFO imstat:::: Statistics --- 2025-10-14 10:07:09 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:09 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:09 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:09 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:09 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2025-10-14 10:07:09 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73549e-05 Jy/beam 2025-10-14 10:07:09 INFO imstat:::: -- IQR [quartile]: 3.56016e-05 Jy/beam 2025-10-14 10:07:09 INFO imstat:::: -- First quartile [q1]: -3.45087e-05 Jy/beam 2025-10-14 10:07:09 INFO imstat:::: -- Third quartile [q3]: 1.0929e-06 Jy/beam 2025-10-14 10:07:09 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:09 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:09 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:09 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:09 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:09 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:09 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 2025-10-14 10:07:09 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:08.531281 End time: 2025-10-14 10:07:08.555986 2025-10-14 10:07:09 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:09 INFO imstat::::casa ########################################## 2025-10-14 10:07:09 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:09 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:09 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg +006d21m09.7433' ) 2025-10-14 10:07:09 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:09 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:09 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:09 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:09 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:09 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:09 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:09 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:09 INFO MSTransformManager::open Select data 2025-10-14 10:07:09 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:09 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:07:09 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 75.089719167deg +006d21m09.7433' successfully parsed 2025-10-14 10:07:09 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:09 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:09 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:08.571682 End time: 2025-10-14 10:07:08.971785 2025-10-14 10:07:09 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:09 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:09 INFO tclean::::casa ########################################## 2025-10-14 10:07:09 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:09 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 ) 2025-10-14 10:07:09 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:09 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:09 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:09 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:09 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:09 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:09 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:09 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:09 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:09 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:09 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:09 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:09 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:09 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.011307 2025-10-14 10:07:09 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:09 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:09 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:09 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:09 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:09 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:09 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:10 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:10 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:10 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:07:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:10 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:10 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:10 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:10 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:10 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:10 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:10 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:09.004887 End time: 2025-10-14 10:07:10.481461 2025-10-14 10:07:10 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:10 INFO tclean::::casa ########################################## 2025-10-14 10:07:11 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:11 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:11 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-10-14 10:07:11 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:11 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:11 2025****** 2025-10-14 10:07:11 INFO ImageFitter::fit+ 2025-10-14 10:07:11 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:11 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:11 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:11 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:11 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:11 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:11 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:11 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:11 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:11 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:11 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:07:11 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116867 Jy 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126483 Jy 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ --- dec: 127.999996 +/- 0.000097 pixels 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:11 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:11 INFO imstat::::casa ########################################## 2025-10-14 10:07:11 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:11 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:07:11 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:11 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:11 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:11 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:11 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:11 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:07:11 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:11 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:11 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:11 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:11 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:07:11 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:07:11 INFO imstat:::: Values --- 2025-10-14 10:07:11 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:11 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:11 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:11 INFO imstat:::: -- minimum value [min]: -7.77768e-05 Jy/beam 2025-10-14 10:07:11 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:11 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:07:11 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:11 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:07:11 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:11 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:11 INFO imstat:::: Statistics --- 2025-10-14 10:07:11 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:11 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:11 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:11 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:11 INFO imstat:::: -- Median of the pixel values [median]: -1.86705e-05 Jy/beam 2025-10-14 10:07:11 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73609e-05 Jy/beam 2025-10-14 10:07:11 INFO imstat:::: -- IQR [quartile]: 3.56013e-05 Jy/beam 2025-10-14 10:07:11 INFO imstat:::: -- First quartile [q1]: -3.4507e-05 Jy/beam 2025-10-14 10:07:11 INFO imstat:::: -- Third quartile [q3]: 1.09435e-06 Jy/beam 2025-10-14 10:07:11 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:11 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:11 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:11 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:11 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:11 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:11 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 2025-10-14 10:07:11 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:10.546650 End time: 2025-10-14 10:07:10.572314 2025-10-14 10:07:11 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:11 INFO imstat::::casa ########################################## 2025-10-14 10:07:11 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:11 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:11 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg 00:25:24.6496' ) 2025-10-14 10:07:11 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:11 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:11 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:11 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:11 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:11 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:11 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:11 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:11 INFO MSTransformManager::open Select data 2025-10-14 10:07:11 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:11 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "00:25:24.6496" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-10-14 10:07:11 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 75.089719167deg 00:25:24.6496' successfully parsed 2025-10-14 10:07:11 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:11 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:11 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:10.587190 End time: 2025-10-14 10:07:11.022420 2025-10-14 10:07:11 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:11 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:11 INFO tclean::::casa ########################################## 2025-10-14 10:07:11 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:11 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:07:11 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:11 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:11 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:11 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:11 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:11 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:11 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:11 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:11 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:11 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:11 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:11 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:11 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:11 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010926 2025-10-14 10:07:11 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:11 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:11 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:11 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:11 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:11 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:07:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:12 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:12 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:12 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:12 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:12 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:12 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:11.043680 End time: 2025-10-14 10:07:12.340502 2025-10-14 10:07:12 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:12 INFO tclean::::casa ########################################## 2025-10-14 10:07:12 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:12 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:12 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) 2025-10-14 10:07:12 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:12 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:12 2025****** 2025-10-14 10:07:12 INFO ImageFitter::fit+ 2025-10-14 10:07:12 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:12 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:12 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:12 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:12 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:12 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:12 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:12 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:12 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:12 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:12 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) 2025-10-14 10:07:12 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116903 Jy 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126517 Jy 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000038 +/- 0.000777 arcsec 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ --- ra: 127.999939 +/- 0.000127 pixels 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ --- dec: 127.999957 +/- 0.000097 pixels 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:12 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:12 INFO imstat::::casa ########################################## 2025-10-14 10:07:12 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:12 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 ) 2025-10-14 10:07:12 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:12 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:12 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:12 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:12 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:12 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz) 2025-10-14 10:07:12 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:12 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:12 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:12 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:12 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2025-10-14 10:07:12 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2025-10-14 10:07:12 INFO imstat:::: Values --- 2025-10-14 10:07:12 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:12 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:12 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:12 INFO imstat:::: -- minimum value [min]: -7.78731e-05 Jy/beam 2025-10-14 10:07:12 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:12 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:07:12 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:12 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:07:12 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:12 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:12 INFO imstat:::: Statistics --- 2025-10-14 10:07:12 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:12 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:12 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:12 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:12 INFO imstat:::: -- Median of the pixel values [median]: -1.86503e-05 Jy/beam 2025-10-14 10:07:12 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73798e-05 Jy/beam 2025-10-14 10:07:12 INFO imstat:::: -- IQR [quartile]: 3.56966e-05 Jy/beam 2025-10-14 10:07:12 INFO imstat:::: -- First quartile [q1]: -3.45352e-05 Jy/beam 2025-10-14 10:07:12 INFO imstat:::: -- Third quartile [q3]: 1.16146e-06 Jy/beam 2025-10-14 10:07:12 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:12 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:12 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:12 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:12 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:12 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:12 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 2025-10-14 10:07:12 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:12.385031 End time: 2025-10-14 10:07:12.405203 2025-10-14 10:07:12 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:12 INFO imstat::::casa ########################################## 2025-10-14 10:07:12 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:12 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:12 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg 6.352706472deg' ) 2025-10-14 10:07:12 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:12 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:12 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:12 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:12 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:12 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:12 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:12 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:12 INFO MSTransformManager::open Select data 2025-10-14 10:07:12 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:13 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:07:13 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 75.089719167deg 6.352706472deg' successfully parsed 2025-10-14 10:07:13 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:13 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:13 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:12.419351 End time: 2025-10-14 10:07:12.798964 2025-10-14 10:07:13 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:13 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:13 INFO tclean::::casa ########################################## 2025-10-14 10:07:13 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:13 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 ) 2025-10-14 10:07:13 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:13 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:13 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:13 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:13 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:13 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:13 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:13 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:13 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:13 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:13 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:13 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:13 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:13 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.018702 2025-10-14 10:07:13 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:13 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:13 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:13 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:13 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:13 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:14 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:14 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:14 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:14 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:14 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:07:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:14 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:14 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:14 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:14 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:14 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:14 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:14 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:12.834554 End time: 2025-10-14 10:07:14.282126 2025-10-14 10:07:14 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:14 INFO tclean::::casa ########################################## 2025-10-14 10:07:14 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:14 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:14 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-10-14 10:07:14 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:14 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:14 2025****** 2025-10-14 10:07:14 INFO ImageFitter::fit+ 2025-10-14 10:07:14 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:14 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:14 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:14 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:14 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:14 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:14 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:14 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:14 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:14 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:14 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:07:14 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.00011687 Jy 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ --- dec: 127.999996 +/- 0.000097 pixels 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:14 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:14 INFO imstat::::casa ########################################## 2025-10-14 10:07:14 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:14 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:07:14 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:14 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:14 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:14 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:14 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:14 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:07:14 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:14 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:14 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:14 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:14 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:07:14 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:07:14 INFO imstat:::: Values --- 2025-10-14 10:07:14 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:14 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:14 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:14 INFO imstat:::: -- minimum value [min]: -7.77771e-05 Jy/beam 2025-10-14 10:07:14 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:14 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:07:14 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:14 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:07:14 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:14 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:14 INFO imstat:::: Statistics --- 2025-10-14 10:07:14 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:14 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:14 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:14 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:14 INFO imstat:::: -- Median of the pixel values [median]: -1.86715e-05 Jy/beam 2025-10-14 10:07:14 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73619e-05 Jy/beam 2025-10-14 10:07:14 INFO imstat:::: -- IQR [quartile]: 3.56021e-05 Jy/beam 2025-10-14 10:07:14 INFO imstat:::: -- First quartile [q1]: -3.45061e-05 Jy/beam 2025-10-14 10:07:14 INFO imstat:::: -- Third quartile [q3]: 1.09605e-06 Jy/beam 2025-10-14 10:07:14 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:14 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:14 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:14 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:14 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:14 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:14 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 2025-10-14 10:07:14 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:14.342169 End time: 2025-10-14 10:07:14.365752 2025-10-14 10:07:14 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:14 INFO imstat::::casa ########################################## 2025-10-14 10:07:14 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:14 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:14 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg 0.110875644rad' ) 2025-10-14 10:07:14 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:14 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:14 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:14 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:14 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:14 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:14 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:14 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:14 INFO MSTransformManager::open Select data 2025-10-14 10:07:14 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:15 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:07:15 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 75.089719167deg 0.110875644rad' successfully parsed 2025-10-14 10:07:15 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:15 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:15 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:14.380729 End time: 2025-10-14 10:07:14.746766 2025-10-14 10:07:15 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:15 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:15 INFO tclean::::casa ########################################## 2025-10-14 10:07:15 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:15 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 ) 2025-10-14 10:07:15 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:15 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:15 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:15 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:15 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:15 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:15 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:15 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:15 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:15 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:15 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:15 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:15 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:15 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.011148 2025-10-14 10:07:15 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:15 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:15 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:15 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:15 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:16 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:16 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:07:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:16 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:16 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:16 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:16 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:16 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:16 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:14.769120 End time: 2025-10-14 10:07:16.118089 2025-10-14 10:07:16 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:16 INFO tclean::::casa ########################################## 2025-10-14 10:07:16 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:16 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:16 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-10-14 10:07:16 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:16 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:16 2025****** 2025-10-14 10:07:16 INFO ImageFitter::fit+ 2025-10-14 10:07:16 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:16 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:16 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:16 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:16 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:16 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:16 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:16 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:16 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:16 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:16 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:07:16 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116868 Jy 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126482 Jy 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ --- ra: 128.000012 +/- 0.000127 pixels 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:16 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:16 INFO imstat::::casa ########################################## 2025-10-14 10:07:16 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:16 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:07:16 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:16 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:16 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:16 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:16 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:16 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:07:16 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:16 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:16 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:16 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:16 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:07:16 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:07:16 INFO imstat:::: Values --- 2025-10-14 10:07:16 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:16 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:16 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:16 INFO imstat:::: -- minimum value [min]: -7.77855e-05 Jy/beam 2025-10-14 10:07:16 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:16 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-10-14 10:07:16 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:16 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-10-14 10:07:16 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:16 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:16 INFO imstat:::: Statistics --- 2025-10-14 10:07:16 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:16 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:16 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:16 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:16 INFO imstat:::: -- Median of the pixel values [median]: -1.86732e-05 Jy/beam 2025-10-14 10:07:16 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73562e-05 Jy/beam 2025-10-14 10:07:16 INFO imstat:::: -- IQR [quartile]: 3.56008e-05 Jy/beam 2025-10-14 10:07:16 INFO imstat:::: -- First quartile [q1]: -3.45107e-05 Jy/beam 2025-10-14 10:07:16 INFO imstat:::: -- Third quartile [q3]: 1.09015e-06 Jy/beam 2025-10-14 10:07:16 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:16 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:16 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:16 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:16 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:16 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:16 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 2025-10-14 10:07:16 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:16.162143 End time: 2025-10-14 10:07:16.182940 2025-10-14 10:07:16 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:16 INFO imstat::::casa ########################################## 2025-10-14 10:07:16 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:16 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:16 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad +006d21m09.7433' ) 2025-10-14 10:07:16 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:16 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:16 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:16 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:16 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:16 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:16 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:16 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:16 INFO MSTransformManager::open Select data 2025-10-14 10:07:16 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:16 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:07:16 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 1.310562834rad +006d21m09.7433' successfully parsed 2025-10-14 10:07:16 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:17 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:17 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:16.196422 End time: 2025-10-14 10:07:16.626701 2025-10-14 10:07:17 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:17 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:17 INFO tclean::::casa ########################################## 2025-10-14 10:07:17 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:17 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:07:17 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:17 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:17 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:17 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:17 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:17 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:17 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:17 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:17 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:17 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:17 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:17 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:17 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:17 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.020205 2025-10-14 10:07:17 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:17 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:17 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:17 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:17 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:18 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:18 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:18 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:18 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:07:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:18 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:18 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:18 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:18 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:18 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:18 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:18 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:18 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:18 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:16.648011 End time: 2025-10-14 10:07:18.036060 2025-10-14 10:07:18 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:18 INFO tclean::::casa ########################################## 2025-10-14 10:07:18 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:18 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:18 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) 2025-10-14 10:07:18 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:18 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:18 2025****** 2025-10-14 10:07:18 INFO ImageFitter::fit+ 2025-10-14 10:07:18 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:18 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:18 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:18 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:18 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:18 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:18 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:18 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:18 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:18 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:18 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) 2025-10-14 10:07:18 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116872 Jy 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000006 +/- 0.000777 arcsec 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ --- ra: 128.000007 +/- 0.000127 pixels 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ --- dec: 127.999994 +/- 0.000097 pixels 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:18 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:18 INFO imstat::::casa ########################################## 2025-10-14 10:07:18 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:18 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 ) 2025-10-14 10:07:18 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:18 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:18 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:18 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:18 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:18 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) 2025-10-14 10:07:18 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:18 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:07:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:07:18 INFO imstat:::: Values --- 2025-10-14 10:07:18 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:18 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:18 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:18 INFO imstat:::: -- minimum value [min]: -7.77801e-05 Jy/beam 2025-10-14 10:07:18 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:18 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:07:18 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:18 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:07:18 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:18 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:18 INFO imstat:::: Statistics --- 2025-10-14 10:07:18 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:18 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:18 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:18 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:18 INFO imstat:::: -- Median of the pixel values [median]: -1.86669e-05 Jy/beam 2025-10-14 10:07:18 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73635e-05 Jy/beam 2025-10-14 10:07:18 INFO imstat:::: -- IQR [quartile]: 3.56081e-05 Jy/beam 2025-10-14 10:07:18 INFO imstat:::: -- First quartile [q1]: -3.45085e-05 Jy/beam 2025-10-14 10:07:18 INFO imstat:::: -- Third quartile [q3]: 1.09959e-06 Jy/beam 2025-10-14 10:07:18 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:18 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:18 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:18 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:18 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:18 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:18 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 2025-10-14 10:07:18 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:18.091557 End time: 2025-10-14 10:07:18.113377 2025-10-14 10:07:18 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:18 INFO imstat::::casa ########################################## 2025-10-14 10:07:18 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:18 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:18 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad 00:25:24.6496' ) 2025-10-14 10:07:18 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:18 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:18 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:18 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:18 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:18 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:18 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:18 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:18 INFO MSTransformManager::open Select data 2025-10-14 10:07:18 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:18 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 ".". 2025-10-14 10:07:18 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 1.310562834rad 00:25:24.6496' successfully parsed 2025-10-14 10:07:18 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:19 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:19 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:18.126829 End time: 2025-10-14 10:07:18.547434 2025-10-14 10:07:19 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:19 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:19 INFO tclean::::casa ########################################## 2025-10-14 10:07:19 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:19 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 ) 2025-10-14 10:07:19 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:19 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:19 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:19 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:19 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:19 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:19 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:19 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:19 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:19 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:19 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:19 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:19 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:19 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.011411 2025-10-14 10:07:19 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:19 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:19 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:19 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:19 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:20 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:20 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:20 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:07:20 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:20 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:20 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:20 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:20 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:20 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:20 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:20 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:20 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:20 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:18.568931 End time: 2025-10-14 10:07:19.881418 2025-10-14 10:07:20 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:20 INFO tclean::::casa ########################################## 2025-10-14 10:07:20 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:20 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:20 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) 2025-10-14 10:07:20 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:20 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:20 2025****** 2025-10-14 10:07:20 INFO ImageFitter::fit+ 2025-10-14 10:07:20 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:20 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:20 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:20 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:20 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:20 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:20 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:20 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:20 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:20 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:20 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) 2025-10-14 10:07:20 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116905 Jy 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012652 Jy 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000041 +/- 0.000777 arcsec 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ --- ra: 127.999941 +/- 0.000127 pixels 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ --- dec: 127.999954 +/- 0.000097 pixels 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:20 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:20 INFO imstat::::casa ########################################## 2025-10-14 10:07:20 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:20 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 ) 2025-10-14 10:07:20 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:20 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:20 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:20 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:20 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:20 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) 2025-10-14 10:07:20 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:20 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:20 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:20 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:20 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2025-10-14 10:07:20 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2025-10-14 10:07:20 INFO imstat:::: Values --- 2025-10-14 10:07:20 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:20 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:20 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:20 INFO imstat:::: -- minimum value [min]: -7.78774e-05 Jy/beam 2025-10-14 10:07:20 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:20 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:07:20 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:20 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:07:20 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:20 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:20 INFO imstat:::: Statistics --- 2025-10-14 10:07:20 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:20 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:20 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:20 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:20 INFO imstat:::: -- Median of the pixel values [median]: -1.86532e-05 Jy/beam 2025-10-14 10:07:20 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73779e-05 Jy/beam 2025-10-14 10:07:20 INFO imstat:::: -- IQR [quartile]: 3.5701e-05 Jy/beam 2025-10-14 10:07:20 INFO imstat:::: -- First quartile [q1]: -3.45356e-05 Jy/beam 2025-10-14 10:07:20 INFO imstat:::: -- Third quartile [q3]: 1.16544e-06 Jy/beam 2025-10-14 10:07:20 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:20 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:20 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:20 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:20 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:20 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:20 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 2025-10-14 10:07:20 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:19.946551 End time: 2025-10-14 10:07:19.981017 2025-10-14 10:07:20 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:20 INFO imstat::::casa ########################################## 2025-10-14 10:07:20 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:20 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:20 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 6.352706472deg' ) 2025-10-14 10:07:20 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:20 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:20 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:20 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:20 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:20 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:20 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:20 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:20 INFO MSTransformManager::open Select data 2025-10-14 10:07:20 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:20 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:07:20 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 1.310562834rad 6.352706472deg' successfully parsed 2025-10-14 10:07:20 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:20 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:20 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:20.004077 End time: 2025-10-14 10:07:20.452379 2025-10-14 10:07:20 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:20 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:20 INFO tclean::::casa ########################################## 2025-10-14 10:07:20 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:20 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:07:20 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:20 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:20 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:21 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:21 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:21 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:21 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:21 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:21 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:21 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:21 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:21 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:21 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:21 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.016072 2025-10-14 10:07:21 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:21 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:21 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:21 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:21 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:22 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:22 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:07:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:22 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:22 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:22 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:22 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:22 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:22 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:22 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:22 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:22 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:20.474819 End time: 2025-10-14 10:07:21.880309 2025-10-14 10:07:22 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:22 INFO tclean::::casa ########################################## 2025-10-14 10:07:22 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:22 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:22 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-10-14 10:07:22 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:22 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:22 2025****** 2025-10-14 10:07:22 INFO ImageFitter::fit+ 2025-10-14 10:07:22 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:22 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:22 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:22 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:22 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:22 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:22 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:22 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:22 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:22 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:22 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:07:22 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116868 Jy 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000006 +/- 0.000777 arcsec 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ --- ra: 128.000007 +/- 0.000127 pixels 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ --- dec: 127.999994 +/- 0.000097 pixels 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:22 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:22 INFO imstat::::casa ########################################## 2025-10-14 10:07:22 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:22 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:07:22 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:22 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:22 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:22 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:22 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:22 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:07:22 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:22 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:22 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:22 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:22 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:07:22 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:07:22 INFO imstat:::: Values --- 2025-10-14 10:07:22 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:22 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:22 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:22 INFO imstat:::: -- minimum value [min]: -7.77798e-05 Jy/beam 2025-10-14 10:07:22 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:22 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:07:22 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:22 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:07:22 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:22 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:22 INFO imstat:::: Statistics --- 2025-10-14 10:07:22 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:22 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:22 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:22 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:22 INFO imstat:::: -- Median of the pixel values [median]: -1.86675e-05 Jy/beam 2025-10-14 10:07:22 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73645e-05 Jy/beam 2025-10-14 10:07:22 INFO imstat:::: -- IQR [quartile]: 3.56077e-05 Jy/beam 2025-10-14 10:07:22 INFO imstat:::: -- First quartile [q1]: -3.45073e-05 Jy/beam 2025-10-14 10:07:22 INFO imstat:::: -- Third quartile [q3]: 1.1004e-06 Jy/beam 2025-10-14 10:07:22 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:22 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:22 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:22 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:22 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:22 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:22 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 2025-10-14 10:07:22 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:21.922066 End time: 2025-10-14 10:07:21.941548 2025-10-14 10:07:22 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:22 INFO imstat::::casa ########################################## 2025-10-14 10:07:22 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:22 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:22 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad 0.110875644rad' ) 2025-10-14 10:07:22 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:22 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:22 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:22 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:22 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:22 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:22 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:22 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:22 INFO MSTransformManager::open Select data 2025-10-14 10:07:22 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:22 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:07:22 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 1.310562834rad 0.110875644rad' successfully parsed 2025-10-14 10:07:22 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:22 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:22 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:21.954608 End time: 2025-10-14 10:07:22.313779 2025-10-14 10:07:22 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:22 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:22 INFO tclean::::casa ########################################## 2025-10-14 10:07:22 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:22 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 ) 2025-10-14 10:07:22 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:22 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:22 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:22 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:22 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:22 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:22 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:22 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:22 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:22 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:22 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:22 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:23 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:23 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010508 2025-10-14 10:07:23 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:23 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:23 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:23 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:23 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:07:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:24 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:24 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:24 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:24 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:24 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:24 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:22.335345 End time: 2025-10-14 10:07:23.795181 2025-10-14 10:07:24 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:24 INFO tclean::::casa ########################################## 2025-10-14 10:07:24 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:24 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:24 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-10-14 10:07:24 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:24 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:24 2025****** 2025-10-14 10:07:24 INFO ImageFitter::fit+ 2025-10-14 10:07:24 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:24 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:24 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:24 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:24 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:24 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:24 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:24 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:24 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:24 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:24 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:07:24 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126484 Jy 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000002 +/- 0.000777 arcsec 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ --- ra: 128.000014 +/- 0.000127 pixels 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ --- dec: 127.999998 +/- 0.000097 pixels 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:24 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:24 INFO imstat::::casa ########################################## 2025-10-14 10:07:24 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:24 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:07:24 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:24 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:24 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:24 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:24 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:24 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:07:24 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:24 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:24 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:24 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:24 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:07:24 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:07:24 INFO imstat:::: Values --- 2025-10-14 10:07:24 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:24 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:24 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:24 INFO imstat:::: -- minimum value [min]: -7.77816e-05 Jy/beam 2025-10-14 10:07:24 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:24 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-10-14 10:07:24 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:24 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-10-14 10:07:24 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:24 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:24 INFO imstat:::: Statistics --- 2025-10-14 10:07:24 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:24 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:24 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:24 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:24 INFO imstat:::: -- Median of the pixel values [median]: -1.8676e-05 Jy/beam 2025-10-14 10:07:24 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73584e-05 Jy/beam 2025-10-14 10:07:24 INFO imstat:::: -- IQR [quartile]: 3.56038e-05 Jy/beam 2025-10-14 10:07:24 INFO imstat:::: -- First quartile [q1]: -3.45104e-05 Jy/beam 2025-10-14 10:07:24 INFO imstat:::: -- Third quartile [q3]: 1.09331e-06 Jy/beam 2025-10-14 10:07:24 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:24 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:24 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:24 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:24 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:24 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:24 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 2025-10-14 10:07:24 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:23.876541 End time: 2025-10-14 10:07:23.905159 2025-10-14 10:07:24 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:24 INFO imstat::::casa ########################################## 2025-10-14 10:07:24 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:24 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:24 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 39d58m05.8512' ) 2025-10-14 10:07:24 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:24 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:24 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:24 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:24 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:24 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:24 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:24 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:24 INFO MSTransformManager::open Select data 2025-10-14 10:07:24 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:24 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:07:24 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 19h52m05.65239 39d58m05.8512' successfully parsed 2025-10-14 10:07:24 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:24 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:24 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:23.923634 End time: 2025-10-14 10:07:24.323321 2025-10-14 10:07:24 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:24 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:24 INFO tclean::::casa ########################################## 2025-10-14 10:07:24 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:24 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 ) 2025-10-14 10:07:24 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:24 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:24 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:24 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:24 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:24 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:24 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:24 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:24 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:24 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:24 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:24 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:25 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:25 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.011045 2025-10-14 10:07:25 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:25 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:25 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:25 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:25 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:26 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:07:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:26 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:26 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:26 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:26 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:26 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:26 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:24.344508 End time: 2025-10-14 10:07:25.809806 2025-10-14 10:07:26 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:26 INFO tclean::::casa ########################################## 2025-10-14 10:07:26 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:26 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:26 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) 2025-10-14 10:07:26 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:26 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:26 2025****** 2025-10-14 10:07:26 INFO ImageFitter::fit+ 2025-10-14 10:07:26 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:26 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:26 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:26 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:26 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:26 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:26 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:26 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:26 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:26 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:26 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) 2025-10-14 10:07:26 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:26 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:26 INFO imstat::::casa ########################################## 2025-10-14 10:07:26 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:26 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 ) 2025-10-14 10:07:26 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:26 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:26 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:26 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:26 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:26 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) 2025-10-14 10:07:26 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:26 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:26 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:26 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:26 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:07:26 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:07:26 INFO imstat:::: Values --- 2025-10-14 10:07:26 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:26 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:26 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:26 INFO imstat:::: -- minimum value [min]: -7.77826e-05 Jy/beam 2025-10-14 10:07:26 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:26 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:07:26 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:26 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:07:26 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:26 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:26 INFO imstat:::: Statistics --- 2025-10-14 10:07:26 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:26 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:26 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:26 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:26 INFO imstat:::: -- Median of the pixel values [median]: -1.86649e-05 Jy/beam 2025-10-14 10:07:26 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam 2025-10-14 10:07:26 INFO imstat:::: -- IQR [quartile]: 3.56026e-05 Jy/beam 2025-10-14 10:07:26 INFO imstat:::: -- First quartile [q1]: -3.45067e-05 Jy/beam 2025-10-14 10:07:26 INFO imstat:::: -- Third quartile [q3]: 1.09593e-06 Jy/beam 2025-10-14 10:07:26 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:26 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:26 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:26 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:26 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:26 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:26 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 2025-10-14 10:07:26 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:25.855741 End time: 2025-10-14 10:07:25.888016 2025-10-14 10:07:26 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:26 INFO imstat::::casa ########################################## 2025-10-14 10:07:26 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:26 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:26 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 02:39:52.3901' ) 2025-10-14 10:07:26 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:26 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:26 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:26 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:26 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:26 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:26 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:26 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:26 INFO MSTransformManager::open Select data 2025-10-14 10:07:26 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:26 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:39:52.3901" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-10-14 10:07:26 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 19h52m05.65239 02:39:52.3901' successfully parsed 2025-10-14 10:07:26 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:26 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:26 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:25.901667 End time: 2025-10-14 10:07:26.316707 2025-10-14 10:07:26 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:26 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:26 INFO tclean::::casa ########################################## 2025-10-14 10:07:26 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:26 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 ) 2025-10-14 10:07:26 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:26 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:26 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:26 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:26 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:26 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:26 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:26 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:26 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:26 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:26 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:26 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:27 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:27 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.014439 2025-10-14 10:07:27 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:27 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:27 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:27 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:27 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:07:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:28 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:28 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:28 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:28 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:28 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:28 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:28 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:28 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:28 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:26.339093 End time: 2025-10-14 10:07:27.826641 2025-10-14 10:07:28 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:28 INFO tclean::::casa ########################################## 2025-10-14 10:07:28 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:28 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:28 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-10-14 10:07:28 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:28 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:28 2025****** 2025-10-14 10:07:28 INFO ImageFitter::fit+ 2025-10-14 10:07:28 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:28 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:28 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:28 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:28 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:28 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:28 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:28 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:28 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:28 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:28 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:07:28 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.00011688 Jy 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126496 Jy 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000034 +/- 0.000777 arcsec 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ --- dec: 127.999963 +/- 0.000097 pixels 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:28 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:28 INFO imstat::::casa ########################################## 2025-10-14 10:07:28 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:28 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:07:28 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:28 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:28 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:28 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:28 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:28 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) 2025-10-14 10:07:28 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:28 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:28 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:28 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:28 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2025-10-14 10:07:28 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2025-10-14 10:07:28 INFO imstat:::: Values --- 2025-10-14 10:07:28 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:28 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:28 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:28 INFO imstat:::: -- minimum value [min]: -7.78225e-05 Jy/beam 2025-10-14 10:07:28 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:28 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:07:28 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:28 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:07:28 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:28 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:28 INFO imstat:::: Statistics --- 2025-10-14 10:07:28 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:28 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:28 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:28 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:28 INFO imstat:::: -- Median of the pixel values [median]: -1.86781e-05 Jy/beam 2025-10-14 10:07:28 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73751e-05 Jy/beam 2025-10-14 10:07:28 INFO imstat:::: -- IQR [quartile]: 3.56365e-05 Jy/beam 2025-10-14 10:07:28 INFO imstat:::: -- First quartile [q1]: -3.45278e-05 Jy/beam 2025-10-14 10:07:28 INFO imstat:::: -- Third quartile [q3]: 1.10869e-06 Jy/beam 2025-10-14 10:07:28 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:28 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:28 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:28 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:28 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:28 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:28 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 2025-10-14 10:07:28 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:27.871213 End time: 2025-10-14 10:07:27.902268 2025-10-14 10:07:28 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:28 INFO imstat::::casa ########################################## 2025-10-14 10:07:28 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:28 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:28 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 39.968292000deg' ) 2025-10-14 10:07:28 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:28 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:28 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:28 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:28 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:28 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:28 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:28 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:28 INFO MSTransformManager::open Select data 2025-10-14 10:07:28 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:28 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:07:28 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 19h52m05.65239 39.968292000deg' successfully parsed 2025-10-14 10:07:28 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:28 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:28 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:27.915729 End time: 2025-10-14 10:07:28.334636 2025-10-14 10:07:28 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:28 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:28 INFO tclean::::casa ########################################## 2025-10-14 10:07:28 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:28 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 ) 2025-10-14 10:07:28 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:28 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:28 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:28 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:28 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:28 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:28 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:28 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:28 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:28 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:28 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:28 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:29 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:29 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.011614 2025-10-14 10:07:29 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:29 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:29 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:29 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:29 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:29 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:29 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:29 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:07:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:29 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:30 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:30 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:30 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:30 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:30 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:30 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:30 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:28.356085 End time: 2025-10-14 10:07:29.718698 2025-10-14 10:07:30 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:30 INFO tclean::::casa ########################################## 2025-10-14 10:07:30 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:30 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:30 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) 2025-10-14 10:07:30 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:30 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:30 2025****** 2025-10-14 10:07:30 INFO ImageFitter::fit+ 2025-10-14 10:07:30 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:30 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:30 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:30 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:30 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:30 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:30 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:30 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:30 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:30 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:30 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) 2025-10-14 10:07:30 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:30 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:30 INFO imstat::::casa ########################################## 2025-10-14 10:07:30 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:30 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 ) 2025-10-14 10:07:30 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:30 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:30 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:30 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:30 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:30 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) 2025-10-14 10:07:30 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:30 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:30 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:30 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:30 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:07:30 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:07:30 INFO imstat:::: Values --- 2025-10-14 10:07:30 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:30 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:30 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:30 INFO imstat:::: -- minimum value [min]: -7.77826e-05 Jy/beam 2025-10-14 10:07:30 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:30 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:07:30 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:30 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:07:30 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:30 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:30 INFO imstat:::: Statistics --- 2025-10-14 10:07:30 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:30 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:30 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:30 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:30 INFO imstat:::: -- Median of the pixel values [median]: -1.86649e-05 Jy/beam 2025-10-14 10:07:30 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam 2025-10-14 10:07:30 INFO imstat:::: -- IQR [quartile]: 3.56026e-05 Jy/beam 2025-10-14 10:07:30 INFO imstat:::: -- First quartile [q1]: -3.45067e-05 Jy/beam 2025-10-14 10:07:30 INFO imstat:::: -- Third quartile [q3]: 1.09593e-06 Jy/beam 2025-10-14 10:07:30 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:30 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:30 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:30 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:30 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:30 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:30 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 2025-10-14 10:07:30 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:29.785588 End time: 2025-10-14 10:07:29.811071 2025-10-14 10:07:30 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:30 INFO imstat::::casa ########################################## 2025-10-14 10:07:30 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:30 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:30 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 0.697578292rad' ) 2025-10-14 10:07:30 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:30 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:30 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:30 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:30 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:30 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:30 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:30 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:30 INFO MSTransformManager::open Select data 2025-10-14 10:07:30 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:30 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:07:30 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 19h52m05.65239 0.697578292rad' successfully parsed 2025-10-14 10:07:30 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:30 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:30 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:29.827258 End time: 2025-10-14 10:07:30.257971 2025-10-14 10:07:30 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:30 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:30 INFO tclean::::casa ########################################## 2025-10-14 10:07:30 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:30 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:07:30 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:30 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:30 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:30 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:30 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:30 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:30 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:30 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:30 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:30 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:30 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:30 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:31 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:31 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.015149 2025-10-14 10:07:31 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:31 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:31 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:31 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:31 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:31 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:31 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:31 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:07:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:31 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:32 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:32 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:32 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:32 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:32 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:32 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:32 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:30.280096 End time: 2025-10-14 10:07:31.765810 2025-10-14 10:07:32 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:32 INFO tclean::::casa ########################################## 2025-10-14 10:07:32 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:32 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:32 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) 2025-10-14 10:07:32 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:32 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:32 2025****** 2025-10-14 10:07:32 INFO ImageFitter::fit+ 2025-10-14 10:07:32 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:32 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:32 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:32 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:32 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:32 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:32 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:32 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:32 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:32 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:32 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) 2025-10-14 10:07:32 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000008 +/- 0.000777 arcsec 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ --- dec: 127.999992 +/- 0.000097 pixels 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:32 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:32 INFO imstat::::casa ########################################## 2025-10-14 10:07:32 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:32 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 ) 2025-10-14 10:07:32 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:32 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:32 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:32 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:32 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:32 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) 2025-10-14 10:07:32 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:32 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:32 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:32 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:32 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:07:32 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:07:32 INFO imstat:::: Values --- 2025-10-14 10:07:32 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:32 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:32 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:32 INFO imstat:::: -- minimum value [min]: -7.7789e-05 Jy/beam 2025-10-14 10:07:32 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:32 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:07:32 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:32 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:07:32 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:32 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:32 INFO imstat:::: Statistics --- 2025-10-14 10:07:32 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:32 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:32 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:32 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:32 INFO imstat:::: -- Median of the pixel values [median]: -1.86647e-05 Jy/beam 2025-10-14 10:07:32 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73649e-05 Jy/beam 2025-10-14 10:07:32 INFO imstat:::: -- IQR [quartile]: 3.56182e-05 Jy/beam 2025-10-14 10:07:32 INFO imstat:::: -- First quartile [q1]: -3.45079e-05 Jy/beam 2025-10-14 10:07:32 INFO imstat:::: -- Third quartile [q3]: 1.11022e-06 Jy/beam 2025-10-14 10:07:32 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:32 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:32 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:32 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:32 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:32 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:32 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778897e-05 4.999996e+00 2025-10-14 10:07:32 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:31.819186 End time: 2025-10-14 10:07:31.840021 2025-10-14 10:07:32 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:32 INFO imstat::::casa ########################################## 2025-10-14 10:07:32 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:32 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:32 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 39d58m05.8512' ) 2025-10-14 10:07:32 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:32 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:32 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:32 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:32 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:32 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:32 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:32 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:32 INFO MSTransformManager::open Select data 2025-10-14 10:07:32 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:32 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:07:32 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 19:52:05.6524 39d58m05.8512' successfully parsed 2025-10-14 10:07:32 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:32 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:32 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:31.853802 End time: 2025-10-14 10:07:32.304343 2025-10-14 10:07:32 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:32 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:32 INFO tclean::::casa ########################################## 2025-10-14 10:07:32 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:32 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:07:32 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:32 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:32 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:32 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:32 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:32 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:32 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:32 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:32 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:32 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:32 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:32 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:33 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:33 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.019962 2025-10-14 10:07:33 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:33 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:33 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:33 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:33 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:33 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:33 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:33 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:33 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:33 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:33 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:33 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:07:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:33 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:34 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:34 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:34 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:34 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:34 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:34 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:32.340511 End time: 2025-10-14 10:07:33.776492 2025-10-14 10:07:34 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:34 INFO tclean::::casa ########################################## 2025-10-14 10:07:34 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:34 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:34 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) 2025-10-14 10:07:34 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:34 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:34 2025****** 2025-10-14 10:07:34 INFO ImageFitter::fit+ 2025-10-14 10:07:34 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:34 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:34 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:34 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:34 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:34 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:34 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:34 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:34 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:34 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:34 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) 2025-10-14 10:07:34 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ --- ra: 128.000009 +/- 0.000127 pixels 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:34 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:34 INFO imstat::::casa ########################################## 2025-10-14 10:07:34 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:34 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 ) 2025-10-14 10:07:34 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:34 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:34 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:34 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:34 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:34 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) 2025-10-14 10:07:34 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:34 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:34 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:34 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:34 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:07:34 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:07:34 INFO imstat:::: Values --- 2025-10-14 10:07:34 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:34 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:34 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:34 INFO imstat:::: -- minimum value [min]: -7.77773e-05 Jy/beam 2025-10-14 10:07:34 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:34 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-10-14 10:07:34 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:34 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-10-14 10:07:34 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:34 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:34 INFO imstat:::: Statistics --- 2025-10-14 10:07:34 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:34 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:34 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:34 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:34 INFO imstat:::: -- Median of the pixel values [median]: -1.86786e-05 Jy/beam 2025-10-14 10:07:34 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73603e-05 Jy/beam 2025-10-14 10:07:34 INFO imstat:::: -- IQR [quartile]: 3.56014e-05 Jy/beam 2025-10-14 10:07:34 INFO imstat:::: -- First quartile [q1]: -3.45038e-05 Jy/beam 2025-10-14 10:07:34 INFO imstat:::: -- Third quartile [q3]: 1.09758e-06 Jy/beam 2025-10-14 10:07:34 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:34 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:34 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:34 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:34 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:34 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:34 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 2025-10-14 10:07:34 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:33.831936 End time: 2025-10-14 10:07:33.854238 2025-10-14 10:07:34 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:34 INFO imstat::::casa ########################################## 2025-10-14 10:07:34 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:34 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:34 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' ) 2025-10-14 10:07:34 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:34 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:34 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:34 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:34 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:34 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:34 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:34 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:34 INFO MSTransformManager::open Select data 2025-10-14 10:07:34 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:34 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:39:52.3901" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-10-14 10:07:34 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 19:52:05.6524 02:39:52.3901' successfully parsed 2025-10-14 10:07:34 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:34 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:34 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:33.868521 End time: 2025-10-14 10:07:34.287430 2025-10-14 10:07:34 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:34 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:34 INFO tclean::::casa ########################################## 2025-10-14 10:07:34 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:34 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:07:34 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:34 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:34 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:34 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:34 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:34 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:34 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:34 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:34 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:34 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:34 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:34 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:35 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:35 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.026471 2025-10-14 10:07:35 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:35 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:35 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:35 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:35 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:35 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:35 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:35 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:35 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:07:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:36 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:36 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:36 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:36 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:36 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:36 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:34.314345 End time: 2025-10-14 10:07:35.702768 2025-10-14 10:07:36 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:36 INFO tclean::::casa ########################################## 2025-10-14 10:07:36 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:36 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:36 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) 2025-10-14 10:07:36 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:36 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:36 2025****** 2025-10-14 10:07:36 INFO ImageFitter::fit+ 2025-10-14 10:07:36 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:36 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:36 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:36 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:36 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:36 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:36 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:36 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:36 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:36 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:36 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) 2025-10-14 10:07:36 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116878 Jy 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126494 Jy 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000034 +/- 0.000777 arcsec 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ --- ra: 128.000008 +/- 0.000127 pixels 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ --- dec: 127.999963 +/- 0.000097 pixels 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:36 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:36 INFO imstat::::casa ########################################## 2025-10-14 10:07:36 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:36 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 ) 2025-10-14 10:07:36 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:36 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:36 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:36 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:36 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:36 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) 2025-10-14 10:07:36 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:36 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:36 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:36 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:36 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2025-10-14 10:07:36 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2025-10-14 10:07:36 INFO imstat:::: Values --- 2025-10-14 10:07:36 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:36 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:36 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:36 INFO imstat:::: -- minimum value [min]: -7.78143e-05 Jy/beam 2025-10-14 10:07:36 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:36 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:07:36 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:36 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:07:36 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:36 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:36 INFO imstat:::: Statistics --- 2025-10-14 10:07:36 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:36 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:36 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:36 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:36 INFO imstat:::: -- Median of the pixel values [median]: -1.86838e-05 Jy/beam 2025-10-14 10:07:36 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73769e-05 Jy/beam 2025-10-14 10:07:36 INFO imstat:::: -- IQR [quartile]: 3.5634e-05 Jy/beam 2025-10-14 10:07:36 INFO imstat:::: -- First quartile [q1]: -3.45216e-05 Jy/beam 2025-10-14 10:07:36 INFO imstat:::: -- Third quartile [q3]: 1.1124e-06 Jy/beam 2025-10-14 10:07:36 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:36 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:36 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:36 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:36 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:36 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:36 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 2025-10-14 10:07:36 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:35.766658 End time: 2025-10-14 10:07:35.791451 2025-10-14 10:07:36 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:36 INFO imstat::::casa ########################################## 2025-10-14 10:07:36 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:36 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:36 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 39.968292000deg' ) 2025-10-14 10:07:36 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:36 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:36 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:36 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:36 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:36 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:36 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:36 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:36 INFO MSTransformManager::open Select data 2025-10-14 10:07:36 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:36 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:07:36 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 19:52:05.6524 39.968292000deg' successfully parsed 2025-10-14 10:07:36 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:36 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:36 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:35.806852 End time: 2025-10-14 10:07:36.268073 2025-10-14 10:07:36 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:36 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:36 INFO tclean::::casa ########################################## 2025-10-14 10:07:36 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:36 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 ) 2025-10-14 10:07:36 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:36 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:36 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:36 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:36 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:36 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:36 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:36 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:36 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:36 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:36 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:36 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:37 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:37 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.020529 2025-10-14 10:07:37 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:37 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:37 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:37 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:37 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:37 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:37 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:37 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:37 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:37 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:37 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:37 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:37 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:37 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:38 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:07:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:38 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:38 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:38 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:38 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:38 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:38 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:38 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:36.289598 End time: 2025-10-14 10:07:37.995548 2025-10-14 10:07:38 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:38 INFO tclean::::casa ########################################## 2025-10-14 10:07:38 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:38 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:38 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) 2025-10-14 10:07:38 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:38 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:38 2025****** 2025-10-14 10:07:38 INFO ImageFitter::fit+ 2025-10-14 10:07:38 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:38 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:38 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:38 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:38 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:38 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:38 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:38 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:38 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:38 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:38 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) 2025-10-14 10:07:38 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ --- ra: 128.000009 +/- 0.000127 pixels 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:38 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:38 INFO imstat::::casa ########################################## 2025-10-14 10:07:38 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:38 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 ) 2025-10-14 10:07:38 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:38 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:38 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:38 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:38 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:38 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:07:38 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:38 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:38 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:38 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:38 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:07:38 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:07:38 INFO imstat:::: Values --- 2025-10-14 10:07:38 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:38 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:38 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:38 INFO imstat:::: -- minimum value [min]: -7.77773e-05 Jy/beam 2025-10-14 10:07:38 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:38 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-10-14 10:07:38 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:38 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-10-14 10:07:38 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:38 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:38 INFO imstat:::: Statistics --- 2025-10-14 10:07:38 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:38 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:38 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:38 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:38 INFO imstat:::: -- Median of the pixel values [median]: -1.86786e-05 Jy/beam 2025-10-14 10:07:38 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73603e-05 Jy/beam 2025-10-14 10:07:38 INFO imstat:::: -- IQR [quartile]: 3.56014e-05 Jy/beam 2025-10-14 10:07:38 INFO imstat:::: -- First quartile [q1]: -3.45038e-05 Jy/beam 2025-10-14 10:07:38 INFO imstat:::: -- Third quartile [q3]: 1.09758e-06 Jy/beam 2025-10-14 10:07:38 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:38 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:38 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:38 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:38 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:38 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:38 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 2025-10-14 10:07:38 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:38.055495 End time: 2025-10-14 10:07:38.099329 2025-10-14 10:07:38 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:38 INFO imstat::::casa ########################################## 2025-10-14 10:07:38 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:38 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:38 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 0.697578292rad' ) 2025-10-14 10:07:38 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:38 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:38 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:38 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:38 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:38 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:38 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:38 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:38 INFO MSTransformManager::open Select data 2025-10-14 10:07:38 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:38 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:07:38 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 19:52:05.6524 0.697578292rad' successfully parsed 2025-10-14 10:07:38 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:39 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:39 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:38.122919 End time: 2025-10-14 10:07:38.561650 2025-10-14 10:07:39 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:39 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:39 INFO tclean::::casa ########################################## 2025-10-14 10:07:39 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:39 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:07:39 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:39 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:39 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:39 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:39 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:39 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:39 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:39 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:39 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:39 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:39 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:39 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:39 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:39 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010759 2025-10-14 10:07:39 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:39 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:39 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:39 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:39 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:39 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:39 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:39 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:39 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:39 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:39 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:39 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:39 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:39 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:39 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:39 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:39 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:40 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:07:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:40 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:40 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:40 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:40 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:40 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:40 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:40 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:38.582495 End time: 2025-10-14 10:07:39.866046 2025-10-14 10:07:40 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:40 INFO tclean::::casa ########################################## 2025-10-14 10:07:40 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:40 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:40 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) 2025-10-14 10:07:40 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:40 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:40 2025****** 2025-10-14 10:07:40 INFO ImageFitter::fit+ 2025-10-14 10:07:40 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:40 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:40 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:40 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:40 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:40 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:40 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:40 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:40 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:40 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:40 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) 2025-10-14 10:07:40 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126487 Jy 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000008 +/- 0.000777 arcsec 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ --- ra: 128.000009 +/- 0.000127 pixels 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ --- dec: 127.999992 +/- 0.000097 pixels 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:40 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:40 INFO imstat::::casa ########################################## 2025-10-14 10:07:40 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:40 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 ) 2025-10-14 10:07:40 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:40 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:40 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:40 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:40 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:40 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) 2025-10-14 10:07:40 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:40 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:40 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:40 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:40 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:07:40 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:07:40 INFO imstat:::: Values --- 2025-10-14 10:07:40 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:40 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:40 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:40 INFO imstat:::: -- minimum value [min]: -7.7781e-05 Jy/beam 2025-10-14 10:07:40 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:40 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:07:40 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:40 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:07:40 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:40 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:40 INFO imstat:::: Statistics --- 2025-10-14 10:07:40 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:40 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:40 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:40 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:40 INFO imstat:::: -- Median of the pixel values [median]: -1.86714e-05 Jy/beam 2025-10-14 10:07:40 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73593e-05 Jy/beam 2025-10-14 10:07:40 INFO imstat:::: -- IQR [quartile]: 3.56161e-05 Jy/beam 2025-10-14 10:07:40 INFO imstat:::: -- First quartile [q1]: -3.45125e-05 Jy/beam 2025-10-14 10:07:40 INFO imstat:::: -- Third quartile [q3]: 1.10364e-06 Jy/beam 2025-10-14 10:07:40 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:40 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:40 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:40 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:40 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:40 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:40 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 2025-10-14 10:07:40 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:39.909405 End time: 2025-10-14 10:07:39.929864 2025-10-14 10:07:40 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:40 INFO imstat::::casa ########################################## 2025-10-14 10:07:40 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:40 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:40 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 39d58m05.8512' ) 2025-10-14 10:07:40 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:40 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:40 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:40 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:40 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:40 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:40 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:40 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:40 INFO MSTransformManager::open Select data 2025-10-14 10:07:40 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:40 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:07:40 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 298.023551625deg 39d58m05.8512' successfully parsed 2025-10-14 10:07:40 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:40 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:40 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:39.943142 End time: 2025-10-14 10:07:40.307374 2025-10-14 10:07:40 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:40 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:40 INFO tclean::::casa ########################################## 2025-10-14 10:07:40 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:40 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 ) 2025-10-14 10:07:40 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:40 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:40 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:40 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:40 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:40 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:40 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:40 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:40 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:40 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:40 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:40 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:41 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:41 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.011252 2025-10-14 10:07:41 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:41 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:41 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:41 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:41 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:41 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:41 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:41 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:41 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:41 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:41 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:41 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:41 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:41 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:41 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:41 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:07:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:41 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:42 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:42 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:42 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:42 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:42 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:42 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:40.337245 End time: 2025-10-14 10:07:41.757726 2025-10-14 10:07:42 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:42 INFO tclean::::casa ########################################## 2025-10-14 10:07:42 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:42 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:42 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) 2025-10-14 10:07:42 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:42 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:42 2025****** 2025-10-14 10:07:42 INFO ImageFitter::fit+ 2025-10-14 10:07:42 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:42 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:42 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:42 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:42 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:42 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:42 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:42 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:42 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:42 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:42 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) 2025-10-14 10:07:42 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:42 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:42 INFO imstat::::casa ########################################## 2025-10-14 10:07:42 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:42 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 ) 2025-10-14 10:07:42 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:42 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:42 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:42 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:42 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:42 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:07:42 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:42 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:42 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:42 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:42 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:07:42 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:07:42 INFO imstat:::: Values --- 2025-10-14 10:07:42 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:42 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:42 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:42 INFO imstat:::: -- minimum value [min]: -7.77826e-05 Jy/beam 2025-10-14 10:07:42 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:42 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:07:42 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:42 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:07:42 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:42 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:42 INFO imstat:::: Statistics --- 2025-10-14 10:07:42 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:42 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:42 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:42 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:42 INFO imstat:::: -- Median of the pixel values [median]: -1.86649e-05 Jy/beam 2025-10-14 10:07:42 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam 2025-10-14 10:07:42 INFO imstat:::: -- IQR [quartile]: 3.56026e-05 Jy/beam 2025-10-14 10:07:42 INFO imstat:::: -- First quartile [q1]: -3.45067e-05 Jy/beam 2025-10-14 10:07:42 INFO imstat:::: -- Third quartile [q3]: 1.09593e-06 Jy/beam 2025-10-14 10:07:42 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:42 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:42 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:42 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:42 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:42 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:42 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 2025-10-14 10:07:42 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:41.803364 End time: 2025-10-14 10:07:41.824430 2025-10-14 10:07:42 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:42 INFO imstat::::casa ########################################## 2025-10-14 10:07:42 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:42 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:42 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 02:39:52.3901' ) 2025-10-14 10:07:42 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:42 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:42 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:42 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:42 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:42 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:42 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:42 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:42 INFO MSTransformManager::open Select data 2025-10-14 10:07:42 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:42 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:39:52.3901" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-10-14 10:07:42 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 298.023551625deg 02:39:52.3901' successfully parsed 2025-10-14 10:07:42 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:42 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:42 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:41.837464 End time: 2025-10-14 10:07:42.271811 2025-10-14 10:07:42 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:42 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:42 INFO tclean::::casa ########################################## 2025-10-14 10:07:42 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:42 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 ) 2025-10-14 10:07:42 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:42 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:42 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:42 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:42 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:42 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:42 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:42 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:42 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:42 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:42 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:42 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:43 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:43 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.011215 2025-10-14 10:07:43 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:43 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:43 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:43 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:43 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:43 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:43 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:43 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:43 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:43 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:43 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:07:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:44 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:44 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:44 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:44 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:44 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:44 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:44 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:42.307997 End time: 2025-10-14 10:07:43.795994 2025-10-14 10:07:44 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:44 INFO tclean::::casa ########################################## 2025-10-14 10:07:44 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:44 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:44 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) 2025-10-14 10:07:44 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:44 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:44 2025****** 2025-10-14 10:07:44 INFO ImageFitter::fit+ 2025-10-14 10:07:44 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:44 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:44 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:44 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:44 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:44 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:44 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:44 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:44 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:44 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:44 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) 2025-10-14 10:07:44 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.00011688 Jy 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126496 Jy 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000034 +/- 0.000777 arcsec 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ --- dec: 127.999963 +/- 0.000097 pixels 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:44 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:44 INFO imstat::::casa ########################################## 2025-10-14 10:07:44 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:44 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 ) 2025-10-14 10:07:44 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:44 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:44 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:44 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:44 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:44 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) 2025-10-14 10:07:44 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:44 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:44 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:44 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:44 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2025-10-14 10:07:44 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2025-10-14 10:07:44 INFO imstat:::: Values --- 2025-10-14 10:07:44 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:44 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:44 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:44 INFO imstat:::: -- minimum value [min]: -7.78225e-05 Jy/beam 2025-10-14 10:07:44 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:44 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:07:44 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:44 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:07:44 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:44 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:44 INFO imstat:::: Statistics --- 2025-10-14 10:07:44 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:44 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:44 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:44 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:44 INFO imstat:::: -- Median of the pixel values [median]: -1.86781e-05 Jy/beam 2025-10-14 10:07:44 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73751e-05 Jy/beam 2025-10-14 10:07:44 INFO imstat:::: -- IQR [quartile]: 3.56365e-05 Jy/beam 2025-10-14 10:07:44 INFO imstat:::: -- First quartile [q1]: -3.45278e-05 Jy/beam 2025-10-14 10:07:44 INFO imstat:::: -- Third quartile [q3]: 1.10869e-06 Jy/beam 2025-10-14 10:07:44 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:44 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:44 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:44 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:44 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:44 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:44 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 2025-10-14 10:07:44 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:43.839607 End time: 2025-10-14 10:07:43.860073 2025-10-14 10:07:44 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:44 INFO imstat::::casa ########################################## 2025-10-14 10:07:44 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:44 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:44 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 39.968292000deg' ) 2025-10-14 10:07:44 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:44 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:44 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:44 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:44 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:44 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:44 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:44 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:44 INFO MSTransformManager::open Select data 2025-10-14 10:07:44 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:44 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:07:44 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 298.023551625deg 39.968292000deg' successfully parsed 2025-10-14 10:07:44 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:44 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:44 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:43.873290 End time: 2025-10-14 10:07:44.233959 2025-10-14 10:07:44 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:44 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:44 INFO tclean::::casa ########################################## 2025-10-14 10:07:44 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:44 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:07:44 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:44 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:44 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:44 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:44 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:44 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:44 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:44 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:44 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:44 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:44 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:44 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:44 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:44 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.01115 2025-10-14 10:07:44 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:45 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:45 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:45 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:45 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:07:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:45 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:45 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:45 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:45 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:45 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:46 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:44.256083 End time: 2025-10-14 10:07:45.601034 2025-10-14 10:07:46 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:46 INFO tclean::::casa ########################################## 2025-10-14 10:07:46 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:46 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:46 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-10-14 10:07:46 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:46 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:46 2025****** 2025-10-14 10:07:46 INFO ImageFitter::fit+ 2025-10-14 10:07:46 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:46 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:46 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:46 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:46 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:46 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:46 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:46 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:46 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:46 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:46 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:07:46 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:46 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:46 INFO imstat::::casa ########################################## 2025-10-14 10:07:46 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:46 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:07:46 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:46 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:46 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:46 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:46 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:46 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:07:46 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:46 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:46 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:46 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:46 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:07:46 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:07:46 INFO imstat:::: Values --- 2025-10-14 10:07:46 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:46 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:46 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:46 INFO imstat:::: -- minimum value [min]: -7.77826e-05 Jy/beam 2025-10-14 10:07:46 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:46 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:07:46 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:46 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:07:46 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:46 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:46 INFO imstat:::: Statistics --- 2025-10-14 10:07:46 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:46 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:46 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:46 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:46 INFO imstat:::: -- Median of the pixel values [median]: -1.86649e-05 Jy/beam 2025-10-14 10:07:46 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam 2025-10-14 10:07:46 INFO imstat:::: -- IQR [quartile]: 3.56026e-05 Jy/beam 2025-10-14 10:07:46 INFO imstat:::: -- First quartile [q1]: -3.45067e-05 Jy/beam 2025-10-14 10:07:46 INFO imstat:::: -- Third quartile [q3]: 1.09593e-06 Jy/beam 2025-10-14 10:07:46 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:46 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:46 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:46 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:46 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:46 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:46 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 2025-10-14 10:07:46 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:45.673229 End time: 2025-10-14 10:07:45.700179 2025-10-14 10:07:46 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:46 INFO imstat::::casa ########################################## 2025-10-14 10:07:46 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:46 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:46 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 0.697578292rad' ) 2025-10-14 10:07:46 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:46 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:46 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:46 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:46 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:46 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:46 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:46 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:46 INFO MSTransformManager::open Select data 2025-10-14 10:07:46 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:46 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:07:46 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 298.023551625deg 0.697578292rad' successfully parsed 2025-10-14 10:07:46 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:46 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:46 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:45.717260 End time: 2025-10-14 10:07:46.174275 2025-10-14 10:07:46 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:46 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:46 INFO tclean::::casa ########################################## 2025-10-14 10:07:46 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:46 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:07:46 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:46 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:46 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:46 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:46 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:46 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:46 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:46 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:46 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:46 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:46 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:46 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:46 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:46 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010896 2025-10-14 10:07:46 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:46 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:47 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:47 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:47 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:07:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:47 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:47 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:47 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:47 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:47 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:47 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:46.196804 End time: 2025-10-14 10:07:47.453758 2025-10-14 10:07:47 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:47 INFO tclean::::casa ########################################## 2025-10-14 10:07:47 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:47 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:47 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) 2025-10-14 10:07:47 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:47 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:47 2025****** 2025-10-14 10:07:47 INFO ImageFitter::fit+ 2025-10-14 10:07:47 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:47 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:47 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:47 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:47 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:47 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:47 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:47 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:47 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:47 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:47 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) 2025-10-14 10:07:47 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000008 +/- 0.000777 arcsec 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ --- dec: 127.999992 +/- 0.000097 pixels 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:47 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:47 INFO imstat::::casa ########################################## 2025-10-14 10:07:47 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:47 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 ) 2025-10-14 10:07:48 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:48 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:48 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:48 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:48 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:48 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:07:48 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:48 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:48 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:48 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:48 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:07:48 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:07:48 INFO imstat:::: Values --- 2025-10-14 10:07:48 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:48 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:48 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:48 INFO imstat:::: -- minimum value [min]: -7.7789e-05 Jy/beam 2025-10-14 10:07:48 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:48 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:07:48 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:48 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:07:48 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:48 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:48 INFO imstat:::: Statistics --- 2025-10-14 10:07:48 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:48 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:48 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:48 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:48 INFO imstat:::: -- Median of the pixel values [median]: -1.86647e-05 Jy/beam 2025-10-14 10:07:48 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73649e-05 Jy/beam 2025-10-14 10:07:48 INFO imstat:::: -- IQR [quartile]: 3.56182e-05 Jy/beam 2025-10-14 10:07:48 INFO imstat:::: -- First quartile [q1]: -3.45079e-05 Jy/beam 2025-10-14 10:07:48 INFO imstat:::: -- Third quartile [q3]: 1.11022e-06 Jy/beam 2025-10-14 10:07:48 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:48 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:48 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:48 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:48 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:48 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:48 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 2025-10-14 10:07:48 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:47.499419 End time: 2025-10-14 10:07:47.521329 2025-10-14 10:07:48 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:48 INFO imstat::::casa ########################################## 2025-10-14 10:07:48 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:48 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:48 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 39d58m05.8512' ) 2025-10-14 10:07:48 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:48 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:48 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:48 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:48 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:48 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:48 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:48 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:48 INFO MSTransformManager::open Select data 2025-10-14 10:07:48 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:48 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:07:48 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 5.201492224rad 39d58m05.8512' successfully parsed 2025-10-14 10:07:48 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:48 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:48 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:47.534872 End time: 2025-10-14 10:07:48.011478 2025-10-14 10:07:48 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:48 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:48 INFO tclean::::casa ########################################## 2025-10-14 10:07:48 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:48 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 ) 2025-10-14 10:07:48 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:48 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:48 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:48 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:48 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:48 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:48 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:48 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:48 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:48 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:48 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:48 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:48 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:48 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.011956 2025-10-14 10:07:48 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:48 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:48 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:48 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:48 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:48 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:49 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:49 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:49 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:49 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:49 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:49 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:49 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:49 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:07:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:49 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:49 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:49 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:49 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:49 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:49 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:49 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:48.033133 End time: 2025-10-14 10:07:49.305213 2025-10-14 10:07:49 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:49 INFO tclean::::casa ########################################## 2025-10-14 10:07:49 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:49 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:49 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-10-14 10:07:49 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:49 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:49 2025****** 2025-10-14 10:07:49 INFO ImageFitter::fit+ 2025-10-14 10:07:49 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:49 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:49 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:49 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:49 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:49 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:49 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:49 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:49 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:49 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:49 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:07:49 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116879 Jy 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126495 Jy 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ --- ra: 127.999990 +/- 0.000127 pixels 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:49 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:49 INFO imstat::::casa ########################################## 2025-10-14 10:07:49 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:49 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:07:49 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:49 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:49 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:49 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:49 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:49 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-10-14 10:07:49 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:49 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:49 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:49 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:49 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:07:49 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:07:49 INFO imstat:::: Values --- 2025-10-14 10:07:49 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:49 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:49 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:49 INFO imstat:::: -- minimum value [min]: -7.77853e-05 Jy/beam 2025-10-14 10:07:49 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:49 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:07:49 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:49 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:07:49 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:49 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:49 INFO imstat:::: Statistics --- 2025-10-14 10:07:49 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:49 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:49 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:49 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:49 INFO imstat:::: -- Median of the pixel values [median]: -1.86679e-05 Jy/beam 2025-10-14 10:07:49 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73586e-05 Jy/beam 2025-10-14 10:07:49 INFO imstat:::: -- IQR [quartile]: 3.56112e-05 Jy/beam 2025-10-14 10:07:49 INFO imstat:::: -- First quartile [q1]: -3.45109e-05 Jy/beam 2025-10-14 10:07:49 INFO imstat:::: -- Third quartile [q3]: 1.10039e-06 Jy/beam 2025-10-14 10:07:49 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:49 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:49 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:49 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:49 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:49 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:49 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 2025-10-14 10:07:49 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:49.353065 End time: 2025-10-14 10:07:49.392174 2025-10-14 10:07:49 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:49 INFO imstat::::casa ########################################## 2025-10-14 10:07:49 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:49 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:49 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 02:39:52.3901' ) 2025-10-14 10:07:49 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:49 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:49 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:49 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:49 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:49 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:49 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:49 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:49 INFO MSTransformManager::open Select data 2025-10-14 10:07:49 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:50 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:39:52.3901" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-10-14 10:07:50 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 5.201492224rad 02:39:52.3901' successfully parsed 2025-10-14 10:07:50 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:50 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:50 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:49.413236 End time: 2025-10-14 10:07:49.849566 2025-10-14 10:07:50 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:50 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:50 INFO tclean::::casa ########################################## 2025-10-14 10:07:50 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:50 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:07:50 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:50 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:50 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:50 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:50 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:50 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:50 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:50 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:50 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:50 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:50 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:50 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:50 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:50 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.020592 2025-10-14 10:07:50 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:50 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:50 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:50 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:50 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:50 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:51 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:51 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:51 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-10-14 10:07:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:51 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:51 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:51 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:51 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:51 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:51 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:51 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:49.872019 End time: 2025-10-14 10:07:51.339312 2025-10-14 10:07:51 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:51 INFO tclean::::casa ########################################## 2025-10-14 10:07:51 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:51 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:51 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-10-14 10:07:51 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:51 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:51 2025****** 2025-10-14 10:07:51 INFO ImageFitter::fit+ 2025-10-14 10:07:51 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:51 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:51 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:51 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:51 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:51 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:51 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:51 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:51 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:51 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:51 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:07:51 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116885 Jy 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126501 Jy 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000034 +/- 0.000777 arcsec 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ --- ra: 127.999990 +/- 0.000127 pixels 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ --- dec: 127.999963 +/- 0.000097 pixels 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:51 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:51 INFO imstat::::casa ########################################## 2025-10-14 10:07:51 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:51 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-10-14 10:07:51 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:51 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:51 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:51 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:51 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:51 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) 2025-10-14 10:07:51 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:51 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:51 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:51 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:51 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2025-10-14 10:07:51 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2025-10-14 10:07:51 INFO imstat:::: Values --- 2025-10-14 10:07:51 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:51 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:51 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:51 INFO imstat:::: -- minimum value [min]: -7.78268e-05 Jy/beam 2025-10-14 10:07:51 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:51 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:07:51 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:51 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:07:51 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:51 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:51 INFO imstat:::: Statistics --- 2025-10-14 10:07:51 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:51 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:51 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:51 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:51 INFO imstat:::: -- Median of the pixel values [median]: -1.8675e-05 Jy/beam 2025-10-14 10:07:51 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73782e-05 Jy/beam 2025-10-14 10:07:51 INFO imstat:::: -- IQR [quartile]: 3.56598e-05 Jy/beam 2025-10-14 10:07:51 INFO imstat:::: -- First quartile [q1]: -3.45364e-05 Jy/beam 2025-10-14 10:07:51 INFO imstat:::: -- Third quartile [q3]: 1.12335e-06 Jy/beam 2025-10-14 10:07:51 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:51 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:51 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:51 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:51 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:51 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:51 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 2025-10-14 10:07:51 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:51.386291 End time: 2025-10-14 10:07:51.407512 2025-10-14 10:07:51 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:51 INFO imstat::::casa ########################################## 2025-10-14 10:07:51 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:51 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:51 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 39.968292000deg' ) 2025-10-14 10:07:51 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:51 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:51 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:51 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:51 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:51 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:51 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:51 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:51 INFO MSTransformManager::open Select data 2025-10-14 10:07:51 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:52 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:07:52 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 5.201492224rad 39.968292000deg' successfully parsed 2025-10-14 10:07:52 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:52 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:52 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:51.421417 End time: 2025-10-14 10:07:51.779030 2025-10-14 10:07:52 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:52 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:52 INFO tclean::::casa ########################################## 2025-10-14 10:07:52 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:52 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 ) 2025-10-14 10:07:52 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:52 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:52 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:52 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:52 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:52 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:52 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:52 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:52 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:52 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:52 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:52 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:52 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:52 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.011244 2025-10-14 10:07:52 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:52 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:52 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:52 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:52 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:52 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:52 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:52 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:52 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:07:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:53 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:53 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:53 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:53 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:53 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:53 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:51.799769 End time: 2025-10-14 10:07:53.033898 2025-10-14 10:07:53 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:53 INFO tclean::::casa ########################################## 2025-10-14 10:07:53 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:53 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:53 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) 2025-10-14 10:07:53 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:53 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:53 2025****** 2025-10-14 10:07:53 INFO ImageFitter::fit+ 2025-10-14 10:07:53 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:53 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:53 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:53 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:53 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:53 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:53 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:53 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:53 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:53 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:53 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) 2025-10-14 10:07:53 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116879 Jy 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126495 Jy 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ --- ra: 127.999990 +/- 0.000127 pixels 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:53 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:53 INFO imstat::::casa ########################################## 2025-10-14 10:07:53 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:53 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 ) 2025-10-14 10:07:53 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:53 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:53 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:53 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:53 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:53 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) 2025-10-14 10:07:53 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:53 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:53 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:53 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:53 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:07:53 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:07:53 INFO imstat:::: Values --- 2025-10-14 10:07:53 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:53 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:53 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:53 INFO imstat:::: -- minimum value [min]: -7.77853e-05 Jy/beam 2025-10-14 10:07:53 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:53 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:07:53 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:53 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:07:53 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:53 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:53 INFO imstat:::: Statistics --- 2025-10-14 10:07:53 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:53 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:53 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:53 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:53 INFO imstat:::: -- Median of the pixel values [median]: -1.86679e-05 Jy/beam 2025-10-14 10:07:53 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73586e-05 Jy/beam 2025-10-14 10:07:53 INFO imstat:::: -- IQR [quartile]: 3.56112e-05 Jy/beam 2025-10-14 10:07:53 INFO imstat:::: -- First quartile [q1]: -3.45109e-05 Jy/beam 2025-10-14 10:07:53 INFO imstat:::: -- Third quartile [q3]: 1.10039e-06 Jy/beam 2025-10-14 10:07:53 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:53 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:53 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:53 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:53 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:53 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:53 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 2025-10-14 10:07:53 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:53.097084 End time: 2025-10-14 10:07:53.122861 2025-10-14 10:07:53 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:53 INFO imstat::::casa ########################################## 2025-10-14 10:07:53 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:53 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-10-14 10:07:53 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 0.697578292rad' ) 2025-10-14 10:07:53 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-10-14 10:07:53 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-10-14 10:07:53 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-10-14 10:07:53 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-10-14 10:07:53 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-10-14 10:07:53 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-10-14 10:07:53 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-10-14 10:07:53 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-10-14 10:07:53 INFO MSTransformManager::open Select data 2025-10-14 10:07:53 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-10-14 10:07:53 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-10-14 10:07:53 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 5.201492224rad 0.697578292rad' successfully parsed 2025-10-14 10:07:53 INFO phaseshift::::casa Shift phase center 2025-10-14 10:07:53 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-10-14 10:07:53 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-10-14 10:07:53.138019 End time: 2025-10-14 10:07:53.492708 2025-10-14 10:07:53 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-10-14 10:07:53 INFO phaseshift::::casa ########################################## 2025-10-14 10:07:54 INFO tclean::::casa ########################################## 2025-10-14 10:07:54 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-10-14 10:07:54 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-10-14 10:07:54 INFO tclean::::casa Verifying Input Parameters 2025-10-14 10:07:54 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-10-14 10:07:54 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-10-14 10:07:54 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:54 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-10-14 10:07:54 INFO SynthesisImagerVi2::defineImage Impars: start 2025-10-14 10:07:54 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-10-14 10:07:54 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-10-14 10:07:54 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.87 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-10-14 10:07:54 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-10-14 10:07:54 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-10-14 10:07:54 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-10-14 10:07:54 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-10-14 10:07:54 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.019602 2025-10-14 10:07:54 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:54 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-10-14 10:07:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-10-14 10:07:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-10-14 10:07:54 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-10-14 10:07:54 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-10-14 10:07:54 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-10-14 10:07:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-10-14 10:07:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-10-14 10:07:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-10-14 10:07:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-10-14 10:07:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-10-14 10:07:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-10-14 10:07:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-10-14 10:07:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-10-14 10:07:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-10-14 10:07:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-10-14 10:07:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-10-14 10:07:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-10-14 10:07:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-10-14 10:07:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-10-14 10:07:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-10-14 10:07:55 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-10-14 10:07:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-10-14 10:07:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-10-14 10:07:55 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-10-14 10:07:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-10-14 10:07:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-10-14 10:07:55 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-10-14 10:07:55 INFO tclean::::casa getSummary call: fullsummary=False 2025-10-14 10:07:55 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-10-14 10:07:55 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-10-14 10:07:55 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-10-14 10:07:55 INFO tclean::::casa Task tclean complete. Start time: 2025-10-14 10:07:53.513920 End time: 2025-10-14 10:07:54.904327 2025-10-14 10:07:55 INFO tclean::::casa ##### End Task: tclean ##### 2025-10-14 10:07:55 INFO tclean::::casa ########################################## 2025-10-14 10:07:55 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-10-14 10:07:55 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:55 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) 2025-10-14 10:07:55 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-10-14 10:07:55 INFO ImageFitter::fit ****** Fit performed at Tue Oct 14 10:07:55 2025****** 2025-10-14 10:07:55 INFO ImageFitter::fit+ 2025-10-14 10:07:55 INFO ImageFitter::fit+ Input parameters --- 2025-10-14 10:07:55 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-10-14 10:07:55 INFO ImageFitter::fit+ --- region: 2025-10-14 10:07:55 INFO ImageFitter::fit+ --- channel: 0 2025-10-14 10:07:55 INFO ImageFitter::fit+ --- stokes: I 2025-10-14 10:07:55 INFO ImageFitter::fit+ --- mask: 2025-10-14 10:07:55 INFO ImageFitter::fit+ --- include pixel range: [] 2025-10-14 10:07:55 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-10-14 10:07:55 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-10-14 10:07:55 INFO ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:55 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-10-14 10:07:55 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ Position --- 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000008 +/- 0.000777 arcsec 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ --- ra: 127.999990 +/- 0.000127 pixels 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ --- dec: 127.999992 +/- 0.000097 pixels 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ Flux --- 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-10-14 10:07:55 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-10-14 10:07:55 INFO imstat::::casa ########################################## 2025-10-14 10:07:55 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-10-14 10:07:55 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 ) 2025-10-14 10:07:55 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-10-14 10:07:55 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-10-14 10:07:55 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-10-14 10:07:55 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-10-14 10:07:55 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-10-14 10:07:55 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) 2025-10-14 10:07:55 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-10-14 10:07:55 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-10-14 10:07:55 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-10-14 10:07:55 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-10-14 10:07:55 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-10-14 10:07:55 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-10-14 10:07:55 INFO imstat:::: Values --- 2025-10-14 10:07:55 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-10-14 10:07:55 INFO imstat:::: -- number of points [npts]: 65536 2025-10-14 10:07:55 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-10-14 10:07:55 INFO imstat:::: -- minimum value [min]: -7.77956e-05 Jy/beam 2025-10-14 10:07:55 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-10-14 10:07:55 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-10-14 10:07:55 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-10-14 10:07:55 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-10-14 10:07:55 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-10-14 10:07:55 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-10-14 10:07:55 INFO imstat:::: Statistics --- 2025-10-14 10:07:55 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-10-14 10:07:55 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-10-14 10:07:55 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-10-14 10:07:55 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-10-14 10:07:55 INFO imstat:::: -- Median of the pixel values [median]: -1.86648e-05 Jy/beam 2025-10-14 10:07:55 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73536e-05 Jy/beam 2025-10-14 10:07:55 INFO imstat:::: -- IQR [quartile]: 3.5639e-05 Jy/beam 2025-10-14 10:07:55 INFO imstat:::: -- First quartile [q1]: -3.45152e-05 Jy/beam 2025-10-14 10:07:55 INFO imstat:::: -- Third quartile [q3]: 1.12373e-06 Jy/beam 2025-10-14 10:07:55 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-10-14 10:07:55 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-10-14 10:07:55 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-10-14 10:07:55 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-10-14 10:07:55 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-10-14 10:07:55 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-10-14 10:07:55 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 2025-10-14 10:07:55 INFO imstat::::casa Task imstat complete. Start time: 2025-10-14 10:07:54.951517 End time: 2025-10-14 10:07:54.972805 2025-10-14 10:07:55 INFO imstat::::casa ##### End Task: imstat ##### 2025-10-14 10:07:55 INFO imstat::::casa ########################################## . ---------------------------------------------------------------------- Ran 26 tests in 373.091s OK Generating XML reports...