2025-09-23 22:04:01 INFO ::casa Using user configuration file /home/casatest/.casa/config.py 2025-09-23 22:04:01 INFO ::casa loaded config file : /wheeldirectory/casa-6.7.2-42-py3.12.el9/lib/py/lib/python3.12/site-packages/casaconfig/config.py 2025-09-23 22:04:01 INFO ::casa loaded config file : /home/casatest/.casa/config.py 2025-09-23 22:04:01 INFO ::casa 2025-09-23 22:04:01 INFO ::casa config values 2025-09-23 22:04:01 INFO ::casa agg = False 2025-09-23 22:04:01 INFO ::casa cachedir = '/home/casatest/.casa' 2025-09-23 22:04:01 INFO ::casa casaconfig_verbose = 1 2025-09-23 22:04:01 INFO ::casa colors = 'Neutral' 2025-09-23 22:04:01 INFO ::casa data_auto_update = False 2025-09-23 22:04:01 INFO ::casa data_update_interval = 1 2025-09-23 22:04:01 INFO ::casa datapath = ['/opt/casa/data/master', '/opt/casa/data/casatestdata'] 2025-09-23 22:04:01 INFO ::casa iplog = False 2025-09-23 22:04:01 INFO ::casa iplogfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/ipython-20250923-220357.log' 2025-09-23 22:04:01 INFO ::casa log2term = True 2025-09-23 22:04:01 INFO ::casa logfile = '/home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/casa-20250923-220357.log' 2025-09-23 22:04:01 INFO ::casa measures_auto_update = False 2025-09-23 22:04:01 INFO ::casa measures_site = ['https://www.astron.nl/iers/', 'https://go.nrao.edu/iers/'] 2025-09-23 22:04:01 INFO ::casa measures_site_interval = 2 2025-09-23 22:04:01 INFO ::casa measures_update_interval = 1 2025-09-23 22:04:01 INFO ::casa measurespath = '/opt/casa/data/master' 2025-09-23 22:04:01 INFO ::casa nogui = False 2025-09-23 22:04:01 INFO ::casa nologfile = False 2025-09-23 22:04:01 INFO ::casa nologger = True 2025-09-23 22:04:01 INFO ::casa pipeline = False 2025-09-23 22:04:01 INFO ::casa startupfile = '/home/casatest/.casa/startup.py' 2025-09-23 22:04:01 INFO ::casa user_site = False 2025-09-23 22:04:01 INFO ::casa 2025-09-23 22:04:01 INFO ::casa casarundata version is unknown, this is probably a legacy version not installed by casaconfig 2025-09-23 22:04:01 INFO ::casa measures version is unknown, this is probably a legacy version not installed by casaconfig 2025-09-23 22:04:01 INFO ::casa 2025-09-23 22:04:01 INFO ::casa Checking Measures tables in data repository sub-directory /opt/casa/data/master/geodetic 2025-09-23 22:04:01 INFO ::casa IERSeop2000 (version date, last date in table (UTC)): 2025/03/10/15:15, 2025/02/08/00:00:00 2025-09-23 22:04:01 INFO ::casa IERSeop97 (version date, last date in table (UTC)): 2025/03/10/15:15, 2025/02/08/00:00:00 2025-09-23 22:04:01 INFO ::casa IERSpredict (version date, last date in table (UTC)): 2025/04/08/15:15, 2025/07/07/00:00:00 2025-09-23 22:04:01 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 6.7.2.42 -- Common Astronomy Software Applications [6.7.2.42] 2025-09-23 22:04:03 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:03 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:04:03 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'} ) 2025-09-23 22:04:03 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-09-23 22:04:03 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:04:03 INFO MSTransformManager::parseMsSpecParams Output file name is test_vis_multi_field_phasecenter_dict.ms 2025-09-23 22:04:03 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:04:03 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:04:03 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:04:03 INFO MSTransformManager::open Select data 2025-09-23 22:04:03 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:04:03 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a dictionary of field->center.Using following phase centers: 2025-09-23 22:04:03 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 19h53m50 40d06m00' successfully parsed for field 0 2025-09-23 22:04:03 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 22h01m02 40d04m03' successfully parsed for field 2 2025-09-23 22:04:03 INFO phaseshift::::casa Shift phase center 2025-09-23 22:04:04 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:04:04 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:04:02.670013 End time: 2025-09-23 22:04:03.682479 2025-09-23 22:04:04 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:04:04 INFO phaseshift::::casa ########################################## .2025-09-23 22:04:04 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:04 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:04:04 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'} ) 2025-09-23 22:04:04 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-09-23 22:04:04 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:04:04 INFO MSTransformManager::parseMsSpecParams Output file name is test_vis_multi_field_phasecenter_dict.ms 2025-09-23 22:04:04 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:04:04 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:04:04 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:04:04 INFO MSTransformManager::open Select data 2025-09-23 22:04:04 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:04:04 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a dictionary of field->center.Using following phase centers: 2025-09-23 22:04:04 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40d06m00' successfully parsed for field 0 2025-09-23 22:04:04 SEVERE phaseshift::::casa Exception Reported: Error in phaseshift: Wrong field ID given: 3. This MeasurementSet has field IDs between 0 and 2 2025-09-23 22:04:04 INFO phaseshift::::casa Traceback (most recent call last): 2025-09-23 22:04:04 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-42-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__ 2025-09-23 22:04:04 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'] ) 2025-09-23 22:04:04 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-23 22:04:04 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-42-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift 2025-09-23 22:04:04 INFO phaseshift::::casa+ mtlocal.open() 2025-09-23 22:04:04 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-42-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/mstransformer.py", line 36, in open 2025-09-23 22:04:04 INFO phaseshift::::casa+ return self._swigobj.open() 2025-09-23 22:04:04 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^ 2025-09-23 22:04:04 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-42-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/mstransformer.py", line 127, in open 2025-09-23 22:04:04 INFO phaseshift::::casa+ return _mstransformer.mstransformer_open(self) 2025-09-23 22:04:04 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-23 22:04:04 INFO phaseshift::::casa+ RuntimeError: Wrong field ID given: 3. This MeasurementSet has field IDs between 0 and 2 2025-09-23 22:04:04 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:04:03.811329 End time: 2025-09-23 22:04:04.270601 2025-09-23 22:04:04 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:04:04 INFO phaseshift::::casa ########################################## .2025-09-23 22:04:04 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:04 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:04:04 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'} ) 2025-09-23 22:04:04 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-09-23 22:04:04 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:04:04 INFO MSTransformManager::parseMsSpecParams Output file name is test_vis_multi_field_phasecenter_dict.ms 2025-09-23 22:04:04 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:04:04 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:04:04 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:04:04 INFO MSTransformManager::open Select data 2025-09-23 22:04:04 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:04:05 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a dictionary of field->center.Using following phase centers: 2025-09-23 22:04:05 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40d06m00' successfully parsed for field 0 2025-09-23 22:04:05 INFO phaseshift::::casa Shift phase center 2025-09-23 22:04:05 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:04:05 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:04:04.341433 End time: 2025-09-23 22:04:05.316062 2025-09-23 22:04:05 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:04:05 INFO phaseshift::::casa ########################################## .2025-09-23 22:04:05 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:05 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:04:05 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'} ) 2025-09-23 22:04:05 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-09-23 22:04:05 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:04:05 INFO MSTransformManager::parseMsSpecParams Output file name is test_vis_multi_field_phasecenter_dict.ms 2025-09-23 22:04:05 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:04:05 INFO MSTransformManager::parseDataSelParams field selection is 0,2 2025-09-23 22:04:05 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:04:06 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:04:06 INFO MSTransformManager::open Select data 2025-09-23 22:04:06 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:04:06 INFO MSTransformDataHandler::makeSelection 11536 out of 15344 rows are going to be considered due to the selection criteria. 2025-09-23 22:04:06 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a dictionary of field->center.Using following phase centers: 2025-09-23 22:04:06 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40d06m00' successfully parsed for field 1 2025-09-23 22:04:06 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 22h01m02 40d04m03' successfully parsed for field 2 2025-09-23 22:04:06 INFO phaseshift::::casa Shift phase center 2025-09-23 22:04:06 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:04:06 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:04:05.472939 End time: 2025-09-23 22:04:06.272287 2025-09-23 22:04:06 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:04:06 INFO phaseshift::::casa ########################################## .2025-09-23 22:04:06 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:06 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:04:06 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'} ) 2025-09-23 22:04:06 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-09-23 22:04:06 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:04:06 INFO MSTransformManager::parseMsSpecParams Output file name is test_vis_multi_field_phasecenter_dict.ms 2025-09-23 22:04:06 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:04:06 INFO MSTransformManager::parseDataSelParams field selection is 0,2 2025-09-23 22:04:06 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:04:06 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:04:06 INFO MSTransformManager::open Select data 2025-09-23 22:04:06 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:04:06 INFO MSTransformDataHandler::makeSelection 11536 out of 15344 rows are going to be considered due to the selection criteria. 2025-09-23 22:04:07 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a dictionary of field->center.Using following phase centers: 2025-09-23 22:04:07 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19h53m50 40d06m00' successfully parsed for field 0 2025-09-23 22:04:07 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 22h01m02 40d04m03' successfully parsed for field 2 2025-09-23 22:04:07 INFO phaseshift::::casa Shift phase center 2025-09-23 22:04:07 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:04:07 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:04:06.394852 End time: 2025-09-23 22:04:07.243163 2025-09-23 22:04:07 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:04:07 INFO phaseshift::::casa ########################################## .2025-09-23 22:04:07 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:07 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:04:07 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' ) 2025-09-23 22:04:07 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-09-23 22:04:07 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:04:07 INFO MSTransformManager::parseMsSpecParams Output file name is test_vis_multi_field_phasecenter_dict.ms 2025-09-23 22:04:07 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:04:07 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:04:07 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:04:07 INFO MSTransformManager::open Select data 2025-09-23 22:04:07 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:04:08 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:04:08 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40d06m00' successfully parsed 2025-09-23 22:04:08 INFO phaseshift::::casa Shift phase center 2025-09-23 22:04:08 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:04:08 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:04:07.356105 End time: 2025-09-23 22:04:08.327526 2025-09-23 22:04:08 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:04:08 INFO phaseshift::::casa ########################################## ..2025-09-23 22:04:09 INFO MeasIERS::fillMeas(MeasIERS::Files, Double) Requested JD 0 is outside the range of the IERS (Earth axis data) table. 2025-09-23 22:04:09 INFO MeasIERS::fillMeas(MeasIERS::Files, Double) + Calculations will proceed with less precision ..2025-09-23 22:04:09 SEVERE Error in QuantumHolder::fromString with input string "xxh53m50": Illegal input units or format 2025-09-23 22:04:09 SEVERE + in converting quantity from string 2025-09-23 22:04:09 SEVERE Exception Reported: Empty QuantumHolder argument for asQuantumDouble 2025-09-23 22:04:09 SEVERE Exception Reports: Empty QuantumHolder argument for asQuantumDouble 2025-09-23 22:04:09 SEVERE phaseshift::::casa *** Error measures.direction() failed for phasecenter string: BOGUS xxh53m50 40d06m00 when interpreting parameter 'phasecenter': ...2025-09-23 22:04:13 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:13 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:04:13 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' ) 2025-09-23 22:04:13 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-09-23 22:04:13 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:04:13 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-09-23 22:04:13 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:04:13 INFO MSTransformManager::parseDataSelParams array selection is 1 2025-09-23 22:04:13 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:04:13 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:04:13 INFO MSTransformManager::open Select data 2025-09-23 22:04:13 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:04:13 SEVERE phaseshift::::casa Exception Reported: Error in phaseshift: MSSelectionNullSelection : The selected table has zero rows. 2025-09-23 22:04:13 INFO phaseshift::::casa Traceback (most recent call last): 2025-09-23 22:04:13 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-42-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__ 2025-09-23 22:04:13 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'] ) 2025-09-23 22:04:13 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-23 22:04:13 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-42-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift 2025-09-23 22:04:13 INFO phaseshift::::casa+ mtlocal.open() 2025-09-23 22:04:13 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-42-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/mstransformer.py", line 36, in open 2025-09-23 22:04:13 INFO phaseshift::::casa+ return self._swigobj.open() 2025-09-23 22:04:13 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^ 2025-09-23 22:04:13 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-42-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/mstransformer.py", line 127, in open 2025-09-23 22:04:13 INFO phaseshift::::casa+ return _mstransformer.mstransformer_open(self) 2025-09-23 22:04:13 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-23 22:04:13 INFO phaseshift::::casa+ RuntimeError: MSSelectionNullSelection : The selected table has zero rows. 2025-09-23 22:04:13 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:04:12.955512 End time: 2025-09-23 22:04:13.013022 2025-09-23 22:04:13 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:04:13 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:13 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:13 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:04:13 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' ) 2025-09-23 22:04:13 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-09-23 22:04:13 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:04:13 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-09-23 22:04:13 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:04:13 INFO MSTransformManager::parseDataSelParams array selection is 0 2025-09-23 22:04:13 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:04:13 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:04:13 INFO MSTransformManager::open Select data 2025-09-23 22:04:13 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:04:14 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2025-09-23 22:04:14 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2025-09-23 22:04:14 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:04:14 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed 2025-09-23 22:04:14 INFO phaseshift::::casa Shift phase center 2025-09-23 22:04:15 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:04:15 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:04:13.014419 End time: 2025-09-23 22:04:14.666260 2025-09-23 22:04:15 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:04:15 INFO phaseshift::::casa ########################################## .2025-09-23 22:04:16 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:16 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:04:16 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' ) 2025-09-23 22:04:16 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-09-23 22:04:16 INFO MSTransformManager::parseMsSpecParams Data column is MODEL 2025-09-23 22:04:16 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-09-23 22:04:16 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:04:16 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:04:16 WARN MSTransformManager::checkDataColumnsToFill MODEL_DATA column requested but not available in input MS 2025-09-23 22:04:16 INFO MSTransformManager::open Select data 2025-09-23 22:04:16 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:04:16 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). 2025-09-23 22:04:16 INFO phaseshift::::casa Traceback (most recent call last): 2025-09-23 22:04:16 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-42-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__ 2025-09-23 22:04:16 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'] ) 2025-09-23 22:04:16 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-23 22:04:16 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-42-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift 2025-09-23 22:04:16 INFO phaseshift::::casa+ mtlocal.open() 2025-09-23 22:04:16 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-42-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/mstransformer.py", line 36, in open 2025-09-23 22:04:16 INFO phaseshift::::casa+ return self._swigobj.open() 2025-09-23 22:04:16 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^ 2025-09-23 22:04:16 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-42-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/mstransformer.py", line 127, in open 2025-09-23 22:04:16 INFO phaseshift::::casa+ return _mstransformer.mstransformer_open(self) 2025-09-23 22:04:16 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-23 22:04:16 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). 2025-09-23 22:04:16 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:04:15.718896 End time: 2025-09-23 22:04:15.753476 2025-09-23 22:04:16 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:04:16 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:16 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:16 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:04:16 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' ) 2025-09-23 22:04:16 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-09-23 22:04:16 INFO MSTransformManager::parseMsSpecParams Data column is DATA 2025-09-23 22:04:16 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-09-23 22:04:16 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:04:16 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:04:16 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:04:16 INFO MSTransformManager::open Select data 2025-09-23 22:04:16 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:04:16 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2025-09-23 22:04:16 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2025-09-23 22:04:17 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:04:17 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed 2025-09-23 22:04:17 INFO phaseshift::::casa Shift phase center 2025-09-23 22:04:17 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:04:17 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:04:15.754546 End time: 2025-09-23 22:04:17.028590 2025-09-23 22:04:17 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:04:17 INFO phaseshift::::casa ########################################## .2025-09-23 22:04:18 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:18 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:04:18 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' ) 2025-09-23 22:04:18 INFO MSTransformManager::parseMsSpecParams Input file name is Itziar_copy.ms 2025-09-23 22:04:18 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:04:18 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-09-23 22:04:18 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:04:18 INFO MSTransformManager::parseDataSelParams field selection is 2 2025-09-23 22:04:18 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:04:18 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:04:18 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:04:18 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:04:18 INFO MSTransformManager::open Select data 2025-09-23 22:04:18 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:04:18 INFO MSTransformDataHandler::makeSelection 6125 out of 245000 rows are going to be considered due to the selection criteria. 2025-09-23 22:04:18 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:04:18 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 00h00m01 -29d55m40' successfully parsed 2025-09-23 22:04:18 INFO phaseshift::::casa Shift phase center 2025-09-23 22:04:18 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:04:18 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:04:18.039923 End time: 2025-09-23 22:04:18.474301 2025-09-23 22:04:18 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:04:18 INFO phaseshift::::casa ########################################## .2025-09-23 22:04:19 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:19 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:04:19 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' ) 2025-09-23 22:04:19 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-09-23 22:04:19 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:04:19 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-09-23 22:04:19 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:04:19 INFO MSTransformManager::parseDataSelParams scan intent selection is *FLUX* 2025-09-23 22:04:19 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:04:19 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:04:19 INFO MSTransformManager::open Select data 2025-09-23 22:04:19 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:04:19 INFO MSTransformDataHandler::makeSelection 570 out of 6270 rows are going to be considered due to the selection criteria. 2025-09-23 22:04:20 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2025-09-23 22:04:20 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2025-09-23 22:04:20 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:04:20 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed 2025-09-23 22:04:20 INFO phaseshift::::casa Shift phase center 2025-09-23 22:04:20 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:04:20 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:04:19.418028 End time: 2025-09-23 22:04:20.476855 2025-09-23 22:04:20 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:04:20 INFO phaseshift::::casa ########################################## .2025-09-23 22:04:22 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:22 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:04:22 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' ) 2025-09-23 22:04:22 INFO MSTransformManager::parseMsSpecParams Input file name is mms_copy.mms 2025-09-23 22:04:22 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:04:22 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-09-23 22:04:22 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:04:22 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:04:22 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:04:22 INFO MSTransformManager::open Select data 2025-09-23 22:04:22 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:04:22 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:04:22 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 05h30m48 13d31m48' successfully parsed 2025-09-23 22:04:22 INFO phaseshift::::casa Shift phase center 2025-09-23 22:04:22 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:04:22 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:04:21.585958 End time: 2025-09-23 22:04:22.179774 2025-09-23 22:04:22 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:04:22 INFO phaseshift::::casa ########################################## .2025-09-23 22:04:23 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:23 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:04:23 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' ) 2025-09-23 22:04:23 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-09-23 22:04:23 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:04:23 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-09-23 22:04:23 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:04:23 INFO MSTransformManager::parseDataSelParams observation selection is 1 2025-09-23 22:04:23 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:04:23 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:04:23 INFO MSTransformManager::open Select data 2025-09-23 22:04:23 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:04:23 SEVERE phaseshift::::casa Exception Reported: Error in phaseshift: MSSelectionNullSelection : The selected table has zero rows. 2025-09-23 22:04:23 INFO phaseshift::::casa Traceback (most recent call last): 2025-09-23 22:04:23 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-42-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__ 2025-09-23 22:04:23 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'] ) 2025-09-23 22:04:23 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-23 22:04:23 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-42-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 99, in phaseshift 2025-09-23 22:04:23 INFO phaseshift::::casa+ mtlocal.open() 2025-09-23 22:04:23 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-42-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/mstransformer.py", line 36, in open 2025-09-23 22:04:23 INFO phaseshift::::casa+ return self._swigobj.open() 2025-09-23 22:04:23 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^ 2025-09-23 22:04:23 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-42-py3.12.el9/lib/py/lib/python3.12/site-packages/casatools/__casac__/mstransformer.py", line 127, in open 2025-09-23 22:04:23 INFO phaseshift::::casa+ return _mstransformer.mstransformer_open(self) 2025-09-23 22:04:23 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-23 22:04:23 INFO phaseshift::::casa+ RuntimeError: MSSelectionNullSelection : The selected table has zero rows. 2025-09-23 22:04:23 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:04:23.058095 End time: 2025-09-23 22:04:23.103211 2025-09-23 22:04:23 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:04:23 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:23 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:23 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:04:23 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' ) 2025-09-23 22:04:23 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-09-23 22:04:23 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:04:23 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-09-23 22:04:23 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:04:23 INFO MSTransformManager::parseDataSelParams observation selection is 0 2025-09-23 22:04:23 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:04:23 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:04:23 INFO MSTransformManager::open Select data 2025-09-23 22:04:23 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:04:24 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2025-09-23 22:04:24 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2025-09-23 22:04:24 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:04:24 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 00h06m14 -06d23m35' successfully parsed 2025-09-23 22:04:24 INFO phaseshift::::casa Shift phase center 2025-09-23 22:04:24 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:04:24 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:04:23.104471 End time: 2025-09-23 22:04:24.390037 2025-09-23 22:04:24 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:04:24 INFO phaseshift::::casa ########################################## .2025-09-23 22:04:25 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:25 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:04:25 INFO phaseshift::::casa phaseshift( vis='datacopy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' ) 2025-09-23 22:04:25 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-09-23 22:04:25 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:04:25 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-09-23 22:04:25 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:04:25 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:04:25 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:04:25 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:04:25 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:04:25 INFO MSTransformManager::open Select data 2025-09-23 22:04:25 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:04:26 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:04:26 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40d06m00' successfully parsed 2025-09-23 22:04:26 INFO phaseshift::::casa Shift phase center 2025-09-23 22:04:27 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:04:27 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:04:25.452002 End time: 2025-09-23 22:04:27.071504 2025-09-23 22:04:27 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:04:27 INFO phaseshift::::casa ########################################## .2025-09-23 22:04:28 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:28 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:04:28 INFO phaseshift::::casa phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='' ) 2025-09-23 22:04:28 SEVERE phaseshift::::casa Exception Reported: Error in phaseshift: phasecenter parameter must be specified 2025-09-23 22:04:28 INFO phaseshift::::casa Traceback (most recent call last): 2025-09-23 22:04:28 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-42-py3.12.el9/lib/py/lib/python3.12/site-packages/casashell/private/phaseshift.py", line 577, in __call__ 2025-09-23 22:04:28 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'] ) 2025-09-23 22:04:28 INFO phaseshift::::casa+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-23 22:04:28 INFO phaseshift::::casa+ File "/wheeldirectory/casa-6.7.2-42-py3.12.el9/lib/py/lib/python3.12/site-packages/casatasks/private/task_phaseshift.py", line 31, in phaseshift 2025-09-23 22:04:28 INFO phaseshift::::casa+ raise ValueError("phasecenter parameter must be specified") 2025-09-23 22:04:28 INFO phaseshift::::casa+ ValueError: phasecenter parameter must be specified 2025-09-23 22:04:28 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:04:27.990516 End time: 2025-09-23 22:04:27.991911 2025-09-23 22:04:28 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:04:28 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:28 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:28 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:04:28 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' ) 2025-09-23 22:04:28 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-09-23 22:04:28 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:04:28 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-09-23 22:04:28 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:04:28 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:04:28 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:04:28 INFO MSTransformManager::open Select data 2025-09-23 22:04:28 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:04:29 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2025-09-23 22:04:29 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2025-09-23 22:04:29 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:04:29 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 00h06m14 -08d23m35' successfully parsed 2025-09-23 22:04:29 INFO phaseshift::::casa Shift phase center 2025-09-23 22:04:29 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:04:29 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:04:27.992989 End time: 2025-09-23 22:04:29.292176 2025-09-23 22:04:29 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:04:29 INFO phaseshift::::casa ########################################## .2025-09-23 22:04:30 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:30 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:04:30 INFO phaseshift::::casa phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='00h06m14 -08d23m35' ) 2025-09-23 22:04:30 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2025-09-23 22:04:30 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:04:30 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-09-23 22:04:30 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:04:30 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:04:30 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:04:30 INFO MSTransformManager::open Select data 2025-09-23 22:04:30 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:04:31 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2025-09-23 22:04:31 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2025-09-23 22:04:31 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:04:31 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center '00h06m14 -08d23m35' successfully parsed 2025-09-23 22:04:31 INFO phaseshift::::casa Shift phase center 2025-09-23 22:04:32 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:04:32 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:04:30.335042 End time: 2025-09-23 22:04:31.611134 2025-09-23 22:04:32 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:04:32 INFO phaseshift::::casa ########################################## .2025-09-23 22:04:33 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:33 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:04:33 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' ) 2025-09-23 22:04:33 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-09-23 22:04:33 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:04:33 INFO MSTransformManager::parseMsSpecParams Output file name is post_phaseshift.ms 2025-09-23 22:04:33 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:04:33 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:04:33 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:04:33 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:04:33 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:04:33 INFO MSTransformManager::open Select data 2025-09-23 22:04:33 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:04:33 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:04:33 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40d06m00' successfully parsed 2025-09-23 22:04:33 INFO phaseshift::::casa Shift phase center 2025-09-23 22:04:34 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:04:34 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:04:32.677903 End time: 2025-09-23 22:04:34.247933 2025-09-23 22:04:34 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:04:34 INFO phaseshift::::casa ########################################## 2025-09-23 22:04:34 INFO tclean::::casa ########################################## 2025-09-23 22:04:34 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:04:34 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 ) 2025-09-23 22:04:34 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:04:34 INFO SynthesisImagerVi2::selectData MS : datacopy.ms | [Opened in readonly mode] 2025-09-23 22:04:34 INFO SynthesisImagerVi2::selectData NRows selected : 63180 2025-09-23 22:04:34 SEVERE MeasTable::dUTC(Double) (file /source/casa6/casatools/casacore/measures/Measures/MeasTable.cc, line 4290) Leap second table TAI_UTC seems out-of-date. 2025-09-23 22:04:34 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), 2025-09-23 22:04:34 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. 2025-09-23 22:04:34 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im2_pre] : 2025-09-23 22:04:34 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im2_pre] : 2025-09-23 22:04:35 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:04:35 INFO SynthesisImagerVi2::defineImage Shape: [2048, 2048, 1, 1] Spectral: [1.49998e+09] at [0] with increment [1.99998e+09] 2025-09-23 22:04:35 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im2_pre] with ftmachine : wprojectft 2025-09-23 22:04:35 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.3842 GB. Available mem.: 11.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:04:35 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:04:35 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im2_pre] : hogbom 2025-09-23 22:04:35 INFO SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:04:35 INFO WPConvFunc::findConvFunction W projection using 128 planes 2025-09-23 22:04:35 INFO WPConvFunc::findConvFunction Using maximum possible W = 10313.2 (wavelengths) 2025-09-23 22:04:35 INFO WPConvFunc::findConvFunction Typical wavelength = 0.299796 (m) 2025-09-23 22:04:35 INFO WPConvFunc::findConvFunction Scaling in W (at maximum W) = 0.639422 wavelengths per pixel 2025-09-23 22:05:11 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 2025-09-23 22:05:11 INFO WPConvFunc::findConvFunction Memory used in gridding function = 7 MB from maximum 15884 MB 2025-09-23 22:05:14 INFO SIImageStore::calcSensitivity [im2_pre] Theoretical sensitivity (Jy/bm):0.00204403 2025-09-23 22:05:14 INFO SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.06417 2025-09-23 22:05:14 INFO SIImageStore::printBeamSet Beam : 54.8469 arcsec, 48.7749 arcsec, 82.835 deg 2025-09-23 22:05:14 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:05:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:05:17 INFO task_tclean::SDAlgorithmBase::restore [im2_pre] : Restoring model image. 2025-09-23 22:05:17 WARN task_tclean::SIImageStore::restore (file /source/casa6/casatools/src/code/synthesis/ImagerObjects/SIImageStore.cc, line 2345) Restoring with an empty model image. Only residuals will be processed to form the output restored image. 2025-09-23 22:05:17 INFO task_tclean::SIImageStore::restore Beam for chan : 0 : 54.8469 arcsec, 48.7749 arcsec, 82.835 deg 2025-09-23 22:05:18 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'] 2025-09-23 22:05:18 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:04:34.341944 End time: 2025-09-23 22:05:17.578735 2025-09-23 22:05:18 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:05:18 INFO tclean::::casa ########################################## 2025-09-23 22:05:18 INFO tclean::::casa ########################################## 2025-09-23 22:05:18 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:05:18 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 ) 2025-09-23 22:05:18 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:05:18 INFO SynthesisImagerVi2::selectData MS : post_phaseshift.ms | [Opened in readonly mode] 2025-09-23 22:05:18 INFO SynthesisImagerVi2::selectData NRows selected : 63180 2025-09-23 22:05:18 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im2_post_phaseshift] : 2025-09-23 22:05:18 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im2_post_phaseshift] : 2025-09-23 22:05:18 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:05:18 INFO SynthesisImagerVi2::defineImage Shape: [2048, 2048, 1, 1] Spectral: [1.49998e+09] at [0] with increment [1.99998e+09] 2025-09-23 22:05:18 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im2_post_phaseshift] with ftmachine : wprojectft 2025-09-23 22:05:18 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.3842 GB. Available mem.: 11.05 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:05:18 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:05:18 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im2_post_phaseshift] : hogbom 2025-09-23 22:05:18 INFO SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:05:18 INFO WPConvFunc::findConvFunction W projection using 128 planes 2025-09-23 22:05:18 INFO WPConvFunc::findConvFunction Using maximum possible W = 10313.2 (wavelengths) 2025-09-23 22:05:18 INFO WPConvFunc::findConvFunction Typical wavelength = 0.299796 (m) 2025-09-23 22:05:18 INFO WPConvFunc::findConvFunction Scaling in W (at maximum W) = 0.639422 wavelengths per pixel 2025-09-23 22:05:53 INFO WPConvFunc::findConvFunction Convolution support = [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 28, 28, 28, 28, 28, 28, 28, 28, 28, 32, 32, 32, 32, 32, 32, 32, 32, 36, 36, 36, 36, 36, 36, 36, 40, 40, 40, 40, 40, 40, 44, 44, 44, 44, 44, 44, 44, 48, 48, 48, 48, 48, 52, 52, 52, 52, 52, 52, 56, 56, 56, 56, 56, 60, 60, 60, 60, 60, 64, 64, 64, 64, 64, 68, 68, 68, 68, 68, 72, 72, 72, 72, 76, 76, 76, 76, 80, 80, 80] pixels in Fourier plane 2025-09-23 22:05:53 INFO WPConvFunc::findConvFunction Memory used in gridding function = 7 MB from maximum 15884 MB 2025-09-23 22:05:55 INFO SIImageStore::calcSensitivity [im2_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00204403 2025-09-23 22:05:55 INFO SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.061691 2025-09-23 22:05:55 INFO SIImageStore::printBeamSet Beam : 54.3737 arcsec, 48.741 arcsec, 82.2249 deg 2025-09-23 22:05:56 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:05:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:05:59 INFO task_tclean::SDAlgorithmBase::restore [im2_post_phaseshift] : Restoring model image. 2025-09-23 22:05:59 WARN task_tclean::SIImageStore::restore (file /source/casa6/casatools/src/code/synthesis/ImagerObjects/SIImageStore.cc, line 2345) Restoring with an empty model image. Only residuals will be processed to form the output restored image. 2025-09-23 22:05:59 INFO task_tclean::SIImageStore::restore Beam for chan : 0 : 54.3737 arcsec, 48.741 arcsec, 82.2249 deg 2025-09-23 22:05:59 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'] 2025-09-23 22:05:59 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:05:17.733033 End time: 2025-09-23 22:05:59.031715 2025-09-23 22:05:59 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:05:59 INFO tclean::::casa ########################################## 2025-09-23 22:05:59 INFO tclean::::casa ########################################## 2025-09-23 22:05:59 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:05:59 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 ) 2025-09-23 22:05:59 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:05:59 INFO SynthesisImagerVi2::selectData MS : post_phaseshift.ms | [Opened in readonly mode] 2025-09-23 22:05:59 INFO SynthesisImagerVi2::selectData NRows selected : 63180 2025-09-23 22:05:59 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im2_post_phaseshift_tclean_phasecenter] : 2025-09-23 22:05:59 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im2_post_phaseshift_tclean_phasecenter] : 2025-09-23 22:05:59 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:05:59 INFO SynthesisImagerVi2::defineImage Shape: [2048, 2048, 1, 1] Spectral: [1.49998e+09] at [0] with increment [1.99998e+09] 2025-09-23 22:05:59 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im2_post_phaseshift_tclean_phasecenter] with ftmachine : wprojectft 2025-09-23 22:05:59 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.3842 GB. Available mem.: 11.06 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:05:59 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:05:59 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im2_post_phaseshift_tclean_phasecenter] : hogbom 2025-09-23 22:05:59 INFO SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:05:59 INFO WPConvFunc::findConvFunction W projection using 128 planes 2025-09-23 22:05:59 INFO WPConvFunc::findConvFunction Using maximum possible W = 10313.2 (wavelengths) 2025-09-23 22:05:59 INFO WPConvFunc::findConvFunction Typical wavelength = 0.299796 (m) 2025-09-23 22:05:59 INFO WPConvFunc::findConvFunction Scaling in W (at maximum W) = 0.639422 wavelengths per pixel 2025-09-23 22:06:33 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 2025-09-23 22:06:33 INFO WPConvFunc::findConvFunction Memory used in gridding function = 7 MB from maximum 15884 MB 2025-09-23 22:06:36 INFO SIImageStore::calcSensitivity [im2_post_phaseshift_tclean_phasecenter] Theoretical sensitivity (Jy/bm):0.00204403 2025-09-23 22:06:36 INFO SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.081549 2025-09-23 22:06:36 INFO SIImageStore::printBeamSet Beam : 54.8469 arcsec, 48.775 arcsec, 82.8349 deg 2025-09-23 22:06:36 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:06:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:06:39 INFO task_tclean::SDAlgorithmBase::restore [im2_post_phaseshift_tclean_phasecenter] : Restoring model image. 2025-09-23 22:06:39 WARN task_tclean::SIImageStore::restore (file /source/casa6/casatools/src/code/synthesis/ImagerObjects/SIImageStore.cc, line 2345) Restoring with an empty model image. Only residuals will be processed to form the output restored image. 2025-09-23 22:06:39 INFO task_tclean::SIImageStore::restore Beam for chan : 0 : 54.8469 arcsec, 48.775 arcsec, 82.8349 deg 2025-09-23 22:06:39 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'] 2025-09-23 22:06:39 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:05:59.061424 End time: 2025-09-23 22:06:39.068123 2025-09-23 22:06:39 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:06:39 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} .2025-09-23 22:06:40 INFO phaseshift::::casa ########################################## 2025-09-23 22:06:40 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:06:40 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' ) 2025-09-23 22:06:40 INFO MSTransformManager::parseMsSpecParams Input file name is ngc_copy.ms 2025-09-23 22:06:40 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:06:40 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-09-23 22:06:40 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:06:40 INFO MSTransformManager::parseDataSelParams spw selection is 1 2025-09-23 22:06:40 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:06:40 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:06:41 INFO MSTransformManager::initDataSelectionParams Selected SPWs Ids are Axis Lengths: [1, 4] (NB: Matrix in Row/Column order) 2025-09-23 22:06:41 INFO MSTransformManager::initDataSelectionParams+ [1, 0, 4, 1] 2025-09-23 22:06:41 INFO MSTransformManager::open Select data 2025-09-23 22:06:41 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:06:41 INFO MSTransformDataHandler::makeSelection 13338 out of 26676 rows are going to be considered due to the selection criteria. 2025-09-23 22:06:41 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:06:41 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 23h11m54 61d10m54' successfully parsed 2025-09-23 22:06:41 INFO phaseshift::::casa Shift phase center 2025-09-23 22:06:41 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:06:41 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:06:40.455691 End time: 2025-09-23 22:06:40.921496 2025-09-23 22:06:41 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:06:41 INFO phaseshift::::casa ########################################## .2025-09-23 22:06:42 INFO phaseshift::::casa ########################################## 2025-09-23 22:06:42 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:06:42 INFO phaseshift::::casa phaseshift( vis='datacopy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' ) 2025-09-23 22:06:42 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2025-09-23 22:06:42 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:06:42 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2025-09-23 22:06:42 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:06:42 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:06:42 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:06:42 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:06:42 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:06:42 INFO MSTransformManager::open Select data 2025-09-23 22:06:42 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:06:42 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:06:42 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40d06m00' successfully parsed 2025-09-23 22:06:42 INFO phaseshift::::casa Shift phase center 2025-09-23 22:06:43 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:06:43 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:06:41.812778 End time: 2025-09-23 22:06:43.294132 2025-09-23 22:06:43 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:06:43 INFO phaseshift::::casa ########################################## .2025-09-23 22:06:44 INFO phaseshift::::casa ########################################## 2025-09-23 22:06:44 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:06:44 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' ) 2025-09-23 22:06:44 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:06:44 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:06:44 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:06:44 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:06:44 INFO MSTransformManager::parseDataSelParams field selection is 0 2025-09-23 22:06:44 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:06:44 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:06:44 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:06:44 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:06:44 INFO MSTransformManager::open Select data 2025-09-23 22:06:44 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:06:44 INFO MSTransformDataHandler::makeSelection 3510 out of 7020 rows are going to be considered due to the selection criteria. 2025-09-23 22:06:44 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:06:44 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40.108888889deg' successfully parsed 2025-09-23 22:06:44 INFO phaseshift::::casa Shift phase center 2025-09-23 22:06:44 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:06:44 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:06:43.863606 End time: 2025-09-23 22:06:44.308650 2025-09-23 22:06:44 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:06:44 INFO phaseshift::::casa ########################################## 2025-09-23 22:06:44 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2025-09-23 22:06:44 INFO tclean::::casa ########################################## 2025-09-23 22:06:44 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:06:44 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 ) 2025-09-23 22:06:44 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:06:44 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:06:44 INFO SynthesisImagerVi2::selectData NRows selected : 3510 2025-09-23 22:06:45 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:06:45 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:06:45 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:06:45 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99981e+08] at [0] with increment [9.99998e+07] 2025-09-23 22:06:45 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:06:45 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 11.05 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:06:45 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:06:45 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:06:45 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:06:45 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 2025-09-23 22:06:45 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.011441 2025-09-23 22:06:45 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg 2025-09-23 22:06:45 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:06:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:06:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:06:45 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:06:45 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:06:45 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:06:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6347251534461975, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:06:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.634725, CycleNiter=20, Gain=0.3 2025-09-23 22:06:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:06:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:06:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:06:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:06:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07467404007911682, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:06:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.074674, CycleNiter=14, Gain=0.3 2025-09-23 22:06:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold. 2025-09-23 22:06:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:06:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:06:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053 2025-09-23 22:06:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00878525897860527, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:06:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00878526, CycleNiter=8, Gain=0.3 2025-09-23 22:06:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold. 2025-09-23 22:06:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:06:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:06:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814184, over full image : 0.00814184 2025-09-23 22:06:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0010335649130865932, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:06:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00103356, CycleNiter=2, Gain=0.3 2025-09-23 22:06:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814184->0.00279265, Reached cycleniter. 2025-09-23 22:06:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:06:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:06:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279276, over full image : 0.00279276 2025-09-23 22:06:46 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:06:46 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:06:46 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:06:46 INFO SIImageStore::restore Beam for chan : 0 : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg 2025-09-23 22:06:46 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'] 2025-09-23 22:06:46 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:06:44.469808 End time: 2025-09-23 22:06:46.042775 2025-09-23 22:06:46 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:06:46 INFO tclean::::casa ########################################## 2025-09-23 22:06:46 INFO imstat::::casa ########################################## 2025-09-23 22:06:46 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:06:46 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 ) 2025-09-23 22:06:46 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:06:46 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:06:46 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:06:46 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:06:46 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:06:46 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) 2025-09-23 22:06:46 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:06:46 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:06:46 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:06:46 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:06:46 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 9.99981e+08Hz 2025-09-23 22:06:46 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.069, +40.23.25.888, I, 9.99981e+08Hz 2025-09-23 22:06:46 INFO imstat:::: Values --- 2025-09-23 22:06:46 INFO imstat:::: -- flux density [flux]: 4.99409 Jy 2025-09-23 22:06:46 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:06:46 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:06:46 INFO imstat:::: -- minimum value [min]: -0.00012283 Jy/beam 2025-09-23 22:06:46 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 124, 0, 0] 2025-09-23 22:06:46 INFO imstat:::: -- position of min value (pixel) [minpos]: [100, 55, 0, 0] 2025-09-23 22:06:46 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 9.99981e+08Hz 2025-09-23 22:06:46 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:09.479, +39.56.47.897, I, 9.99981e+08Hz 2025-09-23 22:06:46 INFO imstat:::: -- Sum of pixel values [sum]: 605.961 Jy/beam 2025-09-23 22:06:46 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1516.75 Jy/beam.Jy/beam 2025-09-23 22:06:46 INFO imstat:::: Statistics --- 2025-09-23 22:06:46 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00924623 Jy/beam 2025-09-23 22:06:46 INFO imstat:::: -- Variance of the pixel values : 0.0230586 Jy/beam 2025-09-23 22:06:46 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.15185 Jy/beam 2025-09-23 22:06:46 INFO imstat:::: -- Root mean square [rms]: 0.152131 Jy/beam 2025-09-23 22:06:46 INFO imstat:::: -- Median of the pixel values [median]: -2.09007e-05 Jy/beam 2025-09-23 22:06:46 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 3.00259e-05 Jy/beam 2025-09-23 22:06:46 INFO imstat:::: -- IQR [quartile]: 6.1616e-05 Jy/beam 2025-09-23 22:06:46 INFO imstat:::: -- First quartile [q1]: -4.79744e-05 Jy/beam 2025-09-23 22:06:46 INFO imstat:::: -- Third quartile [q3]: 1.36416e-05 Jy/beam 2025-09-23 22:06:46 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:06:46 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:06:46 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:06:46 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:06:46 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:06:46 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:06:46 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 2025-09-23 22:06:46 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:06:46.056925 End time: 2025-09-23 22:06:46.083220 2025-09-23 22:06:46 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:06:46 INFO imstat::::casa ########################################## 2025-09-23 22:06:46 INFO phaseshift::::casa ########################################## 2025-09-23 22:06:46 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:06:46 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' ) 2025-09-23 22:06:46 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:06:46 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:06:46 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:06:46 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:06:46 INFO MSTransformManager::parseDataSelParams field selection is fake 2025-09-23 22:06:46 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:06:46 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:06:46 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:06:46 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:06:46 INFO MSTransformManager::open Select data 2025-09-23 22:06:46 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:06:46 INFO MSTransformDataHandler::makeSelection 3510 out of 7020 rows are going to be considered due to the selection criteria. 2025-09-23 22:06:46 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:06:46 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40.108888889deg' successfully parsed 2025-09-23 22:06:46 INFO phaseshift::::casa Shift phase center 2025-09-23 22:06:46 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:06:46 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:06:46.096391 End time: 2025-09-23 22:06:46.485858 2025-09-23 22:06:46 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:06:46 INFO phaseshift::::casa ########################################## 2025-09-23 22:06:46 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data.ms... 2025-09-23 22:06:47 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2025-09-23 22:06:47 INFO tclean::::casa ########################################## 2025-09-23 22:06:47 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:06:47 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 ) 2025-09-23 22:06:47 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:06:47 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:06:47 INFO SynthesisImagerVi2::selectData NRows selected : 3510 2025-09-23 22:06:47 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:06:47 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:06:47 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:06:47 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99981e+08] at [0] with increment [9.99998e+07] 2025-09-23 22:06:47 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:06:47 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 11.05 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:06:47 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:06:47 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:06:47 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:06:47 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 2025-09-23 22:06:47 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.027147 2025-09-23 22:06:47 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg 2025-09-23 22:06:47 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:06:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:06:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:06:47 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:06:47 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:06:47 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:06:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6347251534461975, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:06:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.634725, CycleNiter=20, Gain=0.3 2025-09-23 22:06:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:06:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:06:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:06:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:06:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07467404007911682, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:06:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.074674, CycleNiter=14, Gain=0.3 2025-09-23 22:06:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold. 2025-09-23 22:06:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:06:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:06:48 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053 2025-09-23 22:06:48 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00878525897860527, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:06:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00878526, CycleNiter=8, Gain=0.3 2025-09-23 22:06:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold. 2025-09-23 22:06:48 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:06:48 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:06:48 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814184, over full image : 0.00814184 2025-09-23 22:06:48 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0010335649130865932, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:06:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00103356, CycleNiter=2, Gain=0.3 2025-09-23 22:06:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814184->0.00279265, Reached cycleniter. 2025-09-23 22:06:48 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:06:48 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:06:48 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279276, over full image : 0.00279276 2025-09-23 22:06:48 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:06:48 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:06:48 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:06:48 INFO SIImageStore::restore Beam for chan : 0 : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg 2025-09-23 22:06:48 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'] 2025-09-23 22:06:48 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:06:46.525919 End time: 2025-09-23 22:06:47.948132 2025-09-23 22:06:48 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:06:48 INFO tclean::::casa ########################################## 2025-09-23 22:06:48 INFO imstat::::casa ########################################## 2025-09-23 22:06:48 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:06:48 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:06:48 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:06:48 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:06:48 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:06:48 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:06:48 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:06:48 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) 2025-09-23 22:06:48 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:06:48 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:06:48 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:06:48 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:06:48 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 9.99981e+08Hz 2025-09-23 22:06:48 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.069, +40.23.25.888, I, 9.99981e+08Hz 2025-09-23 22:06:48 INFO imstat:::: Values --- 2025-09-23 22:06:48 INFO imstat:::: -- flux density [flux]: 4.99409 Jy 2025-09-23 22:06:48 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:06:48 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:06:48 INFO imstat:::: -- minimum value [min]: -0.00012283 Jy/beam 2025-09-23 22:06:48 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 124, 0, 0] 2025-09-23 22:06:48 INFO imstat:::: -- position of min value (pixel) [minpos]: [100, 55, 0, 0] 2025-09-23 22:06:48 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 9.99981e+08Hz 2025-09-23 22:06:48 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:09.479, +39.56.47.897, I, 9.99981e+08Hz 2025-09-23 22:06:48 INFO imstat:::: -- Sum of pixel values [sum]: 605.961 Jy/beam 2025-09-23 22:06:48 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1516.75 Jy/beam.Jy/beam 2025-09-23 22:06:48 INFO imstat:::: Statistics --- 2025-09-23 22:06:48 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00924623 Jy/beam 2025-09-23 22:06:48 INFO imstat:::: -- Variance of the pixel values : 0.0230586 Jy/beam 2025-09-23 22:06:48 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.15185 Jy/beam 2025-09-23 22:06:48 INFO imstat:::: -- Root mean square [rms]: 0.152131 Jy/beam 2025-09-23 22:06:48 INFO imstat:::: -- Median of the pixel values [median]: -2.09007e-05 Jy/beam 2025-09-23 22:06:48 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 3.00259e-05 Jy/beam 2025-09-23 22:06:48 INFO imstat:::: -- IQR [quartile]: 6.1616e-05 Jy/beam 2025-09-23 22:06:48 INFO imstat:::: -- First quartile [q1]: -4.79744e-05 Jy/beam 2025-09-23 22:06:48 INFO imstat:::: -- Third quartile [q3]: 1.36416e-05 Jy/beam 2025-09-23 22:06:48 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:06:48 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:06:48 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:06:48 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:06:48 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:06:48 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:06:48 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 2025-09-23 22:06:48 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:06:47.950120 End time: 2025-09-23 22:06:47.968489 2025-09-23 22:06:48 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:06:48 INFO imstat::::casa ########################################## 2025-09-23 22:06:48 INFO phaseshift::::casa ########################################## 2025-09-23 22:06:48 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:06:48 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40.108888889deg' ) 2025-09-23 22:06:48 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:06:48 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:06:48 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:06:48 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:06:48 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:06:48 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:06:48 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:06:48 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:06:48 INFO MSTransformManager::open Select data 2025-09-23 22:06:48 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:06:48 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:06:48 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40.108888889deg' successfully parsed 2025-09-23 22:06:48 INFO phaseshift::::casa Shift phase center 2025-09-23 22:06:48 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:06:48 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:06:47.978760 End time: 2025-09-23 22:06:48.400921 2025-09-23 22:06:48 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:06:48 INFO phaseshift::::casa ########################################## 2025-09-23 22:06:48 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2025-09-23 22:06:49 INFO tclean::::casa ########################################## 2025-09-23 22:06:49 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:06:49 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 ) 2025-09-23 22:06:49 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:06:49 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:06:49 INFO SynthesisImagerVi2::selectData NRows selected : 7020 2025-09-23 22:06:49 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:06:49 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:06:49 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:06:49 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:06:49 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:06:49 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 11.05 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:06:49 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:06:49 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:06:49 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:06:49 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00843949 2025-09-23 22:06:49 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009617 2025-09-23 22:06:49 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.9193 arcsec, 77.6082 arcsec, 88.5528 deg 2025-09-23 22:06:49 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:06:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:06:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:06:49 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:06:49 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:06:49 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:06:49 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6069034934043884, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:06:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.606903, CycleNiter=20, Gain=0.3 2025-09-23 22:06:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:06:49 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:06:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:06:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:06:49 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07140088081359863, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:06:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0714009, CycleNiter=14, Gain=0.3 2025-09-23 22:06:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold. 2025-09-23 22:06:49 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:06:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:06:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053 2025-09-23 22:06:50 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00840018317103386, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:06:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00840018, CycleNiter=8, Gain=0.3 2025-09-23 22:06:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold. 2025-09-23 22:06:50 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:06:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:06:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814189, over full image : 0.00814189 2025-09-23 22:06:50 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009882674785330892, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:06:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000988267, CycleNiter=2, Gain=0.3 2025-09-23 22:06:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814189->0.00279267, Reached cycleniter. 2025-09-23 22:06:50 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:06:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:06:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0027928, over full image : 0.0027928 2025-09-23 22:06:50 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:06:50 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:06:50 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:06:50 INFO SIImageStore::restore Beam for chan : 0 : 88.9193 arcsec, 77.6082 arcsec, 88.5528 deg 2025-09-23 22:06:50 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'] 2025-09-23 22:06:50 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:06:48.730250 End time: 2025-09-23 22:06:50.017832 2025-09-23 22:06:50 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:06:50 INFO tclean::::casa ########################################## 2025-09-23 22:06:50 INFO imstat::::casa ########################################## 2025-09-23 22:06:50 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:06:50 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 ) 2025-09-23 22:06:50 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:06:50 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:06:50 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:06:50 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:06:50 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:06:50 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) 2025-09-23 22:06:50 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:06:50 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:06:50 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:06:50 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:06:50 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 999981604.64Hz 2025-09-23 22:06:50 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.069, +40.23.25.888, I, 999981604.64Hz 2025-09-23 22:06:50 INFO imstat:::: Values --- 2025-09-23 22:06:50 INFO imstat:::: -- flux density [flux]: 4.99444 Jy 2025-09-23 22:06:50 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:06:50 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:06:50 INFO imstat:::: -- minimum value [min]: -9.70533e-05 Jy/beam 2025-09-23 22:06:50 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 124, 0, 0] 2025-09-23 22:06:50 INFO imstat:::: -- position of min value (pixel) [minpos]: [158, 70, 0, 0] 2025-09-23 22:06:50 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981604.64Hz 2025-09-23 22:06:50 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:29.120, +39.58.47.882, I, 999981604.64Hz 2025-09-23 22:06:50 INFO imstat:::: -- Sum of pixel values [sum]: 610.203 Jy/beam 2025-09-23 22:06:50 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1527.26 Jy/beam.Jy/beam 2025-09-23 22:06:50 INFO imstat:::: Statistics --- 2025-09-23 22:06:50 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00931096 Jy/beam 2025-09-23 22:06:50 INFO imstat:::: -- Variance of the pixel values : 0.0232178 Jy/beam 2025-09-23 22:06:50 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152374 Jy/beam 2025-09-23 22:06:50 INFO imstat:::: -- Root mean square [rms]: 0.152657 Jy/beam 2025-09-23 22:06:50 INFO imstat:::: -- Median of the pixel values [median]: -1.85752e-05 Jy/beam 2025-09-23 22:06:50 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.83975e-05 Jy/beam 2025-09-23 22:06:50 INFO imstat:::: -- IQR [quartile]: 3.74524e-05 Jy/beam 2025-09-23 22:06:50 INFO imstat:::: -- First quartile [q1]: -3.53147e-05 Jy/beam 2025-09-23 22:06:50 INFO imstat:::: -- Third quartile [q3]: 2.13765e-06 Jy/beam 2025-09-23 22:06:50 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:06:50 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:06:50 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:06:50 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:06:50 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:06:50 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:06:50 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 2025-09-23 22:06:50 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:06:50.019927 End time: 2025-09-23 22:06:50.047486 2025-09-23 22:06:50 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:06:50 INFO imstat::::casa ########################################## 2025-09-23 22:06:50 INFO phaseshift::::casa ########################################## 2025-09-23 22:06:50 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:06:50 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' ) 2025-09-23 22:06:50 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:06:50 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:06:50 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:06:50 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:06:50 INFO MSTransformManager::parseDataSelParams field selection is 1 2025-09-23 22:06:50 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:06:50 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:06:50 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:06:50 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:06:50 INFO MSTransformManager::open Select data 2025-09-23 22:06:50 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:06:50 INFO MSTransformDataHandler::makeSelection 3510 out of 7020 rows are going to be considered due to the selection criteria. 2025-09-23 22:06:50 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:06:50 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 50.108888889deg' successfully parsed 2025-09-23 22:06:50 INFO phaseshift::::casa Shift phase center 2025-09-23 22:06:50 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:06:50 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:06:50.058130 End time: 2025-09-23 22:06:50.435971 2025-09-23 22:06:50 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:06:50 INFO phaseshift::::casa ########################################## 2025-09-23 22:06:50 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2025-09-23 22:06:51 INFO tclean::::casa ########################################## 2025-09-23 22:06:51 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:06:51 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 ) 2025-09-23 22:06:51 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:06:51 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:06:51 INFO SynthesisImagerVi2::selectData NRows selected : 3510 2025-09-23 22:06:51 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:06:51 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:06:51 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:06:51 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99968e+08] at [0] with increment [9.99982e+07] 2025-09-23 22:06:51 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:06:51 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 11.05 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:06:51 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:06:51 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:06:51 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:06:51 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 2025-09-23 22:06:51 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.017965 2025-09-23 22:06:51 INFO task_tclean::SIImageStore::printBeamSet Beam : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg 2025-09-23 22:06:51 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:06:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:06:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 0.290316 2025-09-23 22:06:51 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:06:51 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:06:51 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.290316, over full image : 0.290316 2025-09-23 22:06:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.03697436675429344, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:06:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0369744, CycleNiter=20, Gain=0.3 2025-09-23 22:06:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->20 [20], model=0->1.38616, peakres=0.290316->0.18329, Reached cycleniter. 2025-09-23 22:06:51 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:06:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:06:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.180075, over full image : 0.180075 2025-09-23 22:06:52 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:06:52 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:06:52 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:06:52 INFO SIImageStore::restore Beam for chan : 0 : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg 2025-09-23 22:06:52 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'] 2025-09-23 22:06:52 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:06:50.692692 End time: 2025-09-23 22:06:51.639308 2025-09-23 22:06:52 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:06:52 INFO tclean::::casa ########################################## 2025-09-23 22:06:52 INFO imstat::::casa ########################################## 2025-09-23 22:06:52 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:06:52 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 ) 2025-09-23 22:06:52 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:06:52 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:06:52 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:06:52 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:06:52 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:06:52 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) 2025-09-23 22:06:52 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:06:52 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:06:52 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:06:52 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:06:52 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:35.817, +49.49.24.973, I, 9.99968e+08Hz 2025-09-23 22:06:52 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:03.760, +50.23.24.993, I, 9.99968e+08Hz 2025-09-23 22:06:52 INFO imstat:::: Values --- 2025-09-23 22:06:52 INFO imstat:::: -- flux density [flux]: -0.242513 Jy 2025-09-23 22:06:52 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:06:52 INFO imstat:::: -- maximum value [max]: 0.285872 Jy/beam 2025-09-23 22:06:52 INFO imstat:::: -- minimum value [min]: -0.1468 Jy/beam 2025-09-23 22:06:52 INFO imstat:::: -- position of max value (pixel) [maxpos]: [54, 120, 0, 0] 2025-09-23 22:06:52 INFO imstat:::: -- position of min value (pixel) [minpos]: [148, 28, 0, 0] 2025-09-23 22:06:52 INFO imstat:::: -- position of max value (world) [maxposf]: 19:54:51.516, +50.05.26.984, I, 9.99968e+08Hz 2025-09-23 22:06:52 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:33.445, +49.53.11.924, I, 9.99968e+08Hz 2025-09-23 22:06:52 INFO imstat:::: -- Sum of pixel values [sum]: -29.9309 Jy/beam 2025-09-23 22:06:52 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 233.452 Jy/beam.Jy/beam 2025-09-23 22:06:52 INFO imstat:::: Statistics --- 2025-09-23 22:06:52 INFO imstat:::: -- Mean of the pixel values [mean]: -0.00045671 Jy/beam 2025-09-23 22:06:52 INFO imstat:::: -- Variance of the pixel values : 0.00356204 Jy/beam 2025-09-23 22:06:52 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.0596828 Jy/beam 2025-09-23 22:06:52 INFO imstat:::: -- Root mean square [rms]: 0.0596841 Jy/beam 2025-09-23 22:06:52 INFO imstat:::: -- Median of the pixel values [median]: -0.00646386 Jy/beam 2025-09-23 22:06:52 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 0.0391011 Jy/beam 2025-09-23 22:06:52 INFO imstat:::: -- IQR [quartile]: 0.0789052 Jy/beam 2025-09-23 22:06:52 INFO imstat:::: -- First quartile [q1]: -0.0432754 Jy/beam 2025-09-23 22:06:52 INFO imstat:::: -- Third quartile [q3]: 0.0356299 Jy/beam 2025-09-23 22:06:52 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:06:52 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:06:52 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:06:52 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:06:52 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:06:52 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:06:52 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 2025-09-23 22:06:52 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:06:51.641359 End time: 2025-09-23 22:06:51.659923 2025-09-23 22:06:52 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:06:52 INFO imstat::::casa ########################################## 2025-09-23 22:06:52 INFO phaseshift::::casa ########################################## 2025-09-23 22:06:52 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:06:52 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' ) 2025-09-23 22:06:52 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:06:52 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:06:52 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:06:52 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:06:52 INFO MSTransformManager::parseDataSelParams field selection is pretend 2025-09-23 22:06:52 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:06:52 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:06:52 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:06:52 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:06:52 INFO MSTransformManager::open Select data 2025-09-23 22:06:52 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:06:52 INFO MSTransformDataHandler::makeSelection 3510 out of 7020 rows are going to be considered due to the selection criteria. 2025-09-23 22:06:52 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:06:52 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 50.108888889deg' successfully parsed 2025-09-23 22:06:52 INFO phaseshift::::casa Shift phase center 2025-09-23 22:06:52 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:06:52 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:06:51.670462 End time: 2025-09-23 22:06:52.058820 2025-09-23 22:06:52 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:06:52 INFO phaseshift::::casa ########################################## 2025-09-23 22:06:52 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data.ms... 2025-09-23 22:06:52 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2025-09-23 22:06:52 INFO tclean::::casa ########################################## 2025-09-23 22:06:52 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:06:52 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 ) 2025-09-23 22:06:52 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:06:52 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:06:52 INFO SynthesisImagerVi2::selectData NRows selected : 3510 2025-09-23 22:06:52 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:06:52 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:06:52 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:06:52 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99968e+08] at [0] with increment [9.99982e+07] 2025-09-23 22:06:52 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:06:52 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 11.05 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:06:52 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:06:52 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:06:52 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:06:52 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 2025-09-23 22:06:52 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009506 2025-09-23 22:06:52 INFO task_tclean::SIImageStore::printBeamSet Beam : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg 2025-09-23 22:06:52 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:06:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:06:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 0.290316 2025-09-23 22:06:53 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:06:53 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:06:53 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.290316, over full image : 0.290316 2025-09-23 22:06:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.03697436675429344, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:06:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0369744, CycleNiter=20, Gain=0.3 2025-09-23 22:06:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->20 [20], model=0->1.38616, peakres=0.290316->0.18329, Reached cycleniter. 2025-09-23 22:06:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:06:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:06:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.180075, over full image : 0.180075 2025-09-23 22:06:53 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:06:53 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:06:53 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:06:53 INFO SIImageStore::restore Beam for chan : 0 : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg 2025-09-23 22:06:53 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'] 2025-09-23 22:06:53 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:06:52.107791 End time: 2025-09-23 22:06:52.849514 2025-09-23 22:06:53 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:06:53 INFO tclean::::casa ########################################## 2025-09-23 22:06:53 INFO imstat::::casa ########################################## 2025-09-23 22:06:53 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:06:53 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 ) 2025-09-23 22:06:53 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:06:53 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:06:53 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:06:53 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:06:53 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:06:53 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) 2025-09-23 22:06:53 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:06:53 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:06:53 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:06:53 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:06:53 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:35.817, +49.49.24.973, I, 9.99968e+08Hz 2025-09-23 22:06:53 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:03.760, +50.23.24.993, I, 9.99968e+08Hz 2025-09-23 22:06:53 INFO imstat:::: Values --- 2025-09-23 22:06:53 INFO imstat:::: -- flux density [flux]: -0.242513 Jy 2025-09-23 22:06:53 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:06:53 INFO imstat:::: -- maximum value [max]: 0.285872 Jy/beam 2025-09-23 22:06:53 INFO imstat:::: -- minimum value [min]: -0.1468 Jy/beam 2025-09-23 22:06:53 INFO imstat:::: -- position of max value (pixel) [maxpos]: [54, 120, 0, 0] 2025-09-23 22:06:53 INFO imstat:::: -- position of min value (pixel) [minpos]: [148, 28, 0, 0] 2025-09-23 22:06:53 INFO imstat:::: -- position of max value (world) [maxposf]: 19:54:51.516, +50.05.26.984, I, 9.99968e+08Hz 2025-09-23 22:06:53 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:33.445, +49.53.11.924, I, 9.99968e+08Hz 2025-09-23 22:06:53 INFO imstat:::: -- Sum of pixel values [sum]: -29.9309 Jy/beam 2025-09-23 22:06:53 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 233.452 Jy/beam.Jy/beam 2025-09-23 22:06:53 INFO imstat:::: Statistics --- 2025-09-23 22:06:53 INFO imstat:::: -- Mean of the pixel values [mean]: -0.00045671 Jy/beam 2025-09-23 22:06:53 INFO imstat:::: -- Variance of the pixel values : 0.00356204 Jy/beam 2025-09-23 22:06:53 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.0596828 Jy/beam 2025-09-23 22:06:53 INFO imstat:::: -- Root mean square [rms]: 0.0596841 Jy/beam 2025-09-23 22:06:53 INFO imstat:::: -- Median of the pixel values [median]: -0.00646386 Jy/beam 2025-09-23 22:06:53 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 0.0391011 Jy/beam 2025-09-23 22:06:53 INFO imstat:::: -- IQR [quartile]: 0.0789052 Jy/beam 2025-09-23 22:06:53 INFO imstat:::: -- First quartile [q1]: -0.0432754 Jy/beam 2025-09-23 22:06:53 INFO imstat:::: -- Third quartile [q3]: 0.0356299 Jy/beam 2025-09-23 22:06:53 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:06:53 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:06:53 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:06:53 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:06:53 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:06:53 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:06:53 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 2025-09-23 22:06:53 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:06:52.852941 End time: 2025-09-23 22:06:52.883019 2025-09-23 22:06:53 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:06:53 INFO imstat::::casa ########################################## .2025-09-23 22:06:53 INFO tclean::::casa ########################################## 2025-09-23 22:06:53 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:06:53 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 ) 2025-09-23 22:06:53 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:06:53 INFO SynthesisImagerVi2::selectData MS : sim_data.ms | [Opened in readonly mode] 2025-09-23 22:06:53 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:06:54 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_orig] : 2025-09-23 22:06:54 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_orig] : 2025-09-23 22:06:54 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:06:54 INFO SynthesisImagerVi2::defineImage Shape: [2048, 2048, 1, 1] Spectral: [9.99981e+08] at [0] with increment [1e+08] 2025-09-23 22:06:54 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_orig] with ftmachine : wprojectft 2025-09-23 22:06:54 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.3842 GB. Available mem.: 11.05 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:06:54 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:06:54 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_orig] : hogbom 2025-09-23 22:06:54 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:06:54 INFO task_tclean::WPConvFunc::findConvFunction W projection using 128 planes 2025-09-23 22:06:54 INFO task_tclean::WPConvFunc::findConvFunction Using maximum possible W = 6445.78 (wavelengths) 2025-09-23 22:06:54 INFO task_tclean::WPConvFunc::findConvFunction Typical wavelength = 0.299799 (m) 2025-09-23 22:06:54 INFO task_tclean::WPConvFunc::findConvFunction Scaling in W (at maximum W) = 0.399639 wavelengths per pixel 2025-09-23 22:07:27 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 2025-09-23 22:07:27 INFO task_tclean::WPConvFunc::findConvFunction Memory used in gridding function = 14 MB from maximum 15884 MB 2025-09-23 22:07:29 INFO task_tclean::SIImageStore::calcSensitivity [im_orig] Theoretical sensitivity (Jy/bm):0.00889437 2025-09-23 22:07:29 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.074998 2025-09-23 22:07:29 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.6975 arcsec, 77.5413 arcsec, -89.6046 deg 2025-09-23 22:07:29 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:07:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:07:32 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 4.94899 2025-09-23 22:07:32 INFO SynthesisDeconvolver::setupMask [im_orig] Initializing new mask to 1.0 for the full image 2025-09-23 22:07:32 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 % ] 2025-09-23 22:07:32 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 4.94899, over full image : 4.94899 2025-09-23 22:07:32 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.5971387624740601, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:32 INFO SDAlgorithmBase::deconvolve [im_orig] Run Hogbom minor-cycle | CycleThreshold=0.597139, CycleNiter=20, Gain=0.3 2025-09-23 22:07:33 INFO SDAlgorithmBase::deconvolve [im_orig] iters=0->7 [7], model=0->4.6028, peakres=4.94899->0.435227, Reached cyclethreshold. 2025-09-23 22:07:33 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 7 iterations. 2025-09-23 22:07:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:07:37 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.45574, over full image : 0.45574 2025-09-23 22:07:37 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 13, 'cyclethreshold': 0.05498892068862915, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:37 INFO SDAlgorithmBase::deconvolve [im_orig] Run Hogbom minor-cycle | CycleThreshold=0.0549889, CycleNiter=13, Gain=0.3 2025-09-23 22:07:38 INFO SDAlgorithmBase::deconvolve [im_orig] iters=0->7 [7], model=4.6028->5.02619, peakres=0.45574->0.0435268, Reached cyclethreshold. 2025-09-23 22:07:38 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 14 iterations. 2025-09-23 22:07:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:07:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0416506, over full image : 0.0416506 2025-09-23 22:07:42 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 6, 'cyclethreshold': 0.005025508347898722, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:42 INFO SDAlgorithmBase::deconvolve [im_orig] Run Hogbom minor-cycle | CycleThreshold=0.00502551, CycleNiter=6, Gain=0.3 2025-09-23 22:07:43 INFO SDAlgorithmBase::deconvolve [im_orig] iters=0->6 [6], model=5.02619->5.04001, peakres=0.0416506->0.0226678, Reached cycleniter. 2025-09-23 22:07:43 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:07:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:07:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.022671, over full image : 0.022671 2025-09-23 22:07:47 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:07:47 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:07:47 INFO SDAlgorithmBase::restore [im_orig] : Restoring model image. 2025-09-23 22:07:47 INFO SIImageStore::restore Beam for chan : 0 : 88.6975 arcsec, 77.5413 arcsec, -89.6046 deg 2025-09-23 22:07:48 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'] 2025-09-23 22:07:48 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:06:53.415814 End time: 2025-09-23 22:07:48.241977 2025-09-23 22:07:48 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:07:48 INFO tclean::::casa ########################################## 2025-09-23 22:07:48 INFO imstat::::casa ########################################## 2025-09-23 22:07:48 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:07:48 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 ) 2025-09-23 22:07:48 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:07:48 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:07:48 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:07:48 INFO imstat::image::statistics Determining stats for image im_orig.image 2025-09-23 22:07:48 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:07:48 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) 2025-09-23 22:07:48 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:07:48 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:07:48 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:07:48 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [2047, 2047, 0, 0] 2025-09-23 22:07:48 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 20:11:05.220, +38.21.11.967, I, 999980841.3Hz 2025-09-23 22:07:48 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:47:03.322, +42.54.02.996, I, 999980841.3Hz 2025-09-23 22:07:49 INFO imstat:::: Values --- 2025-09-23 22:07:49 INFO imstat:::: -- flux density [flux]: 5.2713 Jy 2025-09-23 22:07:49 INFO imstat:::: -- number of points [npts]: 4.1943e+06 2025-09-23 22:07:49 INFO imstat:::: -- maximum value [max]: 4.97713 Jy/beam 2025-09-23 22:07:49 INFO imstat:::: -- minimum value [min]: -0.022671 Jy/beam 2025-09-23 22:07:49 INFO imstat:::: -- position of max value (pixel) [maxpos]: [1509, 773, 0, 0] 2025-09-23 22:07:49 INFO imstat:::: -- position of min value (pixel) [minpos]: [1708, 965, 0, 0] 2025-09-23 22:07:49 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.302, +40.06.02.372, I, 999980841.3Hz 2025-09-23 22:07:49 INFO imstat:::: -- position of min value (world) [minposf]: 19:51:28.525, +40.31.07.260, I, 999980841.3Hz 2025-09-23 22:07:49 INFO imstat:::: -- Sum of pixel values [sum]: 641.87 Jy/beam 2025-09-23 22:07:49 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1619.58 Jy/beam.Jy/beam 2025-09-23 22:07:49 INFO imstat:::: Statistics --- 2025-09-23 22:07:49 INFO imstat:::: -- Mean of the pixel values [mean]: 0.000153034 Jy/beam 2025-09-23 22:07:49 INFO imstat:::: -- Variance of the pixel values : 0.000386116 Jy/beam 2025-09-23 22:07:49 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.0196498 Jy/beam 2025-09-23 22:07:49 INFO imstat:::: -- Root mean square [rms]: 0.0196504 Jy/beam 2025-09-23 22:07:49 INFO imstat:::: -- Median of the pixel values [median]: 4.62212e-06 Jy/beam 2025-09-23 22:07:49 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 0.003161 Jy/beam 2025-09-23 22:07:49 INFO imstat:::: -- IQR [quartile]: 0.00632194 Jy/beam 2025-09-23 22:07:49 INFO imstat:::: -- First quartile [q1]: -0.00315522 Jy/beam 2025-09-23 22:07:49 INFO imstat:::: -- Third quartile [q3]: 0.00316673 Jy/beam 2025-09-23 22:07:49 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:07:49 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:07:49 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:07:49 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:07:49 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:07:49 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:07:49 INFO imstat::ImageStatsCalculator::statistics 4.194304e+06 6.418700e+02 1.530337e-04 1.965042e-02 1.964982e-02 -2.267099e-02 4.977134e+00 2025-09-23 22:07:49 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:07:48.244542 End time: 2025-09-23 22:07:48.563765 2025-09-23 22:07:49 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:07:49 INFO imstat::::casa ########################################## 2025-09-23 22:07:49 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:07:49 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:07:49 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) 2025-09-23 22:07:49 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:07:49 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:07:49 2025****** 2025-09-23 22:07:49 INFO ImageFitter::fit+ 2025-09-23 22:07:49 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:07:49 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_orig.image 2025-09-23 22:07:49 INFO ImageFitter::fit+ --- region: 2025-09-23 22:07:49 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:07:49 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:07:49 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:07:49 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:07:49 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:07:49 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:07:49 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:07:49 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) 2025-09-23 22:07:49 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29832 Jy 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.00459192 Jy 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85855 Jy 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00458731 Jy 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ Fit on im_orig.image component 0 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.9885 +/- 0.0032 s (0.0367 arcsec along great circle) 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.0594 +/- 0.0281 arcsec 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ --- ra: 1509.4535 +/- 0.0046 pixels 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ --- dec: 772.7181 +/- 0.0035 pixels 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.4778 +/- 0.0014 arcmin 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.2915 +/- 0.0011 arcmin 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ --- position angle: 89.42 +/- 0.26 deg 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.70 arcsec 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.54 arcsec 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ --- position angle: -89.60 deg 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ Component is a point source 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ An upper limit on its size cannot be determined 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ --- Integrated: 5.0049 +/- 0.0079 Jy 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ --- Peak: 5.0102 +/- 0.0046 Jy/beam 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:07:49 INFO ImageFitter::_fitLoop+ --- frequency: 999.9808 MHz (29.97982 cm) 2025-09-23 22:07:49 INFO phaseshift::::casa ########################################## 2025-09-23 22:07:49 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:07:49 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' ) 2025-09-23 22:07:49 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:07:49 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:07:49 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:07:49 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:07:49 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:07:49 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:07:49 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:07:49 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:07:49 INFO MSTransformManager::open Select data 2025-09-23 22:07:49 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:07:49 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:07:49 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40d06m00' successfully parsed 2025-09-23 22:07:49 INFO phaseshift::::casa Shift phase center 2025-09-23 22:07:49 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:07:49 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:07:48.682530 End time: 2025-09-23 22:07:49.152567 2025-09-23 22:07:49 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:07:49 INFO phaseshift::::casa ########################################## 2025-09-23 22:07:49 INFO tclean::::casa ########################################## 2025-09-23 22:07:49 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:07:49 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 ) 2025-09-23 22:07:49 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:07:49 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:07:49 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:07:49 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:07:49 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:07:49 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:07:49 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:07:49 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:07:49 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:07:49 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:07:49 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:07:49 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:07:50 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:07:50 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009961 2025-09-23 22:07:50 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:07:50 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:07:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:07:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:07:50 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:07:50 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:07:50 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:07:50 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:07:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:07:50 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:07:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:07:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:07:50 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:07:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:07:50 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:07:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:07:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:07:50 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:07:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:07:50 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:07:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:07:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:07:50 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:07:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:07:50 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:07:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:07:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:07:51 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:07:51 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:07:51 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:07:51 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:07:51 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'] 2025-09-23 22:07:51 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:07:49.294504 End time: 2025-09-23 22:07:50.686803 2025-09-23 22:07:51 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:07:51 INFO tclean::::casa ########################################## 2025-09-23 22:07:51 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:07:51 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:07:51 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) 2025-09-23 22:07:51 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:07:51 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:07:51 2025****** 2025-09-23 22:07:51 INFO ImageFitter::fit+ 2025-09-23 22:07:51 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:07:51 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:07:51 INFO ImageFitter::fit+ --- region: 2025-09-23 22:07:51 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:07:51 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:07:51 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:07:51 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:07:51 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:07:51 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:07:51 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:07:51 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) 2025-09-23 22:07:51 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:07:51 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:07:51 INFO imstat::::casa ########################################## 2025-09-23 22:07:51 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:07:51 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 ) 2025-09-23 22:07:51 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:07:51 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:07:51 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:07:51 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:07:51 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:07:51 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) 2025-09-23 22:07:51 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:07:51 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:07:51 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:07:51 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:07:51 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:07:51 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:07:51 INFO imstat:::: Values --- 2025-09-23 22:07:51 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:07:51 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:07:51 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:07:51 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2025-09-23 22:07:51 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:07:51 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:07:51 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:07:51 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:07:51 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:07:51 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:07:51 INFO imstat:::: Statistics --- 2025-09-23 22:07:51 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:07:51 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:07:51 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:07:51 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:07:51 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2025-09-23 22:07:51 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2025-09-23 22:07:51 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2025-09-23 22:07:51 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2025-09-23 22:07:51 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2025-09-23 22:07:51 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:07:51 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:07:51 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:07:51 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:07:51 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:07:51 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:07:51 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777660e-05 4.999996e+00 2025-09-23 22:07:51 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:07:50.744177 End time: 2025-09-23 22:07:50.766635 2025-09-23 22:07:51 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:07:51 INFO imstat::::casa ########################################## 2025-09-23 22:07:51 INFO phaseshift::::casa ########################################## 2025-09-23 22:07:51 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:07:51 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 02:40:24.0000' ) 2025-09-23 22:07:51 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:07:51 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:07:51 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:07:51 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:07:51 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:07:51 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:07:51 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:07:51 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:07:51 INFO MSTransformManager::open Select data 2025-09-23 22:07:51 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:07:51 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:40:24.0000" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-09-23 22:07:51 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 02:40:24.0000' successfully parsed 2025-09-23 22:07:51 INFO phaseshift::::casa Shift phase center 2025-09-23 22:07:51 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:07:51 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:07:50.780776 End time: 2025-09-23 22:07:51.155389 2025-09-23 22:07:51 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:07:51 INFO phaseshift::::casa ########################################## 2025-09-23 22:07:51 INFO tclean::::casa ########################################## 2025-09-23 22:07:51 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:07:51 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 ) 2025-09-23 22:07:51 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:07:51 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:07:51 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:07:51 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:07:51 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:07:51 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:07:51 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:07:51 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:07:51 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:07:51 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:07:51 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:07:51 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:07:51 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:07:52 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.014224 2025-09-23 22:07:52 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:07:52 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:07:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:07:52 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:07:52 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:07:52 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:07:52 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:07:52 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:07:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:07:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:07:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:07:52 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:07:52 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:07:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:07:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:07:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:07:52 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:07:52 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:07:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:07:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:07:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:07:52 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:07:52 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:07:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:07:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:07:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:07:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:07:53 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:07:53 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:07:53 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:07:53 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:07:53 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'] 2025-09-23 22:07:53 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:07:51.187769 End time: 2025-09-23 22:07:52.769610 2025-09-23 22:07:53 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:07:53 INFO tclean::::casa ########################################## 2025-09-23 22:07:53 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:07:53 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:07:53 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) 2025-09-23 22:07:53 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:07:53 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:07:53 2025****** 2025-09-23 22:07:53 INFO ImageFitter::fit+ 2025-09-23 22:07:53 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:07:53 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:07:53 INFO ImageFitter::fit+ --- region: 2025-09-23 22:07:53 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:07:53 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:07:53 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:07:53 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:07:53 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:07:53 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:07:53 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:07:53 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) 2025-09-23 22:07:53 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:07:53 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:07:53 INFO imstat::::casa ########################################## 2025-09-23 22:07:53 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:07:53 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 ) 2025-09-23 22:07:53 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:07:53 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:07:53 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:07:53 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:07:53 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:07:53 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) 2025-09-23 22:07:53 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:07:53 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:07:53 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:07:53 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:07:53 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:07:53 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:07:53 INFO imstat:::: Values --- 2025-09-23 22:07:53 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:07:53 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:07:53 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:07:53 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2025-09-23 22:07:53 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:07:53 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:07:53 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:07:53 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:07:53 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:07:53 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:07:53 INFO imstat:::: Statistics --- 2025-09-23 22:07:53 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:07:53 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:07:53 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:07:53 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:07:53 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2025-09-23 22:07:53 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2025-09-23 22:07:53 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2025-09-23 22:07:53 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2025-09-23 22:07:53 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2025-09-23 22:07:53 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:07:53 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:07:53 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:07:53 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:07:53 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:07:53 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:07:53 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 2025-09-23 22:07:53 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:07:52.836151 End time: 2025-09-23 22:07:52.860858 2025-09-23 22:07:53 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:07:53 INFO imstat::::casa ########################################## 2025-09-23 22:07:53 INFO phaseshift::::casa ########################################## 2025-09-23 22:07:53 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:07:53 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40.100000000deg' ) 2025-09-23 22:07:53 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:07:53 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:07:53 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:07:53 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:07:53 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:07:53 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:07:53 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:07:53 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:07:53 INFO MSTransformManager::open Select data 2025-09-23 22:07:53 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:07:53 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:07:53 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 40.100000000deg' successfully parsed 2025-09-23 22:07:53 INFO phaseshift::::casa Shift phase center 2025-09-23 22:07:53 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:07:53 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:07:52.876132 End time: 2025-09-23 22:07:53.234384 2025-09-23 22:07:53 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:07:53 INFO phaseshift::::casa ########################################## 2025-09-23 22:07:53 INFO tclean::::casa ########################################## 2025-09-23 22:07:53 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:07:53 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 ) 2025-09-23 22:07:53 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:07:53 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:07:53 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:07:53 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:07:53 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:07:53 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:07:53 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:07:53 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:07:53 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:07:53 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:07:53 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:07:53 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:07:54 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:07:54 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009562 2025-09-23 22:07:54 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:07:54 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:07:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:07:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:07:54 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:07:54 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:07:54 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:07:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:07:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:07:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:07:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:07:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:07:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:07:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:07:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:07:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:07:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:07:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:07:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:07:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:07:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:07:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:07:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:07:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:07:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:07:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:07:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:07:55 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:07:55 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:07:55 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:07:55 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:07:55 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'] 2025-09-23 22:07:55 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:07:53.253365 End time: 2025-09-23 22:07:54.695569 2025-09-23 22:07:55 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:07:55 INFO tclean::::casa ########################################## 2025-09-23 22:07:55 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:07:55 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:07:55 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) 2025-09-23 22:07:55 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:07:55 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:07:55 2025****** 2025-09-23 22:07:55 INFO ImageFitter::fit+ 2025-09-23 22:07:55 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:07:55 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:07:55 INFO ImageFitter::fit+ --- region: 2025-09-23 22:07:55 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:07:55 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:07:55 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:07:55 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:07:55 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:07:55 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:07:55 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:07:55 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) 2025-09-23 22:07:55 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:07:55 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:07:55 INFO imstat::::casa ########################################## 2025-09-23 22:07:55 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:07:55 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 ) 2025-09-23 22:07:55 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:07:55 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:07:55 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:07:55 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:07:55 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:07:55 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) 2025-09-23 22:07:55 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:07:55 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:07:55 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:07:55 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:07:55 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:07:55 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:07:55 INFO imstat:::: Values --- 2025-09-23 22:07:55 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:07:55 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:07:55 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:07:55 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2025-09-23 22:07:55 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:07:55 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:07:55 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:07:55 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:07:55 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:07:55 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:07:55 INFO imstat:::: Statistics --- 2025-09-23 22:07:55 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:07:55 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:07:55 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:07:55 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:07:55 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2025-09-23 22:07:55 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2025-09-23 22:07:55 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2025-09-23 22:07:55 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2025-09-23 22:07:55 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2025-09-23 22:07:55 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:07:55 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:07:55 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:07:55 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:07:55 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:07:55 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:07:55 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 2025-09-23 22:07:55 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:07:54.748369 End time: 2025-09-23 22:07:54.767025 2025-09-23 22:07:55 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:07:55 INFO imstat::::casa ########################################## 2025-09-23 22:07:55 INFO phaseshift::::casa ########################################## 2025-09-23 22:07:55 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:07:55 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 0.699877030rad' ) 2025-09-23 22:07:55 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:07:55 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:07:55 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:07:55 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:07:55 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:07:55 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:07:55 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:07:55 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:07:55 INFO MSTransformManager::open Select data 2025-09-23 22:07:55 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:07:55 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:07:55 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19h53m50 0.699877030rad' successfully parsed 2025-09-23 22:07:55 INFO phaseshift::::casa Shift phase center 2025-09-23 22:07:55 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:07:55 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:07:54.779090 End time: 2025-09-23 22:07:55.124961 2025-09-23 22:07:55 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:07:55 INFO phaseshift::::casa ########################################## 2025-09-23 22:07:55 INFO tclean::::casa ########################################## 2025-09-23 22:07:55 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:07:55 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-09-23 22:07:55 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:07:55 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:07:55 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:07:55 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:07:55 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:07:55 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:07:55 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:07:55 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:07:55 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:07:55 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:07:55 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:07:55 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:07:55 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:07:55 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009659 2025-09-23 22:07:55 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:07:55 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:07:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:07:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:07:56 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:07:56 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:07:56 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:07:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:07:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:07:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:07:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:07:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:07:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:07:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:07:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:07:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:07:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:07:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:07:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:07:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:07:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:07:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:07:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:07:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:07:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:07:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:07:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:07:56 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:07:56 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:07:56 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:07:56 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:07:56 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-09-23 22:07:56 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:07:55.143370 End time: 2025-09-23 22:07:56.378591 2025-09-23 22:07:56 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:07:56 INFO tclean::::casa ########################################## 2025-09-23 22:07:56 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:07:56 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:07:56 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:07:56 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:07:56 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:07:56 2025****** 2025-09-23 22:07:56 INFO ImageFitter::fit+ 2025-09-23 22:07:56 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:07:56 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:07:56 INFO ImageFitter::fit+ --- region: 2025-09-23 22:07:56 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:07:56 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:07:56 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:07:56 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:07:56 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:07:56 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:07:56 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:07:56 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:07:56 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126486 Jy 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:07:56 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:07:56 INFO imstat::::casa ########################################## 2025-09-23 22:07:56 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:07:56 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 ) 2025-09-23 22:07:56 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:07:56 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:07:56 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:07:56 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:07:56 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:07:56 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) 2025-09-23 22:07:56 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:07:56 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:07:56 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:07:56 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:07:56 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:07:56 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:07:56 INFO imstat:::: Values --- 2025-09-23 22:07:56 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:07:56 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:07:56 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:07:56 INFO imstat:::: -- minimum value [min]: -7.77764e-05 Jy/beam 2025-09-23 22:07:56 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:07:56 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-09-23 22:07:56 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:07:56 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-09-23 22:07:56 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:07:56 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:07:56 INFO imstat:::: Statistics --- 2025-09-23 22:07:56 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:07:56 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:07:56 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:07:56 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:07:56 INFO imstat:::: -- Median of the pixel values [median]: -1.86664e-05 Jy/beam 2025-09-23 22:07:56 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2025-09-23 22:07:56 INFO imstat:::: -- IQR [quartile]: 3.56255e-05 Jy/beam 2025-09-23 22:07:56 INFO imstat:::: -- First quartile [q1]: -3.45078e-05 Jy/beam 2025-09-23 22:07:56 INFO imstat:::: -- Third quartile [q3]: 1.11764e-06 Jy/beam 2025-09-23 22:07:56 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:07:56 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:07:56 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:07:56 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:07:56 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:07:56 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:07:56 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 2025-09-23 22:07:56 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:07:56.423559 End time: 2025-09-23 22:07:56.441446 2025-09-23 22:07:56 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:07:56 INFO imstat::::casa ########################################## 2025-09-23 22:07:56 INFO phaseshift::::casa ########################################## 2025-09-23 22:07:56 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:07:56 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 19:53:50.0000 40d06m00' ) 2025-09-23 22:07:56 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:07:56 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:07:56 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:07:56 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:07:56 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:07:56 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:07:56 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:07:56 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:07:56 INFO MSTransformManager::open Select data 2025-09-23 22:07:56 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:07:57 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:07:57 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19:53:50.0000 40d06m00' successfully parsed 2025-09-23 22:07:57 INFO phaseshift::::casa Shift phase center 2025-09-23 22:07:57 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:07:57 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:07:56.453978 End time: 2025-09-23 22:07:56.865270 2025-09-23 22:07:57 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:07:57 INFO phaseshift::::casa ########################################## 2025-09-23 22:07:57 INFO tclean::::casa ########################################## 2025-09-23 22:07:57 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:07:57 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 ) 2025-09-23 22:07:57 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:07:57 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:07:57 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:07:57 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:07:57 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:07:57 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:07:57 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:07:57 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:07:57 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:07:57 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:07:57 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:07:57 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:07:57 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:07:57 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009547 2025-09-23 22:07:57 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:07:57 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:07:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:07:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:07:57 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:07:57 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:07:57 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:07:57 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:07:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:07:57 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:07:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:07:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:07:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:07:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:07:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:07:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:07:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:07:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:07:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:07:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:07:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:07:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:07:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:07:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:07:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:07:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:07:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:07:58 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:07:58 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:07:58 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:07:58 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:07:58 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-09-23 22:07:58 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:07:56.882397 End time: 2025-09-23 22:07:58.336739 2025-09-23 22:07:58 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:07:58 INFO tclean::::casa ########################################## 2025-09-23 22:07:58 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:07:58 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:07:58 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:07:58 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:07:58 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:07:58 2025****** 2025-09-23 22:07:58 INFO ImageFitter::fit+ 2025-09-23 22:07:58 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:07:58 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:07:58 INFO ImageFitter::fit+ --- region: 2025-09-23 22:07:58 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:07:58 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:07:58 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:07:58 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:07:58 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:07:58 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:07:58 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:07:58 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:07:58 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:07:58 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:07:58 INFO imstat::::casa ########################################## 2025-09-23 22:07:58 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:07:58 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:07:58 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:07:58 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:07:58 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:07:58 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:07:58 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:07:58 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-09-23 22:07:58 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:07:58 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:07:58 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:07:58 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:07:58 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:07:58 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:07:58 INFO imstat:::: Values --- 2025-09-23 22:07:58 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:07:58 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:07:58 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:07:58 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2025-09-23 22:07:58 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:07:58 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:07:58 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:07:58 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:07:58 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:07:58 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:07:58 INFO imstat:::: Statistics --- 2025-09-23 22:07:58 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:07:58 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:07:58 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:07:58 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:07:58 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2025-09-23 22:07:58 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2025-09-23 22:07:58 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2025-09-23 22:07:58 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2025-09-23 22:07:58 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2025-09-23 22:07:58 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:07:58 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:07:58 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:07:58 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:07:58 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:07:58 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:07:58 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 2025-09-23 22:07:58 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:07:58.376854 End time: 2025-09-23 22:07:58.395599 2025-09-23 22:07:58 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:07:58 INFO imstat::::casa ########################################## 2025-09-23 22:07:58 INFO phaseshift::::casa ########################################## 2025-09-23 22:07:58 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:07:58 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 02:40:24.0000' ) 2025-09-23 22:07:58 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:07:58 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:07:58 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:07:58 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:07:58 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:07:58 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:07:58 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:07:58 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:07:58 INFO MSTransformManager::open Select data 2025-09-23 22:07:58 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:07:59 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:40:24.0000" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-09-23 22:07:59 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19:53:50.0000 02:40:24.0000' successfully parsed 2025-09-23 22:07:59 INFO phaseshift::::casa Shift phase center 2025-09-23 22:07:59 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:07:59 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:07:58.407616 End time: 2025-09-23 22:07:58.813408 2025-09-23 22:07:59 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:07:59 INFO phaseshift::::casa ########################################## 2025-09-23 22:07:59 INFO tclean::::casa ########################################## 2025-09-23 22:07:59 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:07:59 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 ) 2025-09-23 22:07:59 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:07:59 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:07:59 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:07:59 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:07:59 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:07:59 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:07:59 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:07:59 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:07:59 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:07:59 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:07:59 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:07:59 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:07:59 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:07:59 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009697 2025-09-23 22:07:59 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:07:59 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:07:59 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:07:59 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:07:59 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:07:59 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:07:59 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:07:59 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:07:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:07:59 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:07:59 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:07:59 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:07:59 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:07:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:08:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:00 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:00 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:00 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:00 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:00 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'] 2025-09-23 22:08:00 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:07:58.831210 End time: 2025-09-23 22:08:00.276307 2025-09-23 22:08:00 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:00 INFO tclean::::casa ########################################## 2025-09-23 22:08:00 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:00 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:00 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) 2025-09-23 22:08:00 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:00 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:00 2025****** 2025-09-23 22:08:00 INFO ImageFitter::fit+ 2025-09-23 22:08:00 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:00 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:00 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:00 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:00 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:00 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:00 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:00 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:00 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:00 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:00 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) 2025-09-23 22:08:00 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:00 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:00 INFO imstat::::casa ########################################## 2025-09-23 22:08:00 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:00 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 ) 2025-09-23 22:08:00 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:00 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:00 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:00 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:00 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:00 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) 2025-09-23 22:08:00 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:00 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:00 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:00 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:00 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:00 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:00 INFO imstat:::: Values --- 2025-09-23 22:08:00 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:00 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:00 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:00 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2025-09-23 22:08:00 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:00 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:08:00 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:00 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:08:00 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:00 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:00 INFO imstat:::: Statistics --- 2025-09-23 22:08:00 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:00 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:00 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:00 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:00 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2025-09-23 22:08:00 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2025-09-23 22:08:00 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2025-09-23 22:08:00 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2025-09-23 22:08:00 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2025-09-23 22:08:00 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:00 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:00 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:00 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:00 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:00 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:00 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 2025-09-23 22:08:00 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:00.339087 End time: 2025-09-23 22:08:00.361889 2025-09-23 22:08:00 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:00 INFO imstat::::casa ########################################## 2025-09-23 22:08:00 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:00 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:00 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 40.100000000deg' ) 2025-09-23 22:08:00 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:00 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:00 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:00 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:00 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:00 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:00 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:00 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:00 INFO MSTransformManager::open Select data 2025-09-23 22:08:00 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:01 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:08:01 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19:53:50.0000 40.100000000deg' successfully parsed 2025-09-23 22:08:01 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:01 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:01 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:00.373621 End time: 2025-09-23 22:08:00.844783 2025-09-23 22:08:01 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:01 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:01 INFO tclean::::casa ########################################## 2025-09-23 22:08:01 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:01 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 ) 2025-09-23 22:08:01 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:01 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:01 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:01 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:01 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:01 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:01 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:01 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:01 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:01 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:01 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:01 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:01 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:01 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010148 2025-09-23 22:08:01 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:01 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:01 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:01 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:01 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:01 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:01 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:01 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:01 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:01 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:01 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:01 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:08:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:02 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:02 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:02 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:02 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:02 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'] 2025-09-23 22:08:02 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:00.862654 End time: 2025-09-23 22:08:02.134189 2025-09-23 22:08:02 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:02 INFO tclean::::casa ########################################## 2025-09-23 22:08:02 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:02 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:02 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:08:02 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:02 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:02 2025****** 2025-09-23 22:08:02 INFO ImageFitter::fit+ 2025-09-23 22:08:02 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:02 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:02 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:02 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:02 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:02 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:02 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:02 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:02 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:02 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:02 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:08:02 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:02 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:02 INFO imstat::::casa ########################################## 2025-09-23 22:08:02 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:02 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:08:02 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:02 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:02 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:02 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:02 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:02 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-09-23 22:08:02 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:02 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:02 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:02 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:02 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:02 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:02 INFO imstat:::: Values --- 2025-09-23 22:08:02 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:02 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:02 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:02 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2025-09-23 22:08:02 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:02 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:08:02 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:02 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:08:02 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:02 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:02 INFO imstat:::: Statistics --- 2025-09-23 22:08:02 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:02 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:02 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:02 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:02 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2025-09-23 22:08:02 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2025-09-23 22:08:02 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2025-09-23 22:08:02 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2025-09-23 22:08:02 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2025-09-23 22:08:02 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:02 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:02 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:02 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:02 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:02 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:02 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 2025-09-23 22:08:02 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:02.198333 End time: 2025-09-23 22:08:02.222923 2025-09-23 22:08:02 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:02 INFO imstat::::casa ########################################## 2025-09-23 22:08:02 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:02 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:02 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 0.699877030rad' ) 2025-09-23 22:08:02 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:02 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:02 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:02 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:02 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:02 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:02 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:02 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:02 INFO MSTransformManager::open Select data 2025-09-23 22:08:02 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:03 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:08:03 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 19:53:50.0000 0.699877030rad' successfully parsed 2025-09-23 22:08:03 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:03 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:03 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:02.237798 End time: 2025-09-23 22:08:02.719694 2025-09-23 22:08:03 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:03 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:03 INFO tclean::::casa ########################################## 2025-09-23 22:08:03 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:03 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 ) 2025-09-23 22:08:03 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:03 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:03 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:03 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:03 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:03 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:03 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:03 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:03 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:03 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:03 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:03 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:03 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:03 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.012153 2025-09-23 22:08:03 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:03 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:03 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:03 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:03 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:03 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:03 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:03 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:03 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:03 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:03 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:03 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:03 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:03 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:03 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:08:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:04 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:04 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:04 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:04 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:04 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'] 2025-09-23 22:08:04 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:02.739249 End time: 2025-09-23 22:08:04.150287 2025-09-23 22:08:04 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:04 INFO tclean::::casa ########################################## 2025-09-23 22:08:04 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:04 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:04 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) 2025-09-23 22:08:04 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:04 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:04 2025****** 2025-09-23 22:08:04 INFO ImageFitter::fit+ 2025-09-23 22:08:04 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:04 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:04 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:04 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:04 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:04 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:04 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:04 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:04 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:04 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:04 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) 2025-09-23 22:08:04 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126486 Jy 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:04 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:04 INFO imstat::::casa ########################################## 2025-09-23 22:08:04 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:04 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 ) 2025-09-23 22:08:04 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:04 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:04 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:04 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:04 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:04 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) 2025-09-23 22:08:04 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:04 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:04 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:04 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:04 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:04 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:04 INFO imstat:::: Values --- 2025-09-23 22:08:04 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:04 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:04 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:04 INFO imstat:::: -- minimum value [min]: -7.77764e-05 Jy/beam 2025-09-23 22:08:04 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:04 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-09-23 22:08:04 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:04 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-09-23 22:08:04 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:04 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:04 INFO imstat:::: Statistics --- 2025-09-23 22:08:04 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:04 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:04 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:04 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:04 INFO imstat:::: -- Median of the pixel values [median]: -1.86664e-05 Jy/beam 2025-09-23 22:08:04 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2025-09-23 22:08:04 INFO imstat:::: -- IQR [quartile]: 3.56255e-05 Jy/beam 2025-09-23 22:08:04 INFO imstat:::: -- First quartile [q1]: -3.45078e-05 Jy/beam 2025-09-23 22:08:04 INFO imstat:::: -- Third quartile [q3]: 1.11764e-06 Jy/beam 2025-09-23 22:08:04 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:04 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:04 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:04 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:04 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:04 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:04 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777640e-05 4.999996e+00 2025-09-23 22:08:04 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:04.207414 End time: 2025-09-23 22:08:04.229941 2025-09-23 22:08:04 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:04 INFO imstat::::casa ########################################## 2025-09-23 22:08:04 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:04 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:04 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 40d06m00' ) 2025-09-23 22:08:04 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:04 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:04 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:04 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:04 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:04 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:04 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:04 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:04 INFO MSTransformManager::open Select data 2025-09-23 22:08:04 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:04 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:08:04 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 298.458333333deg 40d06m00' successfully parsed 2025-09-23 22:08:04 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:05 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:05 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:04.243705 End time: 2025-09-23 22:08:04.684546 2025-09-23 22:08:05 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:05 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:05 INFO tclean::::casa ########################################## 2025-09-23 22:08:05 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:05 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 ) 2025-09-23 22:08:05 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:05 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:05 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:05 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:05 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:05 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:05 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:05 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:05 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:05 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:05 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:05 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:05 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:05 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.013273 2025-09-23 22:08:05 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:05 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:05 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:05 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:05 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:05 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:05 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:05 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:05 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:05 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:05 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:05 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:08:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:06 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:06 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:06 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:06 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:06 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'] 2025-09-23 22:08:06 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:04.703036 End time: 2025-09-23 22:08:06.143425 2025-09-23 22:08:06 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:06 INFO tclean::::casa ########################################## 2025-09-23 22:08:06 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:06 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:06 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) 2025-09-23 22:08:06 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:06 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:06 2025****** 2025-09-23 22:08:06 INFO ImageFitter::fit+ 2025-09-23 22:08:06 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:06 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:06 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:06 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:06 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:06 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:06 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:06 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:06 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:06 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:06 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:08:06 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:06 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:06 INFO imstat::::casa ########################################## 2025-09-23 22:08:06 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:06 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:08:06 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:06 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:06 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:06 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:06 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:06 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-09-23 22:08:06 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:06 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:06 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:06 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:06 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:06 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:06 INFO imstat:::: Values --- 2025-09-23 22:08:06 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:06 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:06 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:06 INFO imstat:::: -- minimum value [min]: -7.77758e-05 Jy/beam 2025-09-23 22:08:06 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:06 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:08:06 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:06 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:08:06 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:06 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:06 INFO imstat:::: Statistics --- 2025-09-23 22:08:06 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:06 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:06 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:06 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:06 INFO imstat:::: -- Median of the pixel values [median]: -1.86641e-05 Jy/beam 2025-09-23 22:08:06 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2025-09-23 22:08:06 INFO imstat:::: -- IQR [quartile]: 3.56208e-05 Jy/beam 2025-09-23 22:08:06 INFO imstat:::: -- First quartile [q1]: -3.45075e-05 Jy/beam 2025-09-23 22:08:06 INFO imstat:::: -- Third quartile [q3]: 1.11336e-06 Jy/beam 2025-09-23 22:08:06 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:06 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:06 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:06 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:06 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:06 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:06 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 2025-09-23 22:08:06 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:06.182641 End time: 2025-09-23 22:08:06.201197 2025-09-23 22:08:06 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:06 INFO imstat::::casa ########################################## 2025-09-23 22:08:06 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:06 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:06 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 02:40:24.0000' ) 2025-09-23 22:08:06 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:06 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:06 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:06 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:06 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:06 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:06 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:06 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:06 INFO MSTransformManager::open Select data 2025-09-23 22:08:06 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:06 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:40:24.0000" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-09-23 22:08:06 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 298.458333333deg 02:40:24.0000' successfully parsed 2025-09-23 22:08:06 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:07 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:07 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:06.212939 End time: 2025-09-23 22:08:06.657562 2025-09-23 22:08:07 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:07 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:07 INFO tclean::::casa ########################################## 2025-09-23 22:08:07 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:07 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 ) 2025-09-23 22:08:07 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:07 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:07 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:07 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:07 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:07 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:07 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:07 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:07 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:07 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:07 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:07 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:07 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:07 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.013434 2025-09-23 22:08:07 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:07 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:07 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:07 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:07 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:07 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:07 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:07 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:07 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:07 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:07 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:07 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:07 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:07 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:07 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:08 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:08 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:08 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:08 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:08 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:08 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:08:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:08 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:08 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:08 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:08 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:08 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:08 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:08 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'] 2025-09-23 22:08:08 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:06.676604 End time: 2025-09-23 22:08:08.154718 2025-09-23 22:08:08 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:08 INFO tclean::::casa ########################################## 2025-09-23 22:08:08 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:08 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:08 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) 2025-09-23 22:08:08 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:08 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:08 2025****** 2025-09-23 22:08:08 INFO ImageFitter::fit+ 2025-09-23 22:08:08 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:08 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:08 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:08 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:08 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:08 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:08 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:08 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:08 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:08 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:08 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:08:08 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:08 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:08 INFO imstat::::casa ########################################## 2025-09-23 22:08:08 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:08 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:08:08 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:08 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:08 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:08 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:08 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:08 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-09-23 22:08:08 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:08 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:08 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:08 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:08 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:08 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:08 INFO imstat:::: Values --- 2025-09-23 22:08:08 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:08 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:08 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:08 INFO imstat:::: -- minimum value [min]: -7.77758e-05 Jy/beam 2025-09-23 22:08:08 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:08 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:08:08 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:08 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:08:08 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:08 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:08 INFO imstat:::: Statistics --- 2025-09-23 22:08:08 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:08 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:08 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:08 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:08 INFO imstat:::: -- Median of the pixel values [median]: -1.86641e-05 Jy/beam 2025-09-23 22:08:08 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2025-09-23 22:08:08 INFO imstat:::: -- IQR [quartile]: 3.56208e-05 Jy/beam 2025-09-23 22:08:08 INFO imstat:::: -- First quartile [q1]: -3.45075e-05 Jy/beam 2025-09-23 22:08:08 INFO imstat:::: -- Third quartile [q3]: 1.11336e-06 Jy/beam 2025-09-23 22:08:08 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:08 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:08 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:08 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:08 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:08 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:08 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777580e-05 4.999996e+00 2025-09-23 22:08:08 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:08.195624 End time: 2025-09-23 22:08:08.214284 2025-09-23 22:08:08 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:08 INFO imstat::::casa ########################################## 2025-09-23 22:08:08 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:08 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:08 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 40.100000000deg' ) 2025-09-23 22:08:08 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:08 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:08 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:08 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:08 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:08 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:08 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:08 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:08 INFO MSTransformManager::open Select data 2025-09-23 22:08:08 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:08 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:08:08 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 298.458333333deg 40.100000000deg' successfully parsed 2025-09-23 22:08:08 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:09 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:09 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:08.226809 End time: 2025-09-23 22:08:08.676746 2025-09-23 22:08:09 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:09 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:09 INFO tclean::::casa ########################################## 2025-09-23 22:08:09 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:09 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 ) 2025-09-23 22:08:09 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:09 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:09 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:09 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:09 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:09 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:09 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:09 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:09 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:09 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:09 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:09 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:09 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:09 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.012228 2025-09-23 22:08:09 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:09 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:09 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:09 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:09 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:09 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:09 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:09 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:09 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:09 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:09 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:10 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:08:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:10 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:10 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:10 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:10 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:10 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:10 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'] 2025-09-23 22:08:10 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:08.696188 End time: 2025-09-23 22:08:10.223267 2025-09-23 22:08:10 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:10 INFO tclean::::casa ########################################## 2025-09-23 22:08:10 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:10 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:10 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) 2025-09-23 22:08:10 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:10 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:10 2025****** 2025-09-23 22:08:10 INFO ImageFitter::fit+ 2025-09-23 22:08:10 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:10 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:10 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:10 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:10 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:10 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:10 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:10 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:10 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:10 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:10 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) 2025-09-23 22:08:10 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:10 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:10 INFO imstat::::casa ########################################## 2025-09-23 22:08:10 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:10 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 ) 2025-09-23 22:08:10 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:10 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:10 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:10 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:10 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:10 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) 2025-09-23 22:08:10 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:10 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:10 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:10 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:10 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:10 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:10 INFO imstat:::: Values --- 2025-09-23 22:08:10 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:10 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:10 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:10 INFO imstat:::: -- minimum value [min]: -7.77758e-05 Jy/beam 2025-09-23 22:08:10 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:10 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:08:10 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:10 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:08:10 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:10 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:10 INFO imstat:::: Statistics --- 2025-09-23 22:08:10 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:10 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:10 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:10 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:10 INFO imstat:::: -- Median of the pixel values [median]: -1.86641e-05 Jy/beam 2025-09-23 22:08:10 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2025-09-23 22:08:10 INFO imstat:::: -- IQR [quartile]: 3.56208e-05 Jy/beam 2025-09-23 22:08:10 INFO imstat:::: -- First quartile [q1]: -3.45075e-05 Jy/beam 2025-09-23 22:08:10 INFO imstat:::: -- Third quartile [q3]: 1.11336e-06 Jy/beam 2025-09-23 22:08:10 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:10 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:10 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:10 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:10 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:10 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:10 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 2025-09-23 22:08:10 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:10.284394 End time: 2025-09-23 22:08:10.307947 2025-09-23 22:08:10 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:10 INFO imstat::::casa ########################################## 2025-09-23 22:08:10 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:10 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:10 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 0.699877030rad' ) 2025-09-23 22:08:10 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:10 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:10 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:10 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:10 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:10 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:10 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:10 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:10 INFO MSTransformManager::open Select data 2025-09-23 22:08:10 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:11 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:08:11 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 298.458333333deg 0.699877030rad' successfully parsed 2025-09-23 22:08:11 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:11 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:11 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:10.322074 End time: 2025-09-23 22:08:10.759128 2025-09-23 22:08:11 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:11 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:11 INFO tclean::::casa ########################################## 2025-09-23 22:08:11 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:11 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 ) 2025-09-23 22:08:11 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:11 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:11 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:11 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:11 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:11 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:11 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:11 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:11 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:11 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:11 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:11 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:11 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:11 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009985 2025-09-23 22:08:11 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:11 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:11 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:11 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:11 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:11 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:11 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:08:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:12 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:12 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:12 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:12 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:12 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-09-23 22:08:12 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:10.777999 End time: 2025-09-23 22:08:12.240840 2025-09-23 22:08:12 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:12 INFO tclean::::casa ########################################## 2025-09-23 22:08:12 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:12 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:12 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) 2025-09-23 22:08:12 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:12 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:12 2025****** 2025-09-23 22:08:12 INFO ImageFitter::fit+ 2025-09-23 22:08:12 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:12 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:12 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:12 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:12 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:12 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:12 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:12 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:12 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:12 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:12 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) 2025-09-23 22:08:12 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126487 Jy 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:12 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:12 INFO imstat::::casa ########################################## 2025-09-23 22:08:12 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:12 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 ) 2025-09-23 22:08:12 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:12 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:12 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:12 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:12 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:12 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) 2025-09-23 22:08:12 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:12 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:12 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:12 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:12 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:12 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:12 INFO imstat:::: Values --- 2025-09-23 22:08:12 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:12 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:12 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:12 INFO imstat:::: -- minimum value [min]: -7.77738e-05 Jy/beam 2025-09-23 22:08:12 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:12 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:08:12 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:12 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:08:12 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:12 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:12 INFO imstat:::: Statistics --- 2025-09-23 22:08:12 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:12 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:12 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:12 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:12 INFO imstat:::: -- Median of the pixel values [median]: -1.86662e-05 Jy/beam 2025-09-23 22:08:12 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73577e-05 Jy/beam 2025-09-23 22:08:12 INFO imstat:::: -- IQR [quartile]: 3.56242e-05 Jy/beam 2025-09-23 22:08:12 INFO imstat:::: -- First quartile [q1]: -3.45075e-05 Jy/beam 2025-09-23 22:08:12 INFO imstat:::: -- Third quartile [q3]: 1.11673e-06 Jy/beam 2025-09-23 22:08:12 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:12 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:12 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:12 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:12 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:12 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:12 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 2025-09-23 22:08:12 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:12.280052 End time: 2025-09-23 22:08:12.299003 2025-09-23 22:08:12 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:12 INFO imstat::::casa ########################################## 2025-09-23 22:08:12 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:12 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:12 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 5.209080597rad 40d06m00' ) 2025-09-23 22:08:12 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:12 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:12 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:12 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:12 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:12 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:12 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:12 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:12 INFO MSTransformManager::open Select data 2025-09-23 22:08:12 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:13 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:08:13 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 5.209080597rad 40d06m00' successfully parsed 2025-09-23 22:08:13 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:13 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:13 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:12.310752 End time: 2025-09-23 22:08:12.710145 2025-09-23 22:08:13 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:13 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:13 INFO tclean::::casa ########################################## 2025-09-23 22:08:13 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:13 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 ) 2025-09-23 22:08:13 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:13 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:13 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:13 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:13 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:13 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:13 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:13 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:13 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:13 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:13 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:13 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:13 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:13 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.00973 2025-09-23 22:08:13 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:13 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:13 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:13 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:13 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:13 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:13 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:14 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:14 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:14 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:08:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:14 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:14 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:14 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:14 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:14 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:14 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'] 2025-09-23 22:08:14 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:12.740432 End time: 2025-09-23 22:08:14.067791 2025-09-23 22:08:14 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:14 INFO tclean::::casa ########################################## 2025-09-23 22:08:14 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:14 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:14 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) 2025-09-23 22:08:14 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:14 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:14 2025****** 2025-09-23 22:08:14 INFO ImageFitter::fit+ 2025-09-23 22:08:14 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:14 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:14 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:14 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:14 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:14 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:14 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:14 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:14 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:14 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:14 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) 2025-09-23 22:08:14 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:14 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:14 INFO imstat::::casa ########################################## 2025-09-23 22:08:14 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:14 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 ) 2025-09-23 22:08:14 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:14 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:14 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:14 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:14 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:14 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) 2025-09-23 22:08:14 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:14 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:14 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:14 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:14 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:14 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:14 INFO imstat:::: Values --- 2025-09-23 22:08:14 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:14 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:14 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:14 INFO imstat:::: -- minimum value [min]: -7.77801e-05 Jy/beam 2025-09-23 22:08:14 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:14 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-09-23 22:08:14 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:14 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-09-23 22:08:14 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:14 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:14 INFO imstat:::: Statistics --- 2025-09-23 22:08:14 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:14 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:14 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:14 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:14 INFO imstat:::: -- Median of the pixel values [median]: -1.86723e-05 Jy/beam 2025-09-23 22:08:14 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam 2025-09-23 22:08:14 INFO imstat:::: -- IQR [quartile]: 3.55964e-05 Jy/beam 2025-09-23 22:08:14 INFO imstat:::: -- First quartile [q1]: -3.45025e-05 Jy/beam 2025-09-23 22:08:14 INFO imstat:::: -- Third quartile [q3]: 1.09391e-06 Jy/beam 2025-09-23 22:08:14 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:14 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:14 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:14 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:14 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:14 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:14 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 2025-09-23 22:08:14 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:14.106150 End time: 2025-09-23 22:08:14.125471 2025-09-23 22:08:14 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:14 INFO imstat::::casa ########################################## 2025-09-23 22:08:14 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:14 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:14 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 02:40:24.0000' ) 2025-09-23 22:08:14 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:14 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:14 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:14 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:14 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:14 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:14 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:14 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:14 INFO MSTransformManager::open Select data 2025-09-23 22:08:14 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:14 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 ".". 2025-09-23 22:08:14 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 5.209080597rad 02:40:24.0000' successfully parsed 2025-09-23 22:08:14 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:15 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:15 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:14.137413 End time: 2025-09-23 22:08:14.564346 2025-09-23 22:08:15 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:15 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:15 INFO tclean::::casa ########################################## 2025-09-23 22:08:15 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:15 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-09-23 22:08:15 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:15 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:15 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:15 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:15 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:15 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:15 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:15 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:15 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:15 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:15 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:15 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:15 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:15 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009769 2025-09-23 22:08:15 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:15 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:15 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:15 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:15 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:16 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:16 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:08:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:16 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:16 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:16 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:16 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:16 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'] 2025-09-23 22:08:16 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:14.582508 End time: 2025-09-23 22:08:16.034258 2025-09-23 22:08:16 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:16 INFO tclean::::casa ########################################## 2025-09-23 22:08:16 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:16 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:16 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) 2025-09-23 22:08:16 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:16 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:16 2025****** 2025-09-23 22:08:16 INFO ImageFitter::fit+ 2025-09-23 22:08:16 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:16 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:16 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:16 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:16 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:16 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:16 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:16 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:16 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:16 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:16 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) 2025-09-23 22:08:16 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:16 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:16 INFO imstat::::casa ########################################## 2025-09-23 22:08:16 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:16 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 ) 2025-09-23 22:08:16 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:16 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:16 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:16 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:16 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:16 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) 2025-09-23 22:08:16 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:16 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:16 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:16 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:16 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:16 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:16 INFO imstat:::: Values --- 2025-09-23 22:08:16 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:16 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:16 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:16 INFO imstat:::: -- minimum value [min]: -7.77801e-05 Jy/beam 2025-09-23 22:08:16 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:16 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-09-23 22:08:16 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:16 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-09-23 22:08:16 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:16 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:16 INFO imstat:::: Statistics --- 2025-09-23 22:08:16 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:16 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:16 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:16 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:16 INFO imstat:::: -- Median of the pixel values [median]: -1.86723e-05 Jy/beam 2025-09-23 22:08:16 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam 2025-09-23 22:08:16 INFO imstat:::: -- IQR [quartile]: 3.55964e-05 Jy/beam 2025-09-23 22:08:16 INFO imstat:::: -- First quartile [q1]: -3.45025e-05 Jy/beam 2025-09-23 22:08:16 INFO imstat:::: -- Third quartile [q3]: 1.09391e-06 Jy/beam 2025-09-23 22:08:16 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:16 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:16 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:16 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:16 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:16 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:16 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 2025-09-23 22:08:16 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:16.075086 End time: 2025-09-23 22:08:16.094676 2025-09-23 22:08:16 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:16 INFO imstat::::casa ########################################## 2025-09-23 22:08:16 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:16 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:16 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 40.100000000deg' ) 2025-09-23 22:08:16 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:16 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:16 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:16 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:16 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:16 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:16 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:16 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:16 INFO MSTransformManager::open Select data 2025-09-23 22:08:16 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:16 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:08:16 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 5.209080597rad 40.100000000deg' successfully parsed 2025-09-23 22:08:16 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:16 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:16 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:16.106436 End time: 2025-09-23 22:08:16.476733 2025-09-23 22:08:16 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:16 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:16 INFO tclean::::casa ########################################## 2025-09-23 22:08:16 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:16 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-09-23 22:08:16 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:17 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:17 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:17 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:17 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:17 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:17 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:17 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:17 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:17 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:17 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:17 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:17 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:17 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.00978 2025-09-23 22:08:17 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:17 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:17 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:17 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:17 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:08:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:18 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:18 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:18 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:18 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:18 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:18 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'] 2025-09-23 22:08:18 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:16.494812 End time: 2025-09-23 22:08:17.834652 2025-09-23 22:08:18 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:18 INFO tclean::::casa ########################################## 2025-09-23 22:08:18 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:18 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:18 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) 2025-09-23 22:08:18 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:18 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:18 2025****** 2025-09-23 22:08:18 INFO ImageFitter::fit+ 2025-09-23 22:08:18 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:18 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:18 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:18 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:18 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:18 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:18 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:18 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:18 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:18 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:18 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) 2025-09-23 22:08:18 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:18 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:18 INFO imstat::::casa ########################################## 2025-09-23 22:08:18 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:18 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 ) 2025-09-23 22:08:18 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:18 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:18 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:18 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:18 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:18 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) 2025-09-23 22:08:18 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:18 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:18 INFO imstat:::: Values --- 2025-09-23 22:08:18 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:18 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:18 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:18 INFO imstat:::: -- minimum value [min]: -7.77801e-05 Jy/beam 2025-09-23 22:08:18 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:18 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-09-23 22:08:18 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:18 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-09-23 22:08:18 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:18 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:18 INFO imstat:::: Statistics --- 2025-09-23 22:08:18 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:18 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:18 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:18 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:18 INFO imstat:::: -- Median of the pixel values [median]: -1.86723e-05 Jy/beam 2025-09-23 22:08:18 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam 2025-09-23 22:08:18 INFO imstat:::: -- IQR [quartile]: 3.55964e-05 Jy/beam 2025-09-23 22:08:18 INFO imstat:::: -- First quartile [q1]: -3.45025e-05 Jy/beam 2025-09-23 22:08:18 INFO imstat:::: -- Third quartile [q3]: 1.09391e-06 Jy/beam 2025-09-23 22:08:18 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:18 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:18 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:18 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:18 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:18 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:18 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 2025-09-23 22:08:18 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:17.905595 End time: 2025-09-23 22:08:17.932272 2025-09-23 22:08:18 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:18 INFO imstat::::casa ########################################## 2025-09-23 22:08:18 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:18 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:18 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 0.699877030rad' ) 2025-09-23 22:08:18 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:18 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:18 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:18 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:18 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:18 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:18 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:18 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:18 INFO MSTransformManager::open Select data 2025-09-23 22:08:18 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:18 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:08:18 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'J2000 5.209080597rad 0.699877030rad' successfully parsed 2025-09-23 22:08:18 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:18 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:18 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:17.947863 End time: 2025-09-23 22:08:18.382261 2025-09-23 22:08:18 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:18 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:18 INFO tclean::::casa ########################################## 2025-09-23 22:08:18 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:18 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 ) 2025-09-23 22:08:18 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:18 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:18 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:18 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:18 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:19 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:19 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:19 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:19 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:19 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:19 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:19 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:19 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:19 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009482 2025-09-23 22:08:19 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:19 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:19 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:19 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:19 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:08:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:20 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:20 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:20 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:20 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:20 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:20 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:20 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'] 2025-09-23 22:08:20 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:18.400548 End time: 2025-09-23 22:08:19.849057 2025-09-23 22:08:20 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:20 INFO tclean::::casa ########################################## 2025-09-23 22:08:20 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:20 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:20 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) 2025-09-23 22:08:20 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:20 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:20 2025****** 2025-09-23 22:08:20 INFO ImageFitter::fit+ 2025-09-23 22:08:20 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:20 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:20 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:20 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:20 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:20 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:20 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:20 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:20 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:20 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:20 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) 2025-09-23 22:08:20 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126484 Jy 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:20 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:20 INFO imstat::::casa ########################################## 2025-09-23 22:08:20 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:20 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 ) 2025-09-23 22:08:20 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:20 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:20 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:20 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:20 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:20 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) 2025-09-23 22:08:20 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:20 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:20 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:20 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:20 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:20 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:20 INFO imstat:::: Values --- 2025-09-23 22:08:20 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:20 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:20 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:20 INFO imstat:::: -- minimum value [min]: -7.77793e-05 Jy/beam 2025-09-23 22:08:20 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:20 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-09-23 22:08:20 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:20 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-09-23 22:08:20 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:20 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:20 INFO imstat:::: Statistics --- 2025-09-23 22:08:20 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:20 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:20 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:20 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:20 INFO imstat:::: -- Median of the pixel values [median]: -1.86714e-05 Jy/beam 2025-09-23 22:08:20 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73592e-05 Jy/beam 2025-09-23 22:08:20 INFO imstat:::: -- IQR [quartile]: 3.55982e-05 Jy/beam 2025-09-23 22:08:20 INFO imstat:::: -- First quartile [q1]: -3.45035e-05 Jy/beam 2025-09-23 22:08:20 INFO imstat:::: -- Third quartile [q3]: 1.09469e-06 Jy/beam 2025-09-23 22:08:20 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:20 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:20 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:20 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:20 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:20 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:20 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 2025-09-23 22:08:20 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:19.903438 End time: 2025-09-23 22:08:19.925634 2025-09-23 22:08:20 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:20 INFO imstat::::casa ########################################## 2025-09-23 22:08:20 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:20 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:20 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19h53m49.9980 40d06m0.0019' ) 2025-09-23 22:08:20 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:20 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:20 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:20 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:20 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:20 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:20 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:20 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:20 INFO MSTransformManager::open Select data 2025-09-23 22:08:20 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:20 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:08:20 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19h53m49.9980 40d06m0.0019' successfully parsed 2025-09-23 22:08:20 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:20 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:20 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:19.938950 End time: 2025-09-23 22:08:20.330831 2025-09-23 22:08:20 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:20 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:20 INFO tclean::::casa ########################################## 2025-09-23 22:08:20 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:20 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 ) 2025-09-23 22:08:20 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:20 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:20 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:20 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:20 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:21 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:21 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:21 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:21 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:21 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:21 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:21 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:21 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:21 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.012801 2025-09-23 22:08:21 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:21 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:21 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:21 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:21 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:22 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:22 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:08:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:22 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:22 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:22 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:22 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:22 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:22 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:22 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:22 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-09-23 22:08:22 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:20.361306 End time: 2025-09-23 22:08:21.869578 2025-09-23 22:08:22 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:22 INFO tclean::::casa ########################################## 2025-09-23 22:08:22 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:22 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:22 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) 2025-09-23 22:08:22 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:22 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:22 2025****** 2025-09-23 22:08:22 INFO ImageFitter::fit+ 2025-09-23 22:08:22 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:22 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:22 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:22 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:22 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:22 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:22 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:22 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:22 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:22 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:22 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) 2025-09-23 22:08:22 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:22 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:22 INFO imstat::::casa ########################################## 2025-09-23 22:08:22 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:22 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 ) 2025-09-23 22:08:22 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:22 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:22 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:22 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:22 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:22 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) 2025-09-23 22:08:22 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:22 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:22 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:22 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:22 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:22 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:22 INFO imstat:::: Values --- 2025-09-23 22:08:22 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:22 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:22 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:22 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2025-09-23 22:08:22 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:22 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:08:22 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:22 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-09-23 22:08:22 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:22 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:22 INFO imstat:::: Statistics --- 2025-09-23 22:08:22 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:22 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:22 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:22 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:22 INFO imstat:::: -- Median of the pixel values [median]: -1.86712e-05 Jy/beam 2025-09-23 22:08:22 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam 2025-09-23 22:08:22 INFO imstat:::: -- IQR [quartile]: 3.56293e-05 Jy/beam 2025-09-23 22:08:22 INFO imstat:::: -- First quartile [q1]: -3.45095e-05 Jy/beam 2025-09-23 22:08:22 INFO imstat:::: -- Third quartile [q3]: 1.1198e-06 Jy/beam 2025-09-23 22:08:22 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:22 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:22 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:22 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:22 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:22 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:22 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 2025-09-23 22:08:22 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:21.932403 End time: 2025-09-23 22:08:21.956720 2025-09-23 22:08:22 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:22 INFO imstat::::casa ########################################## 2025-09-23 22:08:22 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:22 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:22 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 02:40:24.0001' ) 2025-09-23 22:08:22 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:22 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:22 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:22 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:22 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:22 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:22 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:22 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:22 INFO MSTransformManager::open Select data 2025-09-23 22:08:22 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:22 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:40:24.0001" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-09-23 22:08:22 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19h53m49.9980 02:40:24.0001' successfully parsed 2025-09-23 22:08:22 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:22 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:22 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:21.971203 End time: 2025-09-23 22:08:22.399626 2025-09-23 22:08:22 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:22 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:22 INFO tclean::::casa ########################################## 2025-09-23 22:08:22 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:22 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 ) 2025-09-23 22:08:22 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:22 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:22 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:23 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:23 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:23 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:23 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:23 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:23 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:23 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:23 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:23 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:23 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:23 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010075 2025-09-23 22:08:23 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:23 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:23 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:23 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:23 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:08:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:24 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:24 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:24 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:24 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:24 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:24 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:24 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'] 2025-09-23 22:08:24 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:22.417610 End time: 2025-09-23 22:08:23.861377 2025-09-23 22:08:24 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:24 INFO tclean::::casa ########################################## 2025-09-23 22:08:24 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:24 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:24 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) 2025-09-23 22:08:24 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:24 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:24 2025****** 2025-09-23 22:08:24 INFO ImageFitter::fit+ 2025-09-23 22:08:24 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:24 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:24 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:24 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:24 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:24 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:24 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:24 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:24 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:24 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:24 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.996 to 19:53:46.513, +40.06.39.996) 2025-09-23 22:08:24 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116891 Jy 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126504 Jy 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999957 +/- 0.000777 arcsec 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ --- dec: 128.000047 +/- 0.000097 pixels 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:24 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:24 INFO imstat::::casa ########################################## 2025-09-23 22:08:24 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:24 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 ) 2025-09-23 22:08:24 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:24 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:24 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:24 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:24 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:24 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) 2025-09-23 22:08:24 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:24 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:24 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:24 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:24 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:24 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:24 INFO imstat:::: Values --- 2025-09-23 22:08:24 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:24 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:24 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:24 INFO imstat:::: -- minimum value [min]: -7.78094e-05 Jy/beam 2025-09-23 22:08:24 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:24 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-09-23 22:08:24 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:24 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz 2025-09-23 22:08:24 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:24 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:24 INFO imstat:::: Statistics --- 2025-09-23 22:08:24 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:24 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:24 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:24 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:24 INFO imstat:::: -- Median of the pixel values [median]: -1.86846e-05 Jy/beam 2025-09-23 22:08:24 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam 2025-09-23 22:08:24 INFO imstat:::: -- IQR [quartile]: 3.56505e-05 Jy/beam 2025-09-23 22:08:24 INFO imstat:::: -- First quartile [q1]: -3.45202e-05 Jy/beam 2025-09-23 22:08:24 INFO imstat:::: -- Third quartile [q3]: 1.13024e-06 Jy/beam 2025-09-23 22:08:24 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:24 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:24 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:24 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:24 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:24 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:24 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.780943e-05 4.999996e+00 2025-09-23 22:08:24 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:23.921466 End time: 2025-09-23 22:08:23.944585 2025-09-23 22:08:24 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:24 INFO imstat::::casa ########################################## 2025-09-23 22:08:24 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:24 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:24 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19h53m49.9980 40.100000528deg' ) 2025-09-23 22:08:24 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:24 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:24 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:24 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:24 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:24 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:24 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:24 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:24 INFO MSTransformManager::open Select data 2025-09-23 22:08:24 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:24 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:08:24 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19h53m49.9980 40.100000528deg' successfully parsed 2025-09-23 22:08:24 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:24 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:24 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:23.957691 End time: 2025-09-23 22:08:24.414555 2025-09-23 22:08:24 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:24 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:24 INFO tclean::::casa ########################################## 2025-09-23 22:08:24 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:24 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 ) 2025-09-23 22:08:24 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:24 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:24 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:25 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:25 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:25 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:25 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:25 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:25 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:25 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:25 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:25 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:25 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:25 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009747 2025-09-23 22:08:25 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:25 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:25 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:25 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:25 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:08:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:26 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:26 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:26 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:26 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:26 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'] 2025-09-23 22:08:26 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:24.433709 End time: 2025-09-23 22:08:25.799803 2025-09-23 22:08:26 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:26 INFO tclean::::casa ########################################## 2025-09-23 22:08:26 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:26 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:26 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) 2025-09-23 22:08:26 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:26 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:26 2025****** 2025-09-23 22:08:26 INFO ImageFitter::fit+ 2025-09-23 22:08:26 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:26 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:26 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:26 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:26 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:26 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:26 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:26 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:26 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:26 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:26 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) 2025-09-23 22:08:26 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116876 Jy 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:26 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:26 INFO imstat::::casa ########################################## 2025-09-23 22:08:26 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:26 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 ) 2025-09-23 22:08:26 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:26 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:26 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:26 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:26 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:26 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) 2025-09-23 22:08:26 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:26 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:26 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:26 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:26 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:26 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:26 INFO imstat:::: Values --- 2025-09-23 22:08:26 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:26 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:26 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:26 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2025-09-23 22:08:26 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:26 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:08:26 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:26 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-09-23 22:08:26 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:26 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:26 INFO imstat:::: Statistics --- 2025-09-23 22:08:26 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:26 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:26 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:26 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:26 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2025-09-23 22:08:26 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam 2025-09-23 22:08:26 INFO imstat:::: -- IQR [quartile]: 3.56311e-05 Jy/beam 2025-09-23 22:08:26 INFO imstat:::: -- First quartile [q1]: -3.45119e-05 Jy/beam 2025-09-23 22:08:26 INFO imstat:::: -- Third quartile [q3]: 1.11928e-06 Jy/beam 2025-09-23 22:08:26 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:26 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:26 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:26 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:26 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:26 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:26 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 2025-09-23 22:08:26 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:25.840441 End time: 2025-09-23 22:08:25.859832 2025-09-23 22:08:26 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:26 INFO imstat::::casa ########################################## 2025-09-23 22:08:26 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:26 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:26 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 0.699877039rad' ) 2025-09-23 22:08:26 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:26 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:26 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:26 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:26 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:26 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:26 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:26 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:26 INFO MSTransformManager::open Select data 2025-09-23 22:08:26 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:26 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:08:26 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19h53m49.9980 0.699877039rad' successfully parsed 2025-09-23 22:08:26 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:26 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:26 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:25.872047 End time: 2025-09-23 22:08:26.281660 2025-09-23 22:08:26 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:26 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:26 INFO tclean::::casa ########################################## 2025-09-23 22:08:26 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:26 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 ) 2025-09-23 22:08:26 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:26 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:26 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:26 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:26 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:26 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:26 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:26 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:26 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:26 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:26 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:26 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:27 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:27 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.014188 2025-09-23 22:08:27 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:27 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:27 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:27 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:27 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:08:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:28 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:28 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:28 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:28 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:28 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:28 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'] 2025-09-23 22:08:28 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:26.299401 End time: 2025-09-23 22:08:27.781038 2025-09-23 22:08:28 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:28 INFO tclean::::casa ########################################## 2025-09-23 22:08:28 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:28 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:28 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) 2025-09-23 22:08:28 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:28 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:28 2025****** 2025-09-23 22:08:28 INFO ImageFitter::fit+ 2025-09-23 22:08:28 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:28 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:28 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:28 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:28 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:28 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:28 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:28 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:28 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:28 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:28 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) 2025-09-23 22:08:28 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999992 +/- 0.000777 arcsec 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ --- dec: 128.000009 +/- 0.000097 pixels 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:28 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:28 INFO imstat::::casa ########################################## 2025-09-23 22:08:28 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:28 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 ) 2025-09-23 22:08:28 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:28 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:28 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:28 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:28 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:28 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) 2025-09-23 22:08:28 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:28 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:28 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:28 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:28 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:28 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:28 INFO imstat:::: Values --- 2025-09-23 22:08:28 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:28 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:28 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:28 INFO imstat:::: -- minimum value [min]: -7.77867e-05 Jy/beam 2025-09-23 22:08:28 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:28 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:08:28 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:28 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-09-23 22:08:28 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:28 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:28 INFO imstat:::: Statistics --- 2025-09-23 22:08:28 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:28 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:28 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:28 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:28 INFO imstat:::: -- Median of the pixel values [median]: -1.86761e-05 Jy/beam 2025-09-23 22:08:28 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam 2025-09-23 22:08:28 INFO imstat:::: -- IQR [quartile]: 3.56319e-05 Jy/beam 2025-09-23 22:08:28 INFO imstat:::: -- First quartile [q1]: -3.45153e-05 Jy/beam 2025-09-23 22:08:28 INFO imstat:::: -- Third quartile [q3]: 1.11659e-06 Jy/beam 2025-09-23 22:08:28 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:28 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:28 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:28 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:28 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:28 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:28 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 2025-09-23 22:08:28 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:27.833894 End time: 2025-09-23 22:08:27.859751 2025-09-23 22:08:28 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:28 INFO imstat::::casa ########################################## 2025-09-23 22:08:28 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:28 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:28 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 19:53:49.9980 40d06m0.0019' ) 2025-09-23 22:08:28 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:28 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:28 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:28 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:28 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:28 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:28 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:28 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:28 INFO MSTransformManager::open Select data 2025-09-23 22:08:28 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:28 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:08:28 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19:53:49.9980 40d06m0.0019' successfully parsed 2025-09-23 22:08:28 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:28 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:28 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:27.872850 End time: 2025-09-23 22:08:28.241599 2025-09-23 22:08:28 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:28 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:28 INFO tclean::::casa ########################################## 2025-09-23 22:08:28 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:28 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 ) 2025-09-23 22:08:28 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:28 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:28 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:28 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:28 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:28 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:28 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:28 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:28 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:28 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:28 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:28 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:29 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:29 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.012067 2025-09-23 22:08:29 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:29 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:29 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:29 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:29 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:29 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:29 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:29 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:08:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:29 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:30 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:30 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:30 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:30 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:30 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:30 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'] 2025-09-23 22:08:30 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:28.259165 End time: 2025-09-23 22:08:29.772622 2025-09-23 22:08:30 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:30 INFO tclean::::casa ########################################## 2025-09-23 22:08:30 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:30 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:30 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) 2025-09-23 22:08:30 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:30 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:30 2025****** 2025-09-23 22:08:30 INFO ImageFitter::fit+ 2025-09-23 22:08:30 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:30 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:30 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:30 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:30 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:30 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:30 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:30 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:30 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:30 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:30 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) 2025-09-23 22:08:30 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:30 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:30 INFO imstat::::casa ########################################## 2025-09-23 22:08:30 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:30 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 ) 2025-09-23 22:08:30 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:30 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:30 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:30 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:30 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:30 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) 2025-09-23 22:08:30 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:30 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:30 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:30 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:30 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:30 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:30 INFO imstat:::: Values --- 2025-09-23 22:08:30 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:30 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:30 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:30 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2025-09-23 22:08:30 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:30 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:08:30 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:30 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-09-23 22:08:30 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:30 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:30 INFO imstat:::: Statistics --- 2025-09-23 22:08:30 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:30 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:30 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:30 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:30 INFO imstat:::: -- Median of the pixel values [median]: -1.86712e-05 Jy/beam 2025-09-23 22:08:30 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam 2025-09-23 22:08:30 INFO imstat:::: -- IQR [quartile]: 3.56293e-05 Jy/beam 2025-09-23 22:08:30 INFO imstat:::: -- First quartile [q1]: -3.45095e-05 Jy/beam 2025-09-23 22:08:30 INFO imstat:::: -- Third quartile [q3]: 1.1198e-06 Jy/beam 2025-09-23 22:08:30 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:30 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:30 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:30 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:30 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:30 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:30 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 2025-09-23 22:08:30 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:29.825580 End time: 2025-09-23 22:08:29.847087 2025-09-23 22:08:30 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:30 INFO imstat::::casa ########################################## 2025-09-23 22:08:30 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:30 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:30 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 02:40:24.0001' ) 2025-09-23 22:08:30 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:30 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:30 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:30 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:30 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:30 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:30 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:30 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:30 INFO MSTransformManager::open Select data 2025-09-23 22:08:30 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:30 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:40:24.0001" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-09-23 22:08:30 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19:53:49.9980 02:40:24.0001' successfully parsed 2025-09-23 22:08:30 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:30 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:30 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:29.859097 End time: 2025-09-23 22:08:30.273202 2025-09-23 22:08:30 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:30 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:30 INFO tclean::::casa ########################################## 2025-09-23 22:08:30 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:30 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 ) 2025-09-23 22:08:30 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:30 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:30 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:30 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:30 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:30 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:30 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:30 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:30 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:30 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:30 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:30 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:31 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:31 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.01014 2025-09-23 22:08:31 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:31 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:31 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:31 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:31 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:31 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:31 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:31 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:08:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:31 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:31 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:31 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:31 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:31 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:31 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'] 2025-09-23 22:08:32 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:30.291963 End time: 2025-09-23 22:08:31.559620 2025-09-23 22:08:32 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:32 INFO tclean::::casa ########################################## 2025-09-23 22:08:32 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:32 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:32 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:08:32 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:32 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:32 2025****** 2025-09-23 22:08:32 INFO ImageFitter::fit+ 2025-09-23 22:08:32 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:32 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:32 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:32 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:32 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:32 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:32 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:32 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:32 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:32 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:32 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) 2025-09-23 22:08:32 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116891 Jy 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126504 Jy 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999957 +/- 0.000777 arcsec 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ --- dec: 128.000047 +/- 0.000097 pixels 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:32 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:32 INFO imstat::::casa ########################################## 2025-09-23 22:08:32 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:32 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:08:32 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:32 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:32 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:32 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:32 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:32 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-09-23 22:08:32 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:32 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:32 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:32 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:32 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:32 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:32 INFO imstat:::: Values --- 2025-09-23 22:08:32 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:32 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:32 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:32 INFO imstat:::: -- minimum value [min]: -7.78094e-05 Jy/beam 2025-09-23 22:08:32 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:32 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-09-23 22:08:32 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:32 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz 2025-09-23 22:08:32 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:32 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:32 INFO imstat:::: Statistics --- 2025-09-23 22:08:32 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:32 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:32 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:32 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:32 INFO imstat:::: -- Median of the pixel values [median]: -1.86846e-05 Jy/beam 2025-09-23 22:08:32 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam 2025-09-23 22:08:32 INFO imstat:::: -- IQR [quartile]: 3.56505e-05 Jy/beam 2025-09-23 22:08:32 INFO imstat:::: -- First quartile [q1]: -3.45202e-05 Jy/beam 2025-09-23 22:08:32 INFO imstat:::: -- Third quartile [q3]: 1.13024e-06 Jy/beam 2025-09-23 22:08:32 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:32 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:32 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:32 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:32 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:32 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:32 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 2025-09-23 22:08:32 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:31.602025 End time: 2025-09-23 22:08:31.621978 2025-09-23 22:08:32 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:32 INFO imstat::::casa ########################################## 2025-09-23 22:08:32 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:32 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:32 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 40.100000528deg' ) 2025-09-23 22:08:32 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:32 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:32 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:32 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:32 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:32 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:32 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:32 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:32 INFO MSTransformManager::open Select data 2025-09-23 22:08:32 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:32 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:08:32 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19:53:49.9980 40.100000528deg' successfully parsed 2025-09-23 22:08:32 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:32 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:32 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:31.633892 End time: 2025-09-23 22:08:31.979456 2025-09-23 22:08:32 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:32 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:32 INFO tclean::::casa ########################################## 2025-09-23 22:08:32 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:32 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 ) 2025-09-23 22:08:32 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:32 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:32 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:32 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:32 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:32 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:32 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:32 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:32 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:32 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:32 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:32 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:32 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:32 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010494 2025-09-23 22:08:32 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:32 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:32 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:32 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:32 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:32 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:32 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:32 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:32 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:32 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:33 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:33 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:33 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:33 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:33 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:08:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:33 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:33 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:33 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:33 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:33 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:33 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-09-23 22:08:33 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:31.998486 End time: 2025-09-23 22:08:33.230339 2025-09-23 22:08:33 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:33 INFO tclean::::casa ########################################## 2025-09-23 22:08:33 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:33 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:33 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:08:33 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:33 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:33 2025****** 2025-09-23 22:08:33 INFO ImageFitter::fit+ 2025-09-23 22:08:33 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:33 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:33 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:33 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:33 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:33 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:33 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:33 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:33 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:33 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:33 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:08:33 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116876 Jy 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:33 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:33 INFO imstat::::casa ########################################## 2025-09-23 22:08:33 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:33 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:08:33 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:33 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:33 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:33 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:33 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:33 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-09-23 22:08:33 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:33 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:33 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:33 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:33 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:33 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:33 INFO imstat:::: Values --- 2025-09-23 22:08:33 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:33 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:33 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:33 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2025-09-23 22:08:33 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:33 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:08:33 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:33 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-09-23 22:08:33 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:33 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:33 INFO imstat:::: Statistics --- 2025-09-23 22:08:33 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:33 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:33 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:33 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:33 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2025-09-23 22:08:33 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam 2025-09-23 22:08:33 INFO imstat:::: -- IQR [quartile]: 3.56311e-05 Jy/beam 2025-09-23 22:08:33 INFO imstat:::: -- First quartile [q1]: -3.45119e-05 Jy/beam 2025-09-23 22:08:33 INFO imstat:::: -- Third quartile [q3]: 1.11928e-06 Jy/beam 2025-09-23 22:08:33 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:33 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:33 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:33 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:33 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:33 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:33 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 2025-09-23 22:08:33 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:33.285862 End time: 2025-09-23 22:08:33.306033 2025-09-23 22:08:33 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:33 INFO imstat::::casa ########################################## 2025-09-23 22:08:33 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:33 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:33 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 0.699877039rad' ) 2025-09-23 22:08:33 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:33 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:33 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:33 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:33 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:33 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:33 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:33 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:33 INFO MSTransformManager::open Select data 2025-09-23 22:08:33 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:34 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:08:34 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 19:53:49.9980 0.699877039rad' successfully parsed 2025-09-23 22:08:34 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:34 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:34 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:33.318197 End time: 2025-09-23 22:08:33.690028 2025-09-23 22:08:34 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:34 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:34 INFO tclean::::casa ########################################## 2025-09-23 22:08:34 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:34 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 ) 2025-09-23 22:08:34 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:34 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:34 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:34 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:34 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:34 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:34 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:34 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:34 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:34 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:34 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:34 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:34 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:34 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.012423 2025-09-23 22:08:34 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:34 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:34 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:34 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:34 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:34 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:34 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:35 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:35 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:08:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:35 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:35 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:35 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:35 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:35 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-09-23 22:08:35 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:33.708354 End time: 2025-09-23 22:08:35.072128 2025-09-23 22:08:35 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:35 INFO tclean::::casa ########################################## 2025-09-23 22:08:35 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:35 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:35 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:08:35 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:35 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:35 2025****** 2025-09-23 22:08:35 INFO ImageFitter::fit+ 2025-09-23 22:08:35 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:35 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:35 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:35 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:35 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:35 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:35 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:35 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:35 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:35 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:35 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:08:35 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999992 +/- 0.000777 arcsec 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ --- dec: 128.000009 +/- 0.000097 pixels 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:35 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:35 INFO imstat::::casa ########################################## 2025-09-23 22:08:35 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:35 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:08:35 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:35 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:35 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:35 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:35 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:35 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-09-23 22:08:35 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:35 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:35 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:35 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:35 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:35 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:35 INFO imstat:::: Values --- 2025-09-23 22:08:35 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:35 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:35 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:35 INFO imstat:::: -- minimum value [min]: -7.77867e-05 Jy/beam 2025-09-23 22:08:35 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:35 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:08:35 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:35 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-09-23 22:08:35 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:35 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:35 INFO imstat:::: Statistics --- 2025-09-23 22:08:35 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:35 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:35 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:35 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:35 INFO imstat:::: -- Median of the pixel values [median]: -1.86761e-05 Jy/beam 2025-09-23 22:08:35 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam 2025-09-23 22:08:35 INFO imstat:::: -- IQR [quartile]: 3.56319e-05 Jy/beam 2025-09-23 22:08:35 INFO imstat:::: -- First quartile [q1]: -3.45153e-05 Jy/beam 2025-09-23 22:08:35 INFO imstat:::: -- Third quartile [q3]: 1.11659e-06 Jy/beam 2025-09-23 22:08:35 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:35 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:35 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:35 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:35 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:35 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:35 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 2025-09-23 22:08:35 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:35.114064 End time: 2025-09-23 22:08:35.133633 2025-09-23 22:08:35 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:35 INFO imstat::::casa ########################################## 2025-09-23 22:08:35 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:35 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:35 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 40d06m0.0019' ) 2025-09-23 22:08:35 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:35 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:35 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:35 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:35 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:35 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:35 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:35 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:35 INFO MSTransformManager::open Select data 2025-09-23 22:08:35 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:35 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:08:35 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 298.458325000deg 40d06m0.0019' successfully parsed 2025-09-23 22:08:35 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:36 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:36 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:35.145722 End time: 2025-09-23 22:08:35.550951 2025-09-23 22:08:36 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:36 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:36 INFO tclean::::casa ########################################## 2025-09-23 22:08:36 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:36 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 ) 2025-09-23 22:08:36 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:36 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:36 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:36 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:36 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:36 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:36 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:36 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:36 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:36 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:36 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:36 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:36 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:36 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010071 2025-09-23 22:08:36 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:36 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:36 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:36 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:36 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:36 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:36 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:37 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:37 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:37 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:37 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:37 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:08:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:37 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:37 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:37 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:37 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:37 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:37 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:37 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'] 2025-09-23 22:08:37 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:35.569168 End time: 2025-09-23 22:08:36.973602 2025-09-23 22:08:37 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:37 INFO tclean::::casa ########################################## 2025-09-23 22:08:37 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:37 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:37 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:08:37 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:37 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:37 2025****** 2025-09-23 22:08:37 INFO ImageFitter::fit+ 2025-09-23 22:08:37 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:37 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:37 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:37 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:37 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:37 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:37 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:37 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:37 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:37 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:37 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:08:37 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:37 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:37 INFO imstat::::casa ########################################## 2025-09-23 22:08:37 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:37 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:08:37 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:37 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:37 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:37 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:37 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:37 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-09-23 22:08:37 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:37 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:37 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:37 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:37 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:37 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:37 INFO imstat:::: Values --- 2025-09-23 22:08:37 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:37 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:37 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:37 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2025-09-23 22:08:37 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:37 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:08:37 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:37 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-09-23 22:08:37 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:37 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:37 INFO imstat:::: Statistics --- 2025-09-23 22:08:37 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:37 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:37 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:37 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:37 INFO imstat:::: -- Median of the pixel values [median]: -1.86712e-05 Jy/beam 2025-09-23 22:08:37 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam 2025-09-23 22:08:37 INFO imstat:::: -- IQR [quartile]: 3.56293e-05 Jy/beam 2025-09-23 22:08:37 INFO imstat:::: -- First quartile [q1]: -3.45095e-05 Jy/beam 2025-09-23 22:08:37 INFO imstat:::: -- Third quartile [q3]: 1.1198e-06 Jy/beam 2025-09-23 22:08:37 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:37 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:37 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:37 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:37 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:37 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:37 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 2025-09-23 22:08:37 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:37.045117 End time: 2025-09-23 22:08:37.075937 2025-09-23 22:08:37 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:37 INFO imstat::::casa ########################################## 2025-09-23 22:08:37 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:37 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:37 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 02:40:24.0001' ) 2025-09-23 22:08:37 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:37 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:37 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:37 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:37 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:37 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:37 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:37 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:37 INFO MSTransformManager::open Select data 2025-09-23 22:08:37 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:37 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:40:24.0001" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-09-23 22:08:37 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 298.458325000deg 02:40:24.0001' successfully parsed 2025-09-23 22:08:37 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:38 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:38 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:37.092192 End time: 2025-09-23 22:08:37.526412 2025-09-23 22:08:38 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:38 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:38 INFO tclean::::casa ########################################## 2025-09-23 22:08:38 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:38 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-09-23 22:08:38 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:38 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:38 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:38 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:38 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:38 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:38 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:38 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:38 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:38 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:38 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:38 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:38 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:38 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009655 2025-09-23 22:08:38 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:38 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:38 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:38 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:38 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:38 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:38 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:38 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:38 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:38 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:38 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:39 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:39 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:08:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:39 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:39 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:39 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:39 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:39 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:39 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:39 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:39 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'] 2025-09-23 22:08:39 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:37.563698 End time: 2025-09-23 22:08:38.851734 2025-09-23 22:08:39 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:39 INFO tclean::::casa ########################################## 2025-09-23 22:08:39 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:39 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:39 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) 2025-09-23 22:08:39 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:39 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:39 2025****** 2025-09-23 22:08:39 INFO ImageFitter::fit+ 2025-09-23 22:08:39 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:39 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:39 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:39 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:39 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:39 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:39 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:39 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:39 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:39 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:39 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) 2025-09-23 22:08:39 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116891 Jy 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126504 Jy 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999957 +/- 0.000777 arcsec 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ --- dec: 128.000047 +/- 0.000097 pixels 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:39 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:39 INFO imstat::::casa ########################################## 2025-09-23 22:08:39 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:39 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 ) 2025-09-23 22:08:39 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:39 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:39 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:39 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:39 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:39 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) 2025-09-23 22:08:39 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:39 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:39 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:39 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:39 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:39 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:39 INFO imstat:::: Values --- 2025-09-23 22:08:39 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:39 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:39 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:39 INFO imstat:::: -- minimum value [min]: -7.78094e-05 Jy/beam 2025-09-23 22:08:39 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:39 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-09-23 22:08:39 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:39 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz 2025-09-23 22:08:39 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:39 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:39 INFO imstat:::: Statistics --- 2025-09-23 22:08:39 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:39 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:39 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:39 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:39 INFO imstat:::: -- Median of the pixel values [median]: -1.86846e-05 Jy/beam 2025-09-23 22:08:39 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam 2025-09-23 22:08:39 INFO imstat:::: -- IQR [quartile]: 3.56505e-05 Jy/beam 2025-09-23 22:08:39 INFO imstat:::: -- First quartile [q1]: -3.45202e-05 Jy/beam 2025-09-23 22:08:39 INFO imstat:::: -- Third quartile [q3]: 1.13024e-06 Jy/beam 2025-09-23 22:08:39 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:39 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:39 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:39 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:39 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:39 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:39 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 2025-09-23 22:08:39 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:38.895733 End time: 2025-09-23 22:08:38.916595 2025-09-23 22:08:39 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:39 INFO imstat::::casa ########################################## 2025-09-23 22:08:39 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:39 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:39 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 40.100000528deg' ) 2025-09-23 22:08:39 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:39 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:39 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:39 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:39 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:39 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:39 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:39 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:39 INFO MSTransformManager::open Select data 2025-09-23 22:08:39 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:39 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:08:39 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 298.458325000deg 40.100000528deg' successfully parsed 2025-09-23 22:08:39 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:39 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:39 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:38.930403 End time: 2025-09-23 22:08:39.300755 2025-09-23 22:08:39 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:39 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:39 INFO tclean::::casa ########################################## 2025-09-23 22:08:39 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:39 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 ) 2025-09-23 22:08:39 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:39 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:39 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:39 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:39 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:39 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:39 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:39 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:39 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:39 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:39 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:39 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:40 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:40 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.013577 2025-09-23 22:08:40 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:40 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:40 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:40 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:40 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:40 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:40 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:40 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:40 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:40 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:40 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:40 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:08:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:40 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:41 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:41 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:41 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:41 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:41 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:41 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'] 2025-09-23 22:08:41 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:39.330742 End time: 2025-09-23 22:08:40.853207 2025-09-23 22:08:41 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:41 INFO tclean::::casa ########################################## 2025-09-23 22:08:41 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:41 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:41 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) 2025-09-23 22:08:41 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:41 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:41 2025****** 2025-09-23 22:08:41 INFO ImageFitter::fit+ 2025-09-23 22:08:41 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:41 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:41 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:41 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:41 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:41 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:41 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:41 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:41 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:41 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:41 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:08:41 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116876 Jy 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:41 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:41 INFO imstat::::casa ########################################## 2025-09-23 22:08:41 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:41 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 ) 2025-09-23 22:08:41 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:41 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:41 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:41 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:41 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:41 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) 2025-09-23 22:08:41 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:41 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:41 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:41 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:41 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:41 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:41 INFO imstat:::: Values --- 2025-09-23 22:08:41 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:41 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:41 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:41 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2025-09-23 22:08:41 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:41 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:08:41 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:41 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-09-23 22:08:41 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:41 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:41 INFO imstat:::: Statistics --- 2025-09-23 22:08:41 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:41 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:41 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:41 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:41 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2025-09-23 22:08:41 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam 2025-09-23 22:08:41 INFO imstat:::: -- IQR [quartile]: 3.56311e-05 Jy/beam 2025-09-23 22:08:41 INFO imstat:::: -- First quartile [q1]: -3.45119e-05 Jy/beam 2025-09-23 22:08:41 INFO imstat:::: -- Third quartile [q3]: 1.11928e-06 Jy/beam 2025-09-23 22:08:41 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:41 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:41 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:41 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:41 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:41 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:41 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 2025-09-23 22:08:41 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:40.909602 End time: 2025-09-23 22:08:40.932471 2025-09-23 22:08:41 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:41 INFO imstat::::casa ########################################## 2025-09-23 22:08:41 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:41 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:41 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 0.699877039rad' ) 2025-09-23 22:08:41 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:41 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:41 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:41 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:41 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:41 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:41 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:41 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:41 INFO MSTransformManager::open Select data 2025-09-23 22:08:41 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:41 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:08:41 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 298.458325000deg 0.699877039rad' successfully parsed 2025-09-23 22:08:41 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:41 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:41 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:40.945982 End time: 2025-09-23 22:08:41.357661 2025-09-23 22:08:41 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:41 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:41 INFO tclean::::casa ########################################## 2025-09-23 22:08:41 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:41 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-09-23 22:08:41 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:41 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:41 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:41 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:41 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:41 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:41 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:41 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:41 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:41 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:41 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:41 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:42 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:42 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009764 2025-09-23 22:08:42 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:42 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:42 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:42 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:42 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:42 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:42 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:42 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:42 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:42 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:42 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:42 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:08:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:42 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:43 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:43 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:43 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:43 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:43 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'] 2025-09-23 22:08:43 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:41.376363 End time: 2025-09-23 22:08:42.804960 2025-09-23 22:08:43 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:43 INFO tclean::::casa ########################################## 2025-09-23 22:08:43 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:43 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:43 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) 2025-09-23 22:08:43 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:43 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:43 2025****** 2025-09-23 22:08:43 INFO ImageFitter::fit+ 2025-09-23 22:08:43 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:43 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:43 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:43 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:43 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:43 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:43 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:43 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:43 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:43 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:43 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) 2025-09-23 22:08:43 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999992 +/- 0.000777 arcsec 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ --- dec: 128.000009 +/- 0.000097 pixels 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:43 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:43 INFO imstat::::casa ########################################## 2025-09-23 22:08:43 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:43 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 ) 2025-09-23 22:08:43 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:43 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:43 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:43 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:43 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:43 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) 2025-09-23 22:08:43 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:43 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:43 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:43 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:43 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:43 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:43 INFO imstat:::: Values --- 2025-09-23 22:08:43 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:43 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:43 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:43 INFO imstat:::: -- minimum value [min]: -7.77867e-05 Jy/beam 2025-09-23 22:08:43 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:43 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:08:43 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:43 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-09-23 22:08:43 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:43 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:43 INFO imstat:::: Statistics --- 2025-09-23 22:08:43 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:43 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:43 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:43 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:43 INFO imstat:::: -- Median of the pixel values [median]: -1.86761e-05 Jy/beam 2025-09-23 22:08:43 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam 2025-09-23 22:08:43 INFO imstat:::: -- IQR [quartile]: 3.56319e-05 Jy/beam 2025-09-23 22:08:43 INFO imstat:::: -- First quartile [q1]: -3.45153e-05 Jy/beam 2025-09-23 22:08:43 INFO imstat:::: -- Third quartile [q3]: 1.11659e-06 Jy/beam 2025-09-23 22:08:43 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:43 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:43 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:43 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:43 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:43 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:43 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285960e-03 1.524530e-01 1.521711e-01 -7.778665e-05 4.999996e+00 2025-09-23 22:08:43 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:42.851403 End time: 2025-09-23 22:08:42.881224 2025-09-23 22:08:43 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:43 INFO imstat::::casa ########################################## 2025-09-23 22:08:43 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:43 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:43 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 5.209080451rad 40d06m0.0019' ) 2025-09-23 22:08:43 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:43 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:43 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:43 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:43 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:43 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:43 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:43 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:43 INFO MSTransformManager::open Select data 2025-09-23 22:08:43 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:43 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:08:43 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 5.209080451rad 40d06m0.0019' successfully parsed 2025-09-23 22:08:43 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:43 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:43 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:42.893599 End time: 2025-09-23 22:08:43.235786 2025-09-23 22:08:43 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:43 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:43 INFO tclean::::casa ########################################## 2025-09-23 22:08:43 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:43 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-09-23 22:08:43 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:43 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:43 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:43 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:43 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:43 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:43 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:43 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:43 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:43 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:43 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:43 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:43 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:43 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009897 2025-09-23 22:08:43 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:43 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:44 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:44 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:44 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:44 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:44 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:44 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:08:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:44 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:44 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:44 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:44 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:44 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:44 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-09-23 22:08:44 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:43.253723 End time: 2025-09-23 22:08:44.469149 2025-09-23 22:08:44 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:44 INFO tclean::::casa ########################################## 2025-09-23 22:08:44 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:44 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:44 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) 2025-09-23 22:08:44 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:44 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:44 2025****** 2025-09-23 22:08:44 INFO ImageFitter::fit+ 2025-09-23 22:08:44 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:44 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:44 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:44 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:44 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:44 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:44 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:44 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:44 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:44 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:44 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) 2025-09-23 22:08:45 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116878 Jy 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126494 Jy 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ --- ra: 127.999966 +/- 0.000127 pixels 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:45 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:45 INFO imstat::::casa ########################################## 2025-09-23 22:08:45 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:45 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:08:45 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:45 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:45 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:45 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:45 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:45 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-09-23 22:08:45 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:45 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:45 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:45 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:45 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:45 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:45 INFO imstat:::: Values --- 2025-09-23 22:08:45 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:45 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:45 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:45 INFO imstat:::: -- minimum value [min]: -7.77984e-05 Jy/beam 2025-09-23 22:08:45 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:45 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:08:45 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:45 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-09-23 22:08:45 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:45 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:45 INFO imstat:::: Statistics --- 2025-09-23 22:08:45 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:45 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:45 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:45 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:45 INFO imstat:::: -- Median of the pixel values [median]: -1.86704e-05 Jy/beam 2025-09-23 22:08:45 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7365e-05 Jy/beam 2025-09-23 22:08:45 INFO imstat:::: -- IQR [quartile]: 3.56348e-05 Jy/beam 2025-09-23 22:08:45 INFO imstat:::: -- First quartile [q1]: -3.45131e-05 Jy/beam 2025-09-23 22:08:45 INFO imstat:::: -- Third quartile [q3]: 1.12172e-06 Jy/beam 2025-09-23 22:08:45 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:45 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:45 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:45 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:45 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:45 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:45 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085647e+02 9.285960e-03 1.524530e-01 1.521711e-01 -7.779843e-05 4.999996e+00 2025-09-23 22:08:45 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:44.513858 End time: 2025-09-23 22:08:44.534481 2025-09-23 22:08:45 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:45 INFO imstat::::casa ########################################## 2025-09-23 22:08:45 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:45 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:45 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 02:40:24.0001' ) 2025-09-23 22:08:45 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:45 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:45 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:45 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:45 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:45 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:45 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:45 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:45 INFO MSTransformManager::open Select data 2025-09-23 22:08:45 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:45 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 ".". 2025-09-23 22:08:45 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 5.209080451rad 02:40:24.0001' successfully parsed 2025-09-23 22:08:45 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:45 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:45 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:44.547104 End time: 2025-09-23 22:08:44.906536 2025-09-23 22:08:45 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:45 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:45 INFO tclean::::casa ########################################## 2025-09-23 22:08:45 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:45 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 ) 2025-09-23 22:08:45 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:45 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:45 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:45 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:45 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:45 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:45 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:45 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:45 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:45 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:45 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:45 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:45 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:45 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010243 2025-09-23 22:08:45 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:45 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:45 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:45 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:45 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:08:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:46 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:46 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:46 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:46 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:46 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'] 2025-09-23 22:08:46 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:44.925375 End time: 2025-09-23 22:08:46.138862 2025-09-23 22:08:46 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:46 INFO tclean::::casa ########################################## 2025-09-23 22:08:46 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:46 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:46 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) 2025-09-23 22:08:46 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:46 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:46 2025****** 2025-09-23 22:08:46 INFO ImageFitter::fit+ 2025-09-23 22:08:46 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:46 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:46 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:46 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:46 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:46 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:46 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:46 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:46 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:46 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:46 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) 2025-09-23 22:08:46 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116894 Jy 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126508 Jy 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999957 +/- 0.000777 arcsec 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ --- ra: 127.999966 +/- 0.000127 pixels 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ --- dec: 128.000047 +/- 0.000097 pixels 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:46 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:46 INFO imstat::::casa ########################################## 2025-09-23 22:08:46 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:46 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 ) 2025-09-23 22:08:46 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:46 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:46 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:46 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:46 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:46 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) 2025-09-23 22:08:46 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:46 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:46 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:46 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:46 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:46 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:46 INFO imstat:::: Values --- 2025-09-23 22:08:46 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:46 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:46 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:46 INFO imstat:::: -- minimum value [min]: -7.78076e-05 Jy/beam 2025-09-23 22:08:46 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:46 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-09-23 22:08:46 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:46 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz 2025-09-23 22:08:46 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:46 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:46 INFO imstat:::: Statistics --- 2025-09-23 22:08:46 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:46 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:46 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:46 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:46 INFO imstat:::: -- Median of the pixel values [median]: -1.86848e-05 Jy/beam 2025-09-23 22:08:46 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73951e-05 Jy/beam 2025-09-23 22:08:46 INFO imstat:::: -- IQR [quartile]: 3.56676e-05 Jy/beam 2025-09-23 22:08:46 INFO imstat:::: -- First quartile [q1]: -3.45186e-05 Jy/beam 2025-09-23 22:08:46 INFO imstat:::: -- Third quartile [q3]: 1.14894e-06 Jy/beam 2025-09-23 22:08:46 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:46 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:46 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:46 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:46 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:46 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:46 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 2025-09-23 22:08:46 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:46.180742 End time: 2025-09-23 22:08:46.202450 2025-09-23 22:08:46 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:46 INFO imstat::::casa ########################################## 2025-09-23 22:08:46 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:46 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:46 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 40.100000528deg' ) 2025-09-23 22:08:46 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:46 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:46 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:46 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:46 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:46 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:46 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:46 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:46 INFO MSTransformManager::open Select data 2025-09-23 22:08:46 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:46 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:08:46 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 5.209080451rad 40.100000528deg' successfully parsed 2025-09-23 22:08:46 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:47 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:47 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:46.214799 End time: 2025-09-23 22:08:46.560334 2025-09-23 22:08:47 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:47 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:47 INFO tclean::::casa ########################################## 2025-09-23 22:08:47 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:47 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-09-23 22:08:47 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:47 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:47 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:47 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:47 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:47 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:47 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:47 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:47 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:47 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:47 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:47 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:47 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:47 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010596 2025-09-23 22:08:47 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:47 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:47 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:47 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:47 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:08:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:48 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:48 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:48 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:48 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:48 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:48 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:48 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'] 2025-09-23 22:08:48 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:46.579463 End time: 2025-09-23 22:08:47.744553 2025-09-23 22:08:48 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:48 INFO tclean::::casa ########################################## 2025-09-23 22:08:48 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:48 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:48 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:08:48 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:48 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:48 2025****** 2025-09-23 22:08:48 INFO ImageFitter::fit+ 2025-09-23 22:08:48 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:48 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:48 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:48 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:48 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:48 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:48 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:48 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:48 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:48 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:48 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:08:48 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116882 Jy 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126496 Jy 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ --- ra: 127.999966 +/- 0.000127 pixels 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:48 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:48 INFO imstat::::casa ########################################## 2025-09-23 22:08:48 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:48 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 ) 2025-09-23 22:08:48 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:48 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:48 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:48 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:48 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:48 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) 2025-09-23 22:08:48 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:48 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:48 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:48 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:48 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:48 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:48 INFO imstat:::: Values --- 2025-09-23 22:08:48 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:48 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:48 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:48 INFO imstat:::: -- minimum value [min]: -7.77982e-05 Jy/beam 2025-09-23 22:08:48 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:48 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:08:48 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:48 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-09-23 22:08:48 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:48 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:48 INFO imstat:::: Statistics --- 2025-09-23 22:08:48 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:48 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:48 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:48 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:48 INFO imstat:::: -- Median of the pixel values [median]: -1.86711e-05 Jy/beam 2025-09-23 22:08:48 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73646e-05 Jy/beam 2025-09-23 22:08:48 INFO imstat:::: -- IQR [quartile]: 3.56367e-05 Jy/beam 2025-09-23 22:08:48 INFO imstat:::: -- First quartile [q1]: -3.45138e-05 Jy/beam 2025-09-23 22:08:48 INFO imstat:::: -- Third quartile [q3]: 1.12291e-06 Jy/beam 2025-09-23 22:08:48 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:48 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:48 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:48 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:48 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:48 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:48 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 2025-09-23 22:08:48 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:47.791175 End time: 2025-09-23 22:08:47.812547 2025-09-23 22:08:48 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:48 INFO imstat::::casa ########################################## 2025-09-23 22:08:48 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:48 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:48 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 0.699877039rad' ) 2025-09-23 22:08:48 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:48 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:48 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:48 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:48 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:48 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:48 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:48 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:48 INFO MSTransformManager::open Select data 2025-09-23 22:08:48 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:48 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:08:48 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'ICRS 5.209080451rad 0.699877039rad' successfully parsed 2025-09-23 22:08:48 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:48 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:48 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:47.824792 End time: 2025-09-23 22:08:48.227214 2025-09-23 22:08:48 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:48 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:48 INFO tclean::::casa ########################################## 2025-09-23 22:08:48 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:48 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 ) 2025-09-23 22:08:48 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:48 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:48 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:48 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:48 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:48 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:48 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:48 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:48 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:48 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:48 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:48 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:49 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:49 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.011838 2025-09-23 22:08:49 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:49 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:49 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:49 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:49 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:49 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:49 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:49 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:49 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:49 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374443277716637, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:49 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:49 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852561634033918, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:08:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:49 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:49 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:49 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:49 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:50 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:50 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'] 2025-09-23 22:08:50 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:48.245980 End time: 2025-09-23 22:08:49.637979 2025-09-23 22:08:50 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:50 INFO tclean::::casa ########################################## 2025-09-23 22:08:50 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:50 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:50 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:08:50 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:50 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:50 2025****** 2025-09-23 22:08:50 INFO ImageFitter::fit+ 2025-09-23 22:08:50 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:50 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:50 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:50 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:50 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:50 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:50 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:50 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:50 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:50 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:50 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:08:50 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116879 Jy 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126495 Jy 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999992 +/- 0.000777 arcsec 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ --- ra: 127.999966 +/- 0.000127 pixels 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ --- dec: 128.000009 +/- 0.000097 pixels 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:50 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:50 INFO imstat::::casa ########################################## 2025-09-23 22:08:50 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:50 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 ) 2025-09-23 22:08:50 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:50 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:50 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:50 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:50 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:50 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-09-23 22:08:50 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:50 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:50 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:50 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:50 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:50 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:50 INFO imstat:::: Values --- 2025-09-23 22:08:50 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:50 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:50 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:50 INFO imstat:::: -- minimum value [min]: -7.77898e-05 Jy/beam 2025-09-23 22:08:50 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:50 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:08:50 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:50 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2025-09-23 22:08:50 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:50 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:50 INFO imstat:::: Statistics --- 2025-09-23 22:08:50 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:50 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:50 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:50 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:50 INFO imstat:::: -- Median of the pixel values [median]: -1.86769e-05 Jy/beam 2025-09-23 22:08:50 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73662e-05 Jy/beam 2025-09-23 22:08:50 INFO imstat:::: -- IQR [quartile]: 3.5634e-05 Jy/beam 2025-09-23 22:08:50 INFO imstat:::: -- First quartile [q1]: -3.45153e-05 Jy/beam 2025-09-23 22:08:50 INFO imstat:::: -- Third quartile [q3]: 1.1187e-06 Jy/beam 2025-09-23 22:08:50 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:50 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:50 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:50 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:50 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:50 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:50 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 2025-09-23 22:08:50 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:49.681718 End time: 2025-09-23 22:08:49.702326 2025-09-23 22:08:50 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:50 INFO imstat::::casa ########################################## 2025-09-23 22:08:50 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:50 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:50 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 +006d21m09.7433' ) 2025-09-23 22:08:50 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:50 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:50 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:50 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:50 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:50 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:50 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:50 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:50 INFO MSTransformManager::open Select data 2025-09-23 22:08:50 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:50 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:08:50 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 05h00m21.5326 +006d21m09.7433' successfully parsed 2025-09-23 22:08:50 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:50 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:50 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:49.715328 End time: 2025-09-23 22:08:50.130001 2025-09-23 22:08:50 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:50 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:50 INFO tclean::::casa ########################################## 2025-09-23 22:08:50 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:50 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 ) 2025-09-23 22:08:50 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:50 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:50 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:50 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:50 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:50 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:50 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:50 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:50 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:50 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:50 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:50 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:50 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:50 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010336 2025-09-23 22:08:50 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:50 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:51 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:51 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:51 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:51 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:51 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:51 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:08:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:51 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:51 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:51 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:51 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:52 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:52 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'] 2025-09-23 22:08:52 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:50.159673 End time: 2025-09-23 22:08:51.624915 2025-09-23 22:08:52 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:52 INFO tclean::::casa ########################################## 2025-09-23 22:08:52 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:52 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:52 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:08:52 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:52 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:52 2025****** 2025-09-23 22:08:52 INFO ImageFitter::fit+ 2025-09-23 22:08:52 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:52 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:52 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:52 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:52 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:52 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:52 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:52 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:52 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:52 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:52 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:08:52 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116868 Jy 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126484 Jy 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:52 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:52 INFO imstat::::casa ########################################## 2025-09-23 22:08:52 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:52 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 ) 2025-09-23 22:08:52 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:52 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:52 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:52 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:52 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:52 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-09-23 22:08:52 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:52 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:52 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:52 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:52 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:52 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:52 INFO imstat:::: Values --- 2025-09-23 22:08:52 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:52 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:52 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:52 INFO imstat:::: -- minimum value [min]: -7.77795e-05 Jy/beam 2025-09-23 22:08:52 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:52 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:08:52 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:52 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:08:52 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:52 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:52 INFO imstat:::: Statistics --- 2025-09-23 22:08:52 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:52 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:52 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:52 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:52 INFO imstat:::: -- Median of the pixel values [median]: -1.86702e-05 Jy/beam 2025-09-23 22:08:52 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73612e-05 Jy/beam 2025-09-23 22:08:52 INFO imstat:::: -- IQR [quartile]: 3.56029e-05 Jy/beam 2025-09-23 22:08:52 INFO imstat:::: -- First quartile [q1]: -3.45082e-05 Jy/beam 2025-09-23 22:08:52 INFO imstat:::: -- Third quartile [q3]: 1.09472e-06 Jy/beam 2025-09-23 22:08:52 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:52 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:52 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:52 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:52 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:52 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:52 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 2025-09-23 22:08:52 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:51.693760 End time: 2025-09-23 22:08:51.719510 2025-09-23 22:08:52 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:52 INFO imstat::::casa ########################################## 2025-09-23 22:08:52 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:52 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:52 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 00:25:24.6496' ) 2025-09-23 22:08:52 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:52 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:52 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:52 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:52 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:52 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:52 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:52 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:52 INFO MSTransformManager::open Select data 2025-09-23 22:08:52 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:52 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "00:25:24.6496" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-09-23 22:08:52 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 05h00m21.5326 00:25:24.6496' successfully parsed 2025-09-23 22:08:52 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:52 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:52 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:51.734397 End time: 2025-09-23 22:08:52.142251 2025-09-23 22:08:52 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:52 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:52 INFO tclean::::casa ########################################## 2025-09-23 22:08:52 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:52 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 ) 2025-09-23 22:08:52 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:52 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:52 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:52 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:52 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:52 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:52 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:52 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:52 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:52 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:52 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:52 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:52 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:52 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.021702 2025-09-23 22:08:52 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:52 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:53 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:53 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:53 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:08:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:54 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:54 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:54 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:54 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:54 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-09-23 22:08:54 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:52.160781 End time: 2025-09-23 22:08:53.668727 2025-09-23 22:08:54 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:54 INFO tclean::::casa ########################################## 2025-09-23 22:08:54 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:54 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:54 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:08:54 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:54 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:54 2025****** 2025-09-23 22:08:54 INFO ImageFitter::fit+ 2025-09-23 22:08:54 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:54 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:54 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:54 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:54 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:54 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:54 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:54 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:54 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:54 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:54 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) 2025-09-23 22:08:54 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116907 Jy 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012652 Jy 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000038 +/- 0.000777 arcsec 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ --- ra: 127.999939 +/- 0.000127 pixels 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ --- dec: 127.999957 +/- 0.000097 pixels 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:54 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:54 INFO imstat::::casa ########################################## 2025-09-23 22:08:54 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:54 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 ) 2025-09-23 22:08:54 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:54 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:54 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:54 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:54 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:54 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz) 2025-09-23 22:08:54 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:54 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:54 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:54 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:54 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2025-09-23 22:08:54 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2025-09-23 22:08:54 INFO imstat:::: Values --- 2025-09-23 22:08:54 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:54 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:54 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:54 INFO imstat:::: -- minimum value [min]: -7.78732e-05 Jy/beam 2025-09-23 22:08:54 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:54 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:08:54 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:54 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:08:54 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:54 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:54 INFO imstat:::: Statistics --- 2025-09-23 22:08:54 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:54 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:54 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:54 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:54 INFO imstat:::: -- Median of the pixel values [median]: -1.86516e-05 Jy/beam 2025-09-23 22:08:54 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73802e-05 Jy/beam 2025-09-23 22:08:54 INFO imstat:::: -- IQR [quartile]: 3.56959e-05 Jy/beam 2025-09-23 22:08:54 INFO imstat:::: -- First quartile [q1]: -3.45348e-05 Jy/beam 2025-09-23 22:08:54 INFO imstat:::: -- Third quartile [q3]: 1.16101e-06 Jy/beam 2025-09-23 22:08:54 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:54 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:54 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:54 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:54 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:54 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:54 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 2025-09-23 22:08:54 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:53.710276 End time: 2025-09-23 22:08:53.729824 2025-09-23 22:08:54 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:54 INFO imstat::::casa ########################################## 2025-09-23 22:08:54 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:54 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:54 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 6.352706472deg' ) 2025-09-23 22:08:54 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:54 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:54 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:54 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:54 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:54 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:54 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:54 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:54 INFO MSTransformManager::open Select data 2025-09-23 22:08:54 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:54 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:08:54 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 05h00m21.5326 6.352706472deg' successfully parsed 2025-09-23 22:08:54 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:54 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:54 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:53.741566 End time: 2025-09-23 22:08:54.088688 2025-09-23 22:08:54 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:54 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:54 INFO tclean::::casa ########################################## 2025-09-23 22:08:54 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:54 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 ) 2025-09-23 22:08:54 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:54 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:54 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:54 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:54 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:54 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:54 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:54 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:54 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:54 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:54 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:54 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:54 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:54 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.00959 2025-09-23 22:08:54 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:54 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:55 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:55 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:55 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:55 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:55 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:55 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:55 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:55 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:55 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:55 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:08:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:55 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:55 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:55 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:55 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:55 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:55 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'] 2025-09-23 22:08:55 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:54.106852 End time: 2025-09-23 22:08:55.257369 2025-09-23 22:08:55 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:55 INFO tclean::::casa ########################################## 2025-09-23 22:08:55 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:55 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:55 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) 2025-09-23 22:08:55 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:55 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:55 2025****** 2025-09-23 22:08:55 INFO ImageFitter::fit+ 2025-09-23 22:08:55 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:55 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:55 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:55 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:55 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:55 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:55 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:55 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:55 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:55 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:55 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:08:55 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116872 Jy 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126486 Jy 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:55 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:55 INFO imstat::::casa ########################################## 2025-09-23 22:08:55 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:55 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:08:55 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:55 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:55 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:55 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:55 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:55 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) 2025-09-23 22:08:55 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:55 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:55 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:55 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:55 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:55 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:55 INFO imstat:::: Values --- 2025-09-23 22:08:55 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:55 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:55 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:55 INFO imstat:::: -- minimum value [min]: -7.7777e-05 Jy/beam 2025-09-23 22:08:55 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:55 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:08:55 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:55 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:08:55 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:55 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:55 INFO imstat:::: Statistics --- 2025-09-23 22:08:55 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:55 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:55 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:55 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:55 INFO imstat:::: -- Median of the pixel values [median]: -1.86705e-05 Jy/beam 2025-09-23 22:08:55 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7361e-05 Jy/beam 2025-09-23 22:08:55 INFO imstat:::: -- IQR [quartile]: 3.56027e-05 Jy/beam 2025-09-23 22:08:55 INFO imstat:::: -- First quartile [q1]: -3.45074e-05 Jy/beam 2025-09-23 22:08:55 INFO imstat:::: -- Third quartile [q3]: 1.09529e-06 Jy/beam 2025-09-23 22:08:55 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:55 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:55 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:55 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:55 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:55 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:55 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 2025-09-23 22:08:55 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:55.297333 End time: 2025-09-23 22:08:55.317269 2025-09-23 22:08:55 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:55 INFO imstat::::casa ########################################## 2025-09-23 22:08:55 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:55 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:55 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 0.110875644rad' ) 2025-09-23 22:08:55 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:55 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:55 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:55 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:55 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:55 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:55 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:55 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:55 INFO MSTransformManager::open Select data 2025-09-23 22:08:55 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:56 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:08:56 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 05h00m21.5326 0.110875644rad' successfully parsed 2025-09-23 22:08:56 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:56 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:56 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:55.328750 End time: 2025-09-23 22:08:55.700152 2025-09-23 22:08:56 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:56 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:56 INFO tclean::::casa ########################################## 2025-09-23 22:08:56 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:56 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 ) 2025-09-23 22:08:56 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:56 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:56 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:56 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:56 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:56 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:56 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:56 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:56 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:56 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:56 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:56 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:56 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:56 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010317 2025-09-23 22:08:56 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:56 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:56 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:56 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:56 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:57 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:57 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:57 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:08:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:57 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:57 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:57 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:57 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:57 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:57 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'] 2025-09-23 22:08:57 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:55.718479 End time: 2025-09-23 22:08:57.062378 2025-09-23 22:08:57 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:57 INFO tclean::::casa ########################################## 2025-09-23 22:08:57 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:57 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:57 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) 2025-09-23 22:08:57 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:57 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:57 2025****** 2025-09-23 22:08:57 INFO ImageFitter::fit+ 2025-09-23 22:08:57 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:57 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:57 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:57 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:57 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:57 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:57 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:57 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:57 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:57 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:57 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) 2025-09-23 22:08:57 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ --- ra: 128.000012 +/- 0.000127 pixels 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:57 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:57 INFO imstat::::casa ########################################## 2025-09-23 22:08:57 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:57 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 ) 2025-09-23 22:08:57 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:57 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:57 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:57 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:57 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:57 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) 2025-09-23 22:08:57 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:57 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:57 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:57 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:57 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:57 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:57 INFO imstat:::: Values --- 2025-09-23 22:08:57 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:57 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:57 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:57 INFO imstat:::: -- minimum value [min]: -7.77849e-05 Jy/beam 2025-09-23 22:08:57 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:57 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-09-23 22:08:57 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:57 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-09-23 22:08:57 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:57 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:57 INFO imstat:::: Statistics --- 2025-09-23 22:08:57 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:57 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:57 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:57 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:57 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2025-09-23 22:08:57 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73549e-05 Jy/beam 2025-09-23 22:08:57 INFO imstat:::: -- IQR [quartile]: 3.56016e-05 Jy/beam 2025-09-23 22:08:57 INFO imstat:::: -- First quartile [q1]: -3.45087e-05 Jy/beam 2025-09-23 22:08:57 INFO imstat:::: -- Third quartile [q3]: 1.0929e-06 Jy/beam 2025-09-23 22:08:57 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:57 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:57 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:57 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:57 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:57 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:57 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 2025-09-23 22:08:57 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:57.106171 End time: 2025-09-23 22:08:57.127473 2025-09-23 22:08:57 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:57 INFO imstat::::casa ########################################## 2025-09-23 22:08:57 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:57 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:57 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 05:00:21.5326 +006d21m09.7433' ) 2025-09-23 22:08:57 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:57 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:57 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:57 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:57 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:57 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:57 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:57 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:57 INFO MSTransformManager::open Select data 2025-09-23 22:08:57 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:57 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:08:57 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 05:00:21.5326 +006d21m09.7433' successfully parsed 2025-09-23 22:08:57 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:58 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:58 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:57.140413 End time: 2025-09-23 22:08:57.562668 2025-09-23 22:08:58 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:58 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:58 INFO tclean::::casa ########################################## 2025-09-23 22:08:58 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:58 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 ) 2025-09-23 22:08:58 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:58 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:58 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:58 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:58 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:58 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:58 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:58 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:58 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:58 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:58 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:58 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:08:58 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:08:58 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010027 2025-09-23 22:08:58 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:58 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:08:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:08:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:08:58 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:08:58 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:08:58 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:08:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:08:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:08:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:08:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:08:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:08:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:08:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:08:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:08:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:08:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:08:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:08:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:08:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:08:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:08:59 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:08:59 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:08:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:08:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:08:59 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:08:59 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:08:59 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:08:59 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:08:59 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:08:59 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:08:59 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:08:59 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'] 2025-09-23 22:08:59 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:57.581303 End time: 2025-09-23 22:08:58.893819 2025-09-23 22:08:59 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:08:59 INFO tclean::::casa ########################################## 2025-09-23 22:08:59 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:08:59 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:59 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) 2025-09-23 22:08:59 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:08:59 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:08:59 2025****** 2025-09-23 22:08:59 INFO ImageFitter::fit+ 2025-09-23 22:08:59 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:08:59 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:08:59 INFO ImageFitter::fit+ --- region: 2025-09-23 22:08:59 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:08:59 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:08:59 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:08:59 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:08:59 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:08:59 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:08:59 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:59 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) 2025-09-23 22:08:59 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116868 Jy 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126484 Jy 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:08:59 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:08:59 INFO imstat::::casa ########################################## 2025-09-23 22:08:59 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:08:59 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 ) 2025-09-23 22:08:59 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:08:59 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:08:59 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:08:59 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:08:59 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:08:59 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) 2025-09-23 22:08:59 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:08:59 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:08:59 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:08:59 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:08:59 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:08:59 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:08:59 INFO imstat:::: Values --- 2025-09-23 22:08:59 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:08:59 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:08:59 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:08:59 INFO imstat:::: -- minimum value [min]: -7.77795e-05 Jy/beam 2025-09-23 22:08:59 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:08:59 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:08:59 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:08:59 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:08:59 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:08:59 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:08:59 INFO imstat:::: Statistics --- 2025-09-23 22:08:59 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:08:59 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:08:59 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:08:59 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:08:59 INFO imstat:::: -- Median of the pixel values [median]: -1.86702e-05 Jy/beam 2025-09-23 22:08:59 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73612e-05 Jy/beam 2025-09-23 22:08:59 INFO imstat:::: -- IQR [quartile]: 3.56029e-05 Jy/beam 2025-09-23 22:08:59 INFO imstat:::: -- First quartile [q1]: -3.45082e-05 Jy/beam 2025-09-23 22:08:59 INFO imstat:::: -- Third quartile [q3]: 1.09472e-06 Jy/beam 2025-09-23 22:08:59 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:08:59 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:08:59 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:08:59 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:08:59 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:08:59 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:08:59 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 2025-09-23 22:08:59 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:08:58.961456 End time: 2025-09-23 22:08:58.987397 2025-09-23 22:08:59 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:08:59 INFO imstat::::casa ########################################## 2025-09-23 22:08:59 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:59 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:08:59 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 05:00:21.5326 00:25:24.6496' ) 2025-09-23 22:08:59 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:08:59 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:08:59 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:08:59 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:08:59 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:08:59 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:08:59 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:08:59 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:08:59 INFO MSTransformManager::open Select data 2025-09-23 22:08:59 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:08:59 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "00:25:24.6496" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-09-23 22:08:59 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 05:00:21.5326 00:25:24.6496' successfully parsed 2025-09-23 22:08:59 INFO phaseshift::::casa Shift phase center 2025-09-23 22:08:59 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:08:59 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:08:59.002417 End time: 2025-09-23 22:08:59.355507 2025-09-23 22:08:59 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:08:59 INFO phaseshift::::casa ########################################## 2025-09-23 22:08:59 INFO tclean::::casa ########################################## 2025-09-23 22:08:59 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:08:59 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 ) 2025-09-23 22:08:59 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:08:59 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:08:59 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:08:59 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:59 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:08:59 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:08:59 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:08:59 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:08:59 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:08:59 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:08:59 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:08:59 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:00 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:00 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.00986 2025-09-23 22:09:00 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:00 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:00 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:00 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:00 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:09:01 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:01 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:01 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:01 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:01 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:01 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:01 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:01 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:01 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'] 2025-09-23 22:09:01 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:08:59.373301 End time: 2025-09-23 22:09:00.805012 2025-09-23 22:09:01 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:01 INFO tclean::::casa ########################################## 2025-09-23 22:09:01 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:01 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:01 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) 2025-09-23 22:09:01 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:01 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:01 2025****** 2025-09-23 22:09:01 INFO ImageFitter::fit+ 2025-09-23 22:09:01 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:01 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:01 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:01 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:01 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:01 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:01 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:01 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:01 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:01 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:01 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) 2025-09-23 22:09:01 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116907 Jy 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012652 Jy 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000038 +/- 0.000777 arcsec 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ --- ra: 127.999939 +/- 0.000127 pixels 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ --- dec: 127.999957 +/- 0.000097 pixels 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:01 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:01 INFO imstat::::casa ########################################## 2025-09-23 22:09:01 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:01 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 ) 2025-09-23 22:09:01 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:01 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:01 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:01 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:01 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:01 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) 2025-09-23 22:09:01 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:01 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:01 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:01 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:01 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2025-09-23 22:09:01 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2025-09-23 22:09:01 INFO imstat:::: Values --- 2025-09-23 22:09:01 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:01 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:01 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:01 INFO imstat:::: -- minimum value [min]: -7.78732e-05 Jy/beam 2025-09-23 22:09:01 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:01 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:09:01 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:01 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:09:01 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:01 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:01 INFO imstat:::: Statistics --- 2025-09-23 22:09:01 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:01 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:01 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:01 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:01 INFO imstat:::: -- Median of the pixel values [median]: -1.86516e-05 Jy/beam 2025-09-23 22:09:01 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73802e-05 Jy/beam 2025-09-23 22:09:01 INFO imstat:::: -- IQR [quartile]: 3.56959e-05 Jy/beam 2025-09-23 22:09:01 INFO imstat:::: -- First quartile [q1]: -3.45348e-05 Jy/beam 2025-09-23 22:09:01 INFO imstat:::: -- Third quartile [q3]: 1.16101e-06 Jy/beam 2025-09-23 22:09:01 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:01 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:01 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:01 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:01 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:01 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:01 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 2025-09-23 22:09:01 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:00.846627 End time: 2025-09-23 22:09:00.866864 2025-09-23 22:09:01 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:01 INFO imstat::::casa ########################################## 2025-09-23 22:09:01 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:01 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:01 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 6.352706472deg' ) 2025-09-23 22:09:01 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:01 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:01 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:01 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:01 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:01 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:01 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:01 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:01 INFO MSTransformManager::open Select data 2025-09-23 22:09:01 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:01 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:09:01 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 05:00:21.5326 6.352706472deg' successfully parsed 2025-09-23 22:09:01 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:01 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:01 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:00.879569 End time: 2025-09-23 22:09:01.264059 2025-09-23 22:09:01 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:01 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:01 INFO tclean::::casa ########################################## 2025-09-23 22:09:01 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:01 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 ) 2025-09-23 22:09:01 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:01 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:01 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:01 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:01 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:01 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:01 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:01 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:01 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:01 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:01 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:01 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:02 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:02 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010621 2025-09-23 22:09:02 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:02 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:02 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:02 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:02 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:09:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:02 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:02 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:02 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:02 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:02 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'] 2025-09-23 22:09:03 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:01.282685 End time: 2025-09-23 22:09:02.537363 2025-09-23 22:09:03 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:03 INFO tclean::::casa ########################################## 2025-09-23 22:09:03 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:03 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:03 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:09:03 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:03 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:03 2025****** 2025-09-23 22:09:03 INFO ImageFitter::fit+ 2025-09-23 22:09:03 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:03 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:03 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:03 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:03 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:03 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:03 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:03 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:03 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:03 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:03 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:09:03 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116872 Jy 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126486 Jy 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:03 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:03 INFO imstat::::casa ########################################## 2025-09-23 22:09:03 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:03 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:09:03 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:03 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:03 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:03 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:03 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:03 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-09-23 22:09:03 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:03 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:03 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:03 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:03 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:09:03 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:09:03 INFO imstat:::: Values --- 2025-09-23 22:09:03 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:03 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:03 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:03 INFO imstat:::: -- minimum value [min]: -7.7777e-05 Jy/beam 2025-09-23 22:09:03 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:03 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:09:03 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:03 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:09:03 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:03 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:03 INFO imstat:::: Statistics --- 2025-09-23 22:09:03 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:03 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:03 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:03 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:03 INFO imstat:::: -- Median of the pixel values [median]: -1.86705e-05 Jy/beam 2025-09-23 22:09:03 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7361e-05 Jy/beam 2025-09-23 22:09:03 INFO imstat:::: -- IQR [quartile]: 3.56027e-05 Jy/beam 2025-09-23 22:09:03 INFO imstat:::: -- First quartile [q1]: -3.45074e-05 Jy/beam 2025-09-23 22:09:03 INFO imstat:::: -- Third quartile [q3]: 1.09529e-06 Jy/beam 2025-09-23 22:09:03 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:03 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:03 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:03 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:03 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:03 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:03 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 2025-09-23 22:09:03 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:02.578003 End time: 2025-09-23 22:09:02.598414 2025-09-23 22:09:03 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:03 INFO imstat::::casa ########################################## 2025-09-23 22:09:03 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:03 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:03 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 0.110875644rad' ) 2025-09-23 22:09:03 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:03 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:03 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:03 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:03 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:03 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:03 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:03 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:03 INFO MSTransformManager::open Select data 2025-09-23 22:09:03 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:03 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:09:03 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 05:00:21.5326 0.110875644rad' successfully parsed 2025-09-23 22:09:03 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:03 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:03 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:02.610600 End time: 2025-09-23 22:09:02.998450 2025-09-23 22:09:03 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:03 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:03 INFO tclean::::casa ########################################## 2025-09-23 22:09:03 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:03 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 ) 2025-09-23 22:09:03 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:03 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:03 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:03 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:03 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:03 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:03 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:03 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:03 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:03 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:03 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:03 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:03 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:03 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.013759 2025-09-23 22:09:03 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:03 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:03 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:04 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:04 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:04 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:09:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:04 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:04 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:04 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:04 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:04 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'] 2025-09-23 22:09:05 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:03.016606 End time: 2025-09-23 22:09:04.557785 2025-09-23 22:09:05 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:05 INFO tclean::::casa ########################################## 2025-09-23 22:09:05 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:05 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:05 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) 2025-09-23 22:09:05 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:05 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:05 2025****** 2025-09-23 22:09:05 INFO ImageFitter::fit+ 2025-09-23 22:09:05 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:05 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:05 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:05 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:05 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:05 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:05 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:05 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:05 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:05 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:05 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) 2025-09-23 22:09:05 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ --- ra: 128.000012 +/- 0.000127 pixels 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:05 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:05 INFO imstat::::casa ########################################## 2025-09-23 22:09:05 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:05 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 ) 2025-09-23 22:09:05 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:05 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:05 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:05 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:05 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:05 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) 2025-09-23 22:09:05 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:05 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:05 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:05 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:05 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:09:05 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:09:05 INFO imstat:::: Values --- 2025-09-23 22:09:05 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:05 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:05 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:05 INFO imstat:::: -- minimum value [min]: -7.77849e-05 Jy/beam 2025-09-23 22:09:05 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:05 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-09-23 22:09:05 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:05 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-09-23 22:09:05 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:05 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:05 INFO imstat:::: Statistics --- 2025-09-23 22:09:05 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:05 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:05 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:05 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:05 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2025-09-23 22:09:05 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73549e-05 Jy/beam 2025-09-23 22:09:05 INFO imstat:::: -- IQR [quartile]: 3.56016e-05 Jy/beam 2025-09-23 22:09:05 INFO imstat:::: -- First quartile [q1]: -3.45087e-05 Jy/beam 2025-09-23 22:09:05 INFO imstat:::: -- Third quartile [q3]: 1.0929e-06 Jy/beam 2025-09-23 22:09:05 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:05 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:05 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:05 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:05 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:05 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:05 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 2025-09-23 22:09:05 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:04.624794 End time: 2025-09-23 22:09:04.651187 2025-09-23 22:09:05 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:05 INFO imstat::::casa ########################################## 2025-09-23 22:09:05 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:05 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:05 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg +006d21m09.7433' ) 2025-09-23 22:09:05 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:05 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:05 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:05 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:05 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:05 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:05 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:05 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:05 INFO MSTransformManager::open Select data 2025-09-23 22:09:05 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:05 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:09:05 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 75.089719167deg +006d21m09.7433' successfully parsed 2025-09-23 22:09:05 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:05 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:05 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:04.666172 End time: 2025-09-23 22:09:05.076762 2025-09-23 22:09:05 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:05 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:05 INFO tclean::::casa ########################################## 2025-09-23 22:09:05 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:05 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 ) 2025-09-23 22:09:05 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:05 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:05 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:05 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:05 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:05 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:05 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:05 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:05 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:05 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:05 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:05 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:05 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:05 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.013289 2025-09-23 22:09:05 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:05 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:05 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:06 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:06 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:06 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:09:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:06 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:06 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:06 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:06 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:06 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'] 2025-09-23 22:09:07 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:05.095457 End time: 2025-09-23 22:09:06.544999 2025-09-23 22:09:07 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:07 INFO tclean::::casa ########################################## 2025-09-23 22:09:07 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:07 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:07 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) 2025-09-23 22:09:07 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:07 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:07 2025****** 2025-09-23 22:09:07 INFO ImageFitter::fit+ 2025-09-23 22:09:07 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:07 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:07 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:07 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:07 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:07 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:07 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:07 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:07 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:07 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:07 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) 2025-09-23 22:09:07 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116867 Jy 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126483 Jy 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ --- dec: 127.999996 +/- 0.000097 pixels 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:07 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:07 INFO imstat::::casa ########################################## 2025-09-23 22:09:07 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:07 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 ) 2025-09-23 22:09:07 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:07 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:07 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:07 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:07 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:07 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) 2025-09-23 22:09:07 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:07 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:07 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:07 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:07 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:09:07 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:09:07 INFO imstat:::: Values --- 2025-09-23 22:09:07 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:07 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:07 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:07 INFO imstat:::: -- minimum value [min]: -7.77768e-05 Jy/beam 2025-09-23 22:09:07 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:07 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:09:07 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:07 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:09:07 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:07 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:07 INFO imstat:::: Statistics --- 2025-09-23 22:09:07 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:07 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:07 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:07 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:07 INFO imstat:::: -- Median of the pixel values [median]: -1.86705e-05 Jy/beam 2025-09-23 22:09:07 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73609e-05 Jy/beam 2025-09-23 22:09:07 INFO imstat:::: -- IQR [quartile]: 3.56013e-05 Jy/beam 2025-09-23 22:09:07 INFO imstat:::: -- First quartile [q1]: -3.4507e-05 Jy/beam 2025-09-23 22:09:07 INFO imstat:::: -- Third quartile [q3]: 1.09435e-06 Jy/beam 2025-09-23 22:09:07 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:07 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:07 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:07 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:07 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:07 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:07 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 2025-09-23 22:09:07 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:06.610740 End time: 2025-09-23 22:09:06.636743 2025-09-23 22:09:07 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:07 INFO imstat::::casa ########################################## 2025-09-23 22:09:07 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:07 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:07 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 75.089719167deg 00:25:24.6496' ) 2025-09-23 22:09:07 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:07 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:07 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:07 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:07 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:07 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:07 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:07 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:07 INFO MSTransformManager::open Select data 2025-09-23 22:09:07 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:07 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "00:25:24.6496" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-09-23 22:09:07 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 75.089719167deg 00:25:24.6496' successfully parsed 2025-09-23 22:09:07 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:07 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:07 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:06.651477 End time: 2025-09-23 22:09:07.126843 2025-09-23 22:09:07 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:07 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:07 INFO tclean::::casa ########################################## 2025-09-23 22:09:07 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:07 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 ) 2025-09-23 22:09:07 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:07 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:07 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:07 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:07 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:07 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:07 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:07 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:07 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:07 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:07 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:07 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:08 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:08 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.014736 2025-09-23 22:09:08 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:08 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:08 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:08 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:08 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:08 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:08 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:08 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:08 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:08 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:08 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:08 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:08 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:08 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:08 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:08 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:09:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:08 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:09 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:09 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:09 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:09 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:09 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:09 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'] 2025-09-23 22:09:09 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:07.157079 End time: 2025-09-23 22:09:08.822560 2025-09-23 22:09:09 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:09 INFO tclean::::casa ########################################## 2025-09-23 22:09:09 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:09 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:09 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) 2025-09-23 22:09:09 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:09 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:09 2025****** 2025-09-23 22:09:09 INFO ImageFitter::fit+ 2025-09-23 22:09:09 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:09 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:09 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:09 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:09 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:09 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:09 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:09 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:09 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:09 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:09 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) 2025-09-23 22:09:09 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116903 Jy 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126517 Jy 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000038 +/- 0.000777 arcsec 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ --- ra: 127.999939 +/- 0.000127 pixels 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ --- dec: 127.999957 +/- 0.000097 pixels 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:09 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:09 INFO imstat::::casa ########################################## 2025-09-23 22:09:09 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:09 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 ) 2025-09-23 22:09:09 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:09 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:09 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:09 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:09 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:09 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz) 2025-09-23 22:09:09 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:09 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:09 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:09 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:09 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2025-09-23 22:09:09 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2025-09-23 22:09:09 INFO imstat:::: Values --- 2025-09-23 22:09:09 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:09 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:09 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:09 INFO imstat:::: -- minimum value [min]: -7.78731e-05 Jy/beam 2025-09-23 22:09:09 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:09 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:09:09 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:09 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:09:09 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:09 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:09 INFO imstat:::: Statistics --- 2025-09-23 22:09:09 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:09 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:09 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:09 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:09 INFO imstat:::: -- Median of the pixel values [median]: -1.86503e-05 Jy/beam 2025-09-23 22:09:09 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73798e-05 Jy/beam 2025-09-23 22:09:09 INFO imstat:::: -- IQR [quartile]: 3.56966e-05 Jy/beam 2025-09-23 22:09:09 INFO imstat:::: -- First quartile [q1]: -3.45352e-05 Jy/beam 2025-09-23 22:09:09 INFO imstat:::: -- Third quartile [q3]: 1.16146e-06 Jy/beam 2025-09-23 22:09:09 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:09 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:09 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:09 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:09 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:09 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:09 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 2025-09-23 22:09:09 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:08.890730 End time: 2025-09-23 22:09:08.917534 2025-09-23 22:09:09 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:09 INFO imstat::::casa ########################################## 2025-09-23 22:09:09 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:09 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:09 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 6.352706472deg' ) 2025-09-23 22:09:09 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:09 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:09 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:09 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:09 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:09 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:09 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:09 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:09 INFO MSTransformManager::open Select data 2025-09-23 22:09:09 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:09 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:09:09 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 75.089719167deg 6.352706472deg' successfully parsed 2025-09-23 22:09:09 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:09 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:09 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:08.932569 End time: 2025-09-23 22:09:09.349591 2025-09-23 22:09:09 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:09 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:09 INFO tclean::::casa ########################################## 2025-09-23 22:09:09 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:09 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 ) 2025-09-23 22:09:09 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:09 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:09 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:09 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:09 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:09 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:09 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:09 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:09 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:09 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:09 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:09 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:10 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:10 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.013325 2025-09-23 22:09:10 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:10 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:10 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:10 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:10 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:10 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:10 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:10 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:09:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:11 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:11 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:11 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:11 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:11 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:11 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'] 2025-09-23 22:09:11 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:09.367622 End time: 2025-09-23 22:09:10.854860 2025-09-23 22:09:11 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:11 INFO tclean::::casa ########################################## 2025-09-23 22:09:11 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:11 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:11 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) 2025-09-23 22:09:11 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:11 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:11 2025****** 2025-09-23 22:09:11 INFO ImageFitter::fit+ 2025-09-23 22:09:11 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:11 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:11 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:11 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:11 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:11 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:11 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:11 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:11 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:11 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:11 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) 2025-09-23 22:09:11 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.00011687 Jy 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ --- dec: 127.999996 +/- 0.000097 pixels 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:11 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:11 INFO imstat::::casa ########################################## 2025-09-23 22:09:11 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:11 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 ) 2025-09-23 22:09:11 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:11 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:11 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:11 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:11 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:11 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) 2025-09-23 22:09:11 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:11 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:11 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:11 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:11 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:09:11 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:09:11 INFO imstat:::: Values --- 2025-09-23 22:09:11 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:11 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:11 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:11 INFO imstat:::: -- minimum value [min]: -7.77771e-05 Jy/beam 2025-09-23 22:09:11 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:11 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:09:11 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:11 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:09:11 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:11 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:11 INFO imstat:::: Statistics --- 2025-09-23 22:09:11 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:11 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:11 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:11 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:11 INFO imstat:::: -- Median of the pixel values [median]: -1.86715e-05 Jy/beam 2025-09-23 22:09:11 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73619e-05 Jy/beam 2025-09-23 22:09:11 INFO imstat:::: -- IQR [quartile]: 3.56021e-05 Jy/beam 2025-09-23 22:09:11 INFO imstat:::: -- First quartile [q1]: -3.45061e-05 Jy/beam 2025-09-23 22:09:11 INFO imstat:::: -- Third quartile [q3]: 1.09605e-06 Jy/beam 2025-09-23 22:09:11 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:11 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:11 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:11 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:11 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:11 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:11 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 2025-09-23 22:09:11 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:10.932651 End time: 2025-09-23 22:09:10.960311 2025-09-23 22:09:11 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:11 INFO imstat::::casa ########################################## 2025-09-23 22:09:11 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:11 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:11 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 0.110875644rad' ) 2025-09-23 22:09:11 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:11 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:11 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:11 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:11 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:11 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:11 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:11 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:11 INFO MSTransformManager::open Select data 2025-09-23 22:09:11 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:11 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:09:11 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 75.089719167deg 0.110875644rad' successfully parsed 2025-09-23 22:09:11 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:11 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:11 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:10.976247 End time: 2025-09-23 22:09:11.408502 2025-09-23 22:09:11 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:11 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:11 INFO tclean::::casa ########################################## 2025-09-23 22:09:11 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:11 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 ) 2025-09-23 22:09:11 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:11 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:11 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:12 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:12 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:12 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:12 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:12 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:12 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:12 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:12 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:12 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:12 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:12 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010054 2025-09-23 22:09:12 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:12 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:12 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:12 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:12 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:13 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:09:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:13 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:13 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:13 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:13 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:13 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-09-23 22:09:13 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:11.446679 End time: 2025-09-23 22:09:12.938277 2025-09-23 22:09:13 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:13 INFO tclean::::casa ########################################## 2025-09-23 22:09:13 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:13 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:13 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:09:13 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:13 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:13 2025****** 2025-09-23 22:09:13 INFO ImageFitter::fit+ 2025-09-23 22:09:13 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:13 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:13 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:13 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:13 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:13 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:13 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:13 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:13 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:13 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:13 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:09:13 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116868 Jy 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126482 Jy 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ --- ra: 128.000012 +/- 0.000127 pixels 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:13 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:13 INFO imstat::::casa ########################################## 2025-09-23 22:09:13 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:13 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:09:13 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:13 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:13 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:13 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:13 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:13 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-09-23 22:09:13 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:13 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:13 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:13 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:13 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:09:13 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:09:13 INFO imstat:::: Values --- 2025-09-23 22:09:13 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:13 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:13 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:13 INFO imstat:::: -- minimum value [min]: -7.77855e-05 Jy/beam 2025-09-23 22:09:13 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:13 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-09-23 22:09:13 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:13 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-09-23 22:09:13 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:13 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:13 INFO imstat:::: Statistics --- 2025-09-23 22:09:13 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:13 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:13 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:13 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:13 INFO imstat:::: -- Median of the pixel values [median]: -1.86732e-05 Jy/beam 2025-09-23 22:09:13 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73562e-05 Jy/beam 2025-09-23 22:09:13 INFO imstat:::: -- IQR [quartile]: 3.56008e-05 Jy/beam 2025-09-23 22:09:13 INFO imstat:::: -- First quartile [q1]: -3.45107e-05 Jy/beam 2025-09-23 22:09:13 INFO imstat:::: -- Third quartile [q3]: 1.09015e-06 Jy/beam 2025-09-23 22:09:13 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:13 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:13 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:13 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:13 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:13 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:13 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 2025-09-23 22:09:13 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:13.003587 End time: 2025-09-23 22:09:13.029036 2025-09-23 22:09:13 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:13 INFO imstat::::casa ########################################## 2025-09-23 22:09:13 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:13 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:13 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad +006d21m09.7433' ) 2025-09-23 22:09:13 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:13 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:13 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:13 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:13 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:13 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:13 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:13 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:13 INFO MSTransformManager::open Select data 2025-09-23 22:09:13 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:13 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:09:13 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 1.310562834rad +006d21m09.7433' successfully parsed 2025-09-23 22:09:13 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:13 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:13 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:13.043619 End time: 2025-09-23 22:09:13.488173 2025-09-23 22:09:13 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:13 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:14 INFO tclean::::casa ########################################## 2025-09-23 22:09:14 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:14 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-09-23 22:09:14 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:14 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:14 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:14 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:14 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:14 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:14 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:14 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:14 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:14 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:14 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:14 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:14 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:14 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.015407 2025-09-23 22:09:14 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:14 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:14 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:14 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:14 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:14 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:14 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:14 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:14 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:14 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:14 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:09:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:15 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:15 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:15 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:15 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:15 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-09-23 22:09:15 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:13.506648 End time: 2025-09-23 22:09:14.817957 2025-09-23 22:09:15 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:15 INFO tclean::::casa ########################################## 2025-09-23 22:09:15 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:15 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:15 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:09:15 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:15 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:15 2025****** 2025-09-23 22:09:15 INFO ImageFitter::fit+ 2025-09-23 22:09:15 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:15 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:15 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:15 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:15 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:15 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:15 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:15 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:15 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:15 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:15 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:09:15 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116872 Jy 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000006 +/- 0.000777 arcsec 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ --- ra: 128.000007 +/- 0.000127 pixels 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ --- dec: 127.999994 +/- 0.000097 pixels 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:15 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:15 INFO imstat::::casa ########################################## 2025-09-23 22:09:15 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:15 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:09:15 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:15 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:15 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:15 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:15 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:15 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) 2025-09-23 22:09:15 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:15 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:15 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:15 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:15 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:09:15 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:09:15 INFO imstat:::: Values --- 2025-09-23 22:09:15 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:15 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:15 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:15 INFO imstat:::: -- minimum value [min]: -7.77801e-05 Jy/beam 2025-09-23 22:09:15 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:15 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:09:15 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:15 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:09:15 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:15 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:15 INFO imstat:::: Statistics --- 2025-09-23 22:09:15 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:15 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:15 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:15 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:15 INFO imstat:::: -- Median of the pixel values [median]: -1.86669e-05 Jy/beam 2025-09-23 22:09:15 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73635e-05 Jy/beam 2025-09-23 22:09:15 INFO imstat:::: -- IQR [quartile]: 3.56081e-05 Jy/beam 2025-09-23 22:09:15 INFO imstat:::: -- First quartile [q1]: -3.45085e-05 Jy/beam 2025-09-23 22:09:15 INFO imstat:::: -- Third quartile [q3]: 1.09959e-06 Jy/beam 2025-09-23 22:09:15 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:15 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:15 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:15 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:15 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:15 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:15 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 2025-09-23 22:09:15 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:14.860261 End time: 2025-09-23 22:09:14.880574 2025-09-23 22:09:15 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:15 INFO imstat::::casa ########################################## 2025-09-23 22:09:15 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:15 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:15 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad 00:25:24.6496' ) 2025-09-23 22:09:15 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:15 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:15 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:15 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:15 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:15 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:15 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:15 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:15 INFO MSTransformManager::open Select data 2025-09-23 22:09:15 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:15 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 ".". 2025-09-23 22:09:15 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 1.310562834rad 00:25:24.6496' successfully parsed 2025-09-23 22:09:15 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:15 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:15 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:14.892909 End time: 2025-09-23 22:09:15.250965 2025-09-23 22:09:15 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:15 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:15 INFO tclean::::casa ########################################## 2025-09-23 22:09:15 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:15 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 ) 2025-09-23 22:09:15 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:15 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:15 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:15 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:15 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:15 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:15 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:15 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:15 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:15 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:15 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:15 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:16 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:16 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.011484 2025-09-23 22:09:16 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:16 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:16 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:16 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:16 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:16 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:16 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:16 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:16 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:09:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:17 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:17 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:17 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:17 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:17 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-09-23 22:09:17 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:15.269707 End time: 2025-09-23 22:09:16.809662 2025-09-23 22:09:17 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:17 INFO tclean::::casa ########################################## 2025-09-23 22:09:17 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:17 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:17 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:09:17 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:17 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:17 2025****** 2025-09-23 22:09:17 INFO ImageFitter::fit+ 2025-09-23 22:09:17 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:17 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:17 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:17 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:17 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:17 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:17 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:17 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:17 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:17 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:17 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:09:17 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116905 Jy 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012652 Jy 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000041 +/- 0.000777 arcsec 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ --- ra: 127.999941 +/- 0.000127 pixels 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ --- dec: 127.999954 +/- 0.000097 pixels 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:17 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:17 INFO imstat::::casa ########################################## 2025-09-23 22:09:17 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:17 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:09:17 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:17 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:17 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:17 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:17 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:17 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) 2025-09-23 22:09:17 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:17 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:17 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:17 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:17 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2025-09-23 22:09:17 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2025-09-23 22:09:17 INFO imstat:::: Values --- 2025-09-23 22:09:17 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:17 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:17 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:17 INFO imstat:::: -- minimum value [min]: -7.78774e-05 Jy/beam 2025-09-23 22:09:17 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:17 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:09:17 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:17 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:09:17 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:17 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:17 INFO imstat:::: Statistics --- 2025-09-23 22:09:17 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:17 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:17 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:17 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:17 INFO imstat:::: -- Median of the pixel values [median]: -1.86532e-05 Jy/beam 2025-09-23 22:09:17 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73779e-05 Jy/beam 2025-09-23 22:09:17 INFO imstat:::: -- IQR [quartile]: 3.5701e-05 Jy/beam 2025-09-23 22:09:17 INFO imstat:::: -- First quartile [q1]: -3.45356e-05 Jy/beam 2025-09-23 22:09:17 INFO imstat:::: -- Third quartile [q3]: 1.16544e-06 Jy/beam 2025-09-23 22:09:17 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:17 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:17 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:17 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:17 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:17 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:17 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 2025-09-23 22:09:17 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:16.865954 End time: 2025-09-23 22:09:16.888193 2025-09-23 22:09:17 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:17 INFO imstat::::casa ########################################## 2025-09-23 22:09:17 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:17 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:17 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad 6.352706472deg' ) 2025-09-23 22:09:17 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:17 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:17 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:17 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:17 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:17 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:17 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:17 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:17 INFO MSTransformManager::open Select data 2025-09-23 22:09:17 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:17 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:09:17 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 1.310562834rad 6.352706472deg' successfully parsed 2025-09-23 22:09:17 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:17 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:17 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:16.900207 End time: 2025-09-23 22:09:17.320662 2025-09-23 22:09:17 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:17 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:17 INFO tclean::::casa ########################################## 2025-09-23 22:09:17 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:17 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 ) 2025-09-23 22:09:17 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:17 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:17 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:17 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:17 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:17 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:17 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:17 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:17 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:17 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:17 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:17 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:18 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:18 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009886 2025-09-23 22:09:18 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:18 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:18 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:18 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:18 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:18 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:18 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:18 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:18 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:18 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:18 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:18 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:18 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:18 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:18 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:18 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:18 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:18 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:09:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:19 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:19 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:19 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:19 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:19 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-09-23 22:09:19 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:17.338968 End time: 2025-09-23 22:09:18.977572 2025-09-23 22:09:19 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:19 INFO tclean::::casa ########################################## 2025-09-23 22:09:19 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:19 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:19 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:09:19 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:19 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:19 2025****** 2025-09-23 22:09:19 INFO ImageFitter::fit+ 2025-09-23 22:09:19 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:19 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:19 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:19 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:19 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:19 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:19 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:19 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:19 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:19 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:19 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:09:19 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116868 Jy 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000006 +/- 0.000777 arcsec 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ --- ra: 128.000007 +/- 0.000127 pixels 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ --- dec: 127.999994 +/- 0.000097 pixels 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:19 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:19 INFO imstat::::casa ########################################## 2025-09-23 22:09:19 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:19 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:09:19 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:19 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:19 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:19 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:19 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:19 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-09-23 22:09:19 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:19 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:19 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:19 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:19 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:09:19 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:09:19 INFO imstat:::: Values --- 2025-09-23 22:09:19 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:19 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:19 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:19 INFO imstat:::: -- minimum value [min]: -7.77798e-05 Jy/beam 2025-09-23 22:09:19 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:19 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:09:19 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:19 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:09:19 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:19 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:19 INFO imstat:::: Statistics --- 2025-09-23 22:09:19 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:19 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:19 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:19 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:19 INFO imstat:::: -- Median of the pixel values [median]: -1.86675e-05 Jy/beam 2025-09-23 22:09:19 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73645e-05 Jy/beam 2025-09-23 22:09:19 INFO imstat:::: -- IQR [quartile]: 3.56077e-05 Jy/beam 2025-09-23 22:09:19 INFO imstat:::: -- First quartile [q1]: -3.45073e-05 Jy/beam 2025-09-23 22:09:19 INFO imstat:::: -- Third quartile [q3]: 1.1004e-06 Jy/beam 2025-09-23 22:09:19 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:19 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:19 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:19 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:19 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:19 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:19 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 2025-09-23 22:09:19 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:19.047643 End time: 2025-09-23 22:09:19.073892 2025-09-23 22:09:19 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:19 INFO imstat::::casa ########################################## 2025-09-23 22:09:19 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:19 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:19 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad 0.110875644rad' ) 2025-09-23 22:09:19 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:19 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:19 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:19 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:19 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:19 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:19 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:19 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:19 INFO MSTransformManager::open Select data 2025-09-23 22:09:19 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:19 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:09:19 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'GALACTIC 1.310562834rad 0.110875644rad' successfully parsed 2025-09-23 22:09:19 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:20 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:20 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:19.089015 End time: 2025-09-23 22:09:19.531107 2025-09-23 22:09:20 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:20 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:20 INFO tclean::::casa ########################################## 2025-09-23 22:09:20 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:20 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 ) 2025-09-23 22:09:20 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:20 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:20 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:20 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:20 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:20 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:20 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:20 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:20 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:20 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:20 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:20 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:20 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:20 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.016142 2025-09-23 22:09:20 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:20 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:20 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:20 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:20 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:20 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:20 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:20 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:20 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:20 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:20 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:20 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:20 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:20 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:20 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:20 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:20 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:20 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:09:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:21 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:21 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:21 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:21 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:21 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-09-23 22:09:21 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:19.563160 End time: 2025-09-23 22:09:21.034344 2025-09-23 22:09:21 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:21 INFO tclean::::casa ########################################## 2025-09-23 22:09:21 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:21 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:21 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:09:21 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:21 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:21 2025****** 2025-09-23 22:09:21 INFO ImageFitter::fit+ 2025-09-23 22:09:21 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:21 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:21 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:21 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:21 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:21 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:21 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:21 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:21 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:21 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:21 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:09:21 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126484 Jy 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000002 +/- 0.000777 arcsec 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ --- ra: 128.000014 +/- 0.000127 pixels 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ --- dec: 127.999998 +/- 0.000097 pixels 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:21 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:21 INFO imstat::::casa ########################################## 2025-09-23 22:09:21 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:21 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:09:21 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:21 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:21 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:21 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:21 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:21 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-09-23 22:09:21 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:21 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:21 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:21 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:21 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:09:21 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:09:21 INFO imstat:::: Values --- 2025-09-23 22:09:21 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:21 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:21 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:21 INFO imstat:::: -- minimum value [min]: -7.77816e-05 Jy/beam 2025-09-23 22:09:21 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:21 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-09-23 22:09:21 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:21 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-09-23 22:09:21 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:21 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:21 INFO imstat:::: Statistics --- 2025-09-23 22:09:21 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:21 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:21 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:21 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:21 INFO imstat:::: -- Median of the pixel values [median]: -1.8676e-05 Jy/beam 2025-09-23 22:09:21 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73584e-05 Jy/beam 2025-09-23 22:09:21 INFO imstat:::: -- IQR [quartile]: 3.56038e-05 Jy/beam 2025-09-23 22:09:21 INFO imstat:::: -- First quartile [q1]: -3.45104e-05 Jy/beam 2025-09-23 22:09:21 INFO imstat:::: -- Third quartile [q3]: 1.09331e-06 Jy/beam 2025-09-23 22:09:21 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:21 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:21 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:21 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:21 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:21 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:21 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 2025-09-23 22:09:21 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:21.105364 End time: 2025-09-23 22:09:21.134578 2025-09-23 22:09:21 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:21 INFO imstat::::casa ########################################## 2025-09-23 22:09:21 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:21 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:21 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 39d58m05.8512' ) 2025-09-23 22:09:21 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:21 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:21 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:21 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:21 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:21 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:21 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:21 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:21 INFO MSTransformManager::open Select data 2025-09-23 22:09:21 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:21 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:09:21 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 19h52m05.65239 39d58m05.8512' successfully parsed 2025-09-23 22:09:21 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:22 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:22 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:21.150223 End time: 2025-09-23 22:09:21.743429 2025-09-23 22:09:22 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:22 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:22 INFO tclean::::casa ########################################## 2025-09-23 22:09:22 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:22 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 ) 2025-09-23 22:09:22 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:22 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:22 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:22 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:22 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:22 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:22 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:22 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:22 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:22 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:22 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:22 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:22 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:22 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.022214 2025-09-23 22:09:22 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:22 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:22 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:22 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:22 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:22 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:22 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:22 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:22 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:22 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:09:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:23 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:23 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:23 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:23 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:23 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-09-23 22:09:23 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:21.780331 End time: 2025-09-23 22:09:23.112245 2025-09-23 22:09:23 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:23 INFO tclean::::casa ########################################## 2025-09-23 22:09:23 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:23 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:23 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:09:23 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:23 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:23 2025****** 2025-09-23 22:09:23 INFO ImageFitter::fit+ 2025-09-23 22:09:23 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:23 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:23 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:23 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:23 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:23 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:23 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:23 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:23 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:23 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:23 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:09:23 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:23 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:23 INFO imstat::::casa ########################################## 2025-09-23 22:09:23 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:23 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:09:23 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:23 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:23 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:23 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:23 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:23 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-09-23 22:09:23 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:23 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:23 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:23 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:23 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:09:23 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:09:23 INFO imstat:::: Values --- 2025-09-23 22:09:23 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:23 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:23 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:23 INFO imstat:::: -- minimum value [min]: -7.77826e-05 Jy/beam 2025-09-23 22:09:23 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:23 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:09:23 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:23 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:09:23 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:23 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:23 INFO imstat:::: Statistics --- 2025-09-23 22:09:23 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:23 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:23 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:23 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:23 INFO imstat:::: -- Median of the pixel values [median]: -1.86649e-05 Jy/beam 2025-09-23 22:09:23 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam 2025-09-23 22:09:23 INFO imstat:::: -- IQR [quartile]: 3.56026e-05 Jy/beam 2025-09-23 22:09:23 INFO imstat:::: -- First quartile [q1]: -3.45067e-05 Jy/beam 2025-09-23 22:09:23 INFO imstat:::: -- Third quartile [q3]: 1.09593e-06 Jy/beam 2025-09-23 22:09:23 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:23 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:23 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:23 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:23 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:23 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:23 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778264e-05 4.999996e+00 2025-09-23 22:09:23 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:23.154323 End time: 2025-09-23 22:09:23.174217 2025-09-23 22:09:23 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:23 INFO imstat::::casa ########################################## 2025-09-23 22:09:23 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:23 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:23 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 02:39:52.3901' ) 2025-09-23 22:09:23 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:23 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:23 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:23 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:23 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:23 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:23 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:23 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:23 INFO MSTransformManager::open Select data 2025-09-23 22:09:23 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:23 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 ".". 2025-09-23 22:09:23 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 19h52m05.65239 02:39:52.3901' successfully parsed 2025-09-23 22:09:23 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:24 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:24 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:23.186572 End time: 2025-09-23 22:09:23.639700 2025-09-23 22:09:24 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:24 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:24 INFO tclean::::casa ########################################## 2025-09-23 22:09:24 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:24 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 ) 2025-09-23 22:09:24 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:24 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:24 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:24 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:24 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:24 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:24 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:24 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:24 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:24 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:24 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:24 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:24 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:24 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010211 2025-09-23 22:09:24 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:24 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:24 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:24 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:24 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:24 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:24 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:24 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:24 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:24 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:24 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:24 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:24 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:24 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:09:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:25 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:25 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:25 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:25 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:25 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'] 2025-09-23 22:09:25 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:23.658002 End time: 2025-09-23 22:09:24.989904 2025-09-23 22:09:25 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:25 INFO tclean::::casa ########################################## 2025-09-23 22:09:25 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:25 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:25 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:09:25 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:25 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:25 2025****** 2025-09-23 22:09:25 INFO ImageFitter::fit+ 2025-09-23 22:09:25 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:25 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:25 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:25 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:25 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:25 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:25 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:25 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:25 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:25 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:25 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:09:25 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.00011688 Jy 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126496 Jy 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000034 +/- 0.000777 arcsec 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ --- dec: 127.999963 +/- 0.000097 pixels 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:25 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:25 INFO imstat::::casa ########################################## 2025-09-23 22:09:25 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:25 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:09:25 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:25 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:25 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:25 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:25 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:25 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz) 2025-09-23 22:09:25 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:25 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:25 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:25 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:25 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2025-09-23 22:09:25 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2025-09-23 22:09:25 INFO imstat:::: Values --- 2025-09-23 22:09:25 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:25 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:25 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:25 INFO imstat:::: -- minimum value [min]: -7.78225e-05 Jy/beam 2025-09-23 22:09:25 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:25 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:09:25 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:25 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:09:25 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:25 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:25 INFO imstat:::: Statistics --- 2025-09-23 22:09:25 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:25 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:25 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:25 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:25 INFO imstat:::: -- Median of the pixel values [median]: -1.86781e-05 Jy/beam 2025-09-23 22:09:25 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73751e-05 Jy/beam 2025-09-23 22:09:25 INFO imstat:::: -- IQR [quartile]: 3.56365e-05 Jy/beam 2025-09-23 22:09:25 INFO imstat:::: -- First quartile [q1]: -3.45278e-05 Jy/beam 2025-09-23 22:09:25 INFO imstat:::: -- Third quartile [q3]: 1.10869e-06 Jy/beam 2025-09-23 22:09:25 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:25 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:25 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:25 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:25 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:25 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:25 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 2025-09-23 22:09:25 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:25.043827 End time: 2025-09-23 22:09:25.066405 2025-09-23 22:09:25 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:25 INFO imstat::::casa ########################################## 2025-09-23 22:09:25 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:25 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:25 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 39.968292000deg' ) 2025-09-23 22:09:25 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:25 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:25 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:25 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:25 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:25 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:25 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:25 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:25 INFO MSTransformManager::open Select data 2025-09-23 22:09:25 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:25 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:09:25 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 19h52m05.65239 39.968292000deg' successfully parsed 2025-09-23 22:09:25 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:26 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:26 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:25.078372 End time: 2025-09-23 22:09:25.544657 2025-09-23 22:09:26 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:26 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:26 INFO tclean::::casa ########################################## 2025-09-23 22:09:26 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:26 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 ) 2025-09-23 22:09:26 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:26 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:26 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:26 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:26 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:26 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:26 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:26 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:26 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:26 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:26 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:26 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:26 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:26 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.014086 2025-09-23 22:09:26 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:26 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:26 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:26 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:26 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:26 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:26 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:09:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:27 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:27 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:27 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:27 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:27 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-09-23 22:09:27 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:25.572013 End time: 2025-09-23 22:09:27.066072 2025-09-23 22:09:27 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:27 INFO tclean::::casa ########################################## 2025-09-23 22:09:27 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:27 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:27 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:09:27 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:27 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:27 2025****** 2025-09-23 22:09:27 INFO ImageFitter::fit+ 2025-09-23 22:09:27 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:27 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:27 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:27 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:27 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:27 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:27 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:27 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:27 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:27 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:27 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:09:27 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:27 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:27 INFO imstat::::casa ########################################## 2025-09-23 22:09:27 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:27 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:09:27 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:27 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:27 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:27 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:27 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:27 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-09-23 22:09:27 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:27 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:27 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:27 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:27 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:09:27 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:09:27 INFO imstat:::: Values --- 2025-09-23 22:09:27 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:27 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:27 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:27 INFO imstat:::: -- minimum value [min]: -7.77826e-05 Jy/beam 2025-09-23 22:09:27 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:27 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:09:27 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:27 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:09:27 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:27 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:27 INFO imstat:::: Statistics --- 2025-09-23 22:09:27 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:27 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:27 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:27 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:27 INFO imstat:::: -- Median of the pixel values [median]: -1.86649e-05 Jy/beam 2025-09-23 22:09:27 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam 2025-09-23 22:09:27 INFO imstat:::: -- IQR [quartile]: 3.56026e-05 Jy/beam 2025-09-23 22:09:27 INFO imstat:::: -- First quartile [q1]: -3.45067e-05 Jy/beam 2025-09-23 22:09:27 INFO imstat:::: -- Third quartile [q3]: 1.09593e-06 Jy/beam 2025-09-23 22:09:27 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:27 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:27 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:27 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:27 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:27 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:27 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 2025-09-23 22:09:27 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:27.138843 End time: 2025-09-23 22:09:27.166588 2025-09-23 22:09:27 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:27 INFO imstat::::casa ########################################## 2025-09-23 22:09:27 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:27 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:27 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 0.697578292rad' ) 2025-09-23 22:09:27 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:27 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:27 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:27 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:27 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:27 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:27 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:27 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:27 INFO MSTransformManager::open Select data 2025-09-23 22:09:27 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:27 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:09:27 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 19h52m05.65239 0.697578292rad' successfully parsed 2025-09-23 22:09:27 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:28 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:28 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:27.182350 End time: 2025-09-23 22:09:27.589247 2025-09-23 22:09:28 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:28 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:28 INFO tclean::::casa ########################################## 2025-09-23 22:09:28 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:28 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 ) 2025-09-23 22:09:28 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:28 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:28 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:28 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:28 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:28 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:28 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:28 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:28 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:28 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:28 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:28 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:28 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:28 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.019322 2025-09-23 22:09:28 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:28 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:28 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:28 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:28 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:28 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:28 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:28 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:28 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:28 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:28 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:28 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:28 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:28 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:29 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:09:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:29 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:29 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:29 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:29 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:29 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:29 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-09-23 22:09:29 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:27.608023 End time: 2025-09-23 22:09:29.037978 2025-09-23 22:09:29 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:29 INFO tclean::::casa ########################################## 2025-09-23 22:09:29 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:29 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:29 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:09:29 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:29 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:29 2025****** 2025-09-23 22:09:29 INFO ImageFitter::fit+ 2025-09-23 22:09:29 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:29 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:29 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:29 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:29 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:29 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:29 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:29 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:29 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:29 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:29 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:09:29 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000008 +/- 0.000777 arcsec 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ --- dec: 127.999992 +/- 0.000097 pixels 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:29 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:29 INFO imstat::::casa ########################################## 2025-09-23 22:09:29 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:29 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:09:29 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:29 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:29 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:29 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:29 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:29 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-09-23 22:09:29 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:29 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:29 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:29 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:29 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:09:29 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:09:29 INFO imstat:::: Values --- 2025-09-23 22:09:29 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:29 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:29 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:29 INFO imstat:::: -- minimum value [min]: -7.7789e-05 Jy/beam 2025-09-23 22:09:29 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:29 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:09:29 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:29 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:09:29 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:29 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:29 INFO imstat:::: Statistics --- 2025-09-23 22:09:29 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:29 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:29 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:29 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:29 INFO imstat:::: -- Median of the pixel values [median]: -1.86647e-05 Jy/beam 2025-09-23 22:09:29 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73649e-05 Jy/beam 2025-09-23 22:09:29 INFO imstat:::: -- IQR [quartile]: 3.56182e-05 Jy/beam 2025-09-23 22:09:29 INFO imstat:::: -- First quartile [q1]: -3.45079e-05 Jy/beam 2025-09-23 22:09:29 INFO imstat:::: -- Third quartile [q3]: 1.11022e-06 Jy/beam 2025-09-23 22:09:29 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:29 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:29 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:29 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:29 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:29 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:29 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 2025-09-23 22:09:29 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:29.097865 End time: 2025-09-23 22:09:29.121907 2025-09-23 22:09:29 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:29 INFO imstat::::casa ########################################## 2025-09-23 22:09:29 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:29 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:29 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 39d58m05.8512' ) 2025-09-23 22:09:29 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:29 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:29 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:29 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:29 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:29 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:29 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:29 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:29 INFO MSTransformManager::open Select data 2025-09-23 22:09:29 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:29 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:09:29 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 19:52:05.6524 39d58m05.8512' successfully parsed 2025-09-23 22:09:29 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:30 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:30 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:29.135393 End time: 2025-09-23 22:09:29.525664 2025-09-23 22:09:30 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:30 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:30 INFO tclean::::casa ########################################## 2025-09-23 22:09:30 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:30 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 ) 2025-09-23 22:09:30 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:30 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:30 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:30 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:30 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:30 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:30 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:30 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:30 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:30 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:30 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:30 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:30 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:30 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010329 2025-09-23 22:09:30 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:30 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:30 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:30 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:30 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:30 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:30 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:30 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:30 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:30 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:30 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:30 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:30 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:30 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:31 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:09:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:31 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:31 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:31 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:31 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:31 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:31 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'] 2025-09-23 22:09:31 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:29.543555 End time: 2025-09-23 22:09:30.960203 2025-09-23 22:09:31 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:31 INFO tclean::::casa ########################################## 2025-09-23 22:09:31 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:31 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:31 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:09:31 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:31 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:31 2025****** 2025-09-23 22:09:31 INFO ImageFitter::fit+ 2025-09-23 22:09:31 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:31 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:31 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:31 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:31 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:31 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:31 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:31 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:31 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:31 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:31 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:09:31 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ --- ra: 128.000009 +/- 0.000127 pixels 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:31 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:31 INFO imstat::::casa ########################################## 2025-09-23 22:09:31 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:31 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:09:31 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:31 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:31 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:31 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:31 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:31 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-09-23 22:09:31 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:31 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:31 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:31 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:31 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:09:31 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:09:31 INFO imstat:::: Values --- 2025-09-23 22:09:31 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:31 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:31 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:31 INFO imstat:::: -- minimum value [min]: -7.77773e-05 Jy/beam 2025-09-23 22:09:31 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:31 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-09-23 22:09:31 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:31 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-09-23 22:09:31 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:31 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:31 INFO imstat:::: Statistics --- 2025-09-23 22:09:31 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:31 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:31 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:31 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:31 INFO imstat:::: -- Median of the pixel values [median]: -1.86786e-05 Jy/beam 2025-09-23 22:09:31 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73603e-05 Jy/beam 2025-09-23 22:09:31 INFO imstat:::: -- IQR [quartile]: 3.56014e-05 Jy/beam 2025-09-23 22:09:31 INFO imstat:::: -- First quartile [q1]: -3.45038e-05 Jy/beam 2025-09-23 22:09:31 INFO imstat:::: -- Third quartile [q3]: 1.09758e-06 Jy/beam 2025-09-23 22:09:31 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:31 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:31 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:31 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:31 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:31 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:31 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777732e-05 4.999996e+00 2025-09-23 22:09:31 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:31.013450 End time: 2025-09-23 22:09:31.048889 2025-09-23 22:09:31 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:31 INFO imstat::::casa ########################################## 2025-09-23 22:09:31 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:31 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:31 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 02:39:52.3901' ) 2025-09-23 22:09:31 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:31 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:31 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:31 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:31 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:31 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:31 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:31 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:31 INFO MSTransformManager::open Select data 2025-09-23 22:09:31 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:31 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:39:52.3901" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-09-23 22:09:31 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 19:52:05.6524 02:39:52.3901' successfully parsed 2025-09-23 22:09:31 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:32 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:32 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:31.067645 End time: 2025-09-23 22:09:31.509048 2025-09-23 22:09:32 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:32 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:32 INFO tclean::::casa ########################################## 2025-09-23 22:09:32 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:32 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 ) 2025-09-23 22:09:32 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:32 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:32 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:32 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:32 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:32 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:32 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:32 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:32 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:32 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:32 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:32 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:32 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:32 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010246 2025-09-23 22:09:32 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:32 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:32 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:32 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:32 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:32 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:32 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:32 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:32 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:32 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:32 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:32 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:32 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:32 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:32 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:32 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:32 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:32 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:33 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:09:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:33 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:33 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:33 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:33 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:33 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:33 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-09-23 22:09:33 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:31.528047 End time: 2025-09-23 22:09:32.924473 2025-09-23 22:09:33 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:33 INFO tclean::::casa ########################################## 2025-09-23 22:09:33 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:33 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:33 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:09:33 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:33 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:33 2025****** 2025-09-23 22:09:33 INFO ImageFitter::fit+ 2025-09-23 22:09:33 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:33 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:33 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:33 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:33 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:33 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:33 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:33 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:33 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:33 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:33 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:09:33 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116878 Jy 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126494 Jy 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000034 +/- 0.000777 arcsec 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ --- ra: 128.000008 +/- 0.000127 pixels 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ --- dec: 127.999963 +/- 0.000097 pixels 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:33 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:33 INFO imstat::::casa ########################################## 2025-09-23 22:09:33 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:33 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:09:33 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:33 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:33 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:33 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:33 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:33 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz) 2025-09-23 22:09:33 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:33 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:33 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:33 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:33 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2025-09-23 22:09:33 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2025-09-23 22:09:33 INFO imstat:::: Values --- 2025-09-23 22:09:33 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:33 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:33 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:33 INFO imstat:::: -- minimum value [min]: -7.78143e-05 Jy/beam 2025-09-23 22:09:33 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:33 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:09:33 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:33 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:09:33 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:33 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:33 INFO imstat:::: Statistics --- 2025-09-23 22:09:33 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:33 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:33 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:33 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:33 INFO imstat:::: -- Median of the pixel values [median]: -1.86838e-05 Jy/beam 2025-09-23 22:09:33 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73769e-05 Jy/beam 2025-09-23 22:09:33 INFO imstat:::: -- IQR [quartile]: 3.5634e-05 Jy/beam 2025-09-23 22:09:33 INFO imstat:::: -- First quartile [q1]: -3.45216e-05 Jy/beam 2025-09-23 22:09:33 INFO imstat:::: -- Third quartile [q3]: 1.1124e-06 Jy/beam 2025-09-23 22:09:33 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:33 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:33 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:33 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:33 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:33 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:33 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285960e-03 1.524530e-01 1.521711e-01 -7.781426e-05 4.999996e+00 2025-09-23 22:09:33 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:32.966961 End time: 2025-09-23 22:09:32.986661 2025-09-23 22:09:33 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:33 INFO imstat::::casa ########################################## 2025-09-23 22:09:33 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:33 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:33 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 39.968292000deg' ) 2025-09-23 22:09:33 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:33 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:33 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:33 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:33 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:33 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:33 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:33 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:33 INFO MSTransformManager::open Select data 2025-09-23 22:09:33 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:33 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:09:33 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 19:52:05.6524 39.968292000deg' successfully parsed 2025-09-23 22:09:33 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:33 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:33 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:32.998600 End time: 2025-09-23 22:09:33.393346 2025-09-23 22:09:33 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:33 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:33 INFO tclean::::casa ########################################## 2025-09-23 22:09:33 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:33 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 ) 2025-09-23 22:09:33 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:33 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:33 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:34 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:34 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:34 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:34 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:34 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:34 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:34 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:34 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:34 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:34 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:34 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.011048 2025-09-23 22:09:34 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:34 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:34 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:34 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:34 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:34 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:34 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:34 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:09:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:34 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:35 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:35 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:35 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:35 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:35 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.model', 'im_post_phaseshift.mask', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.image', 'im_post_phaseshift.pb', 'im_post_phaseshift.residual', 'im_post_phaseshift.psf'] 2025-09-23 22:09:35 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:33.412748 End time: 2025-09-23 22:09:34.762747 2025-09-23 22:09:35 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:35 INFO tclean::::casa ########################################## 2025-09-23 22:09:35 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:35 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:35 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:09:35 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:35 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:35 2025****** 2025-09-23 22:09:35 INFO ImageFitter::fit+ 2025-09-23 22:09:35 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:35 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:35 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:35 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:35 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:35 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:35 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:35 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:35 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:35 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:35 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:09:35 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ --- ra: 128.000009 +/- 0.000127 pixels 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:35 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:35 INFO imstat::::casa ########################################## 2025-09-23 22:09:35 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:35 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:09:35 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:35 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:35 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:35 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:35 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:35 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-09-23 22:09:35 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:35 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:35 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:35 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:35 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:09:35 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:09:35 INFO imstat:::: Values --- 2025-09-23 22:09:35 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:35 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:35 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:35 INFO imstat:::: -- minimum value [min]: -7.77773e-05 Jy/beam 2025-09-23 22:09:35 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:35 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2025-09-23 22:09:35 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:35 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2025-09-23 22:09:35 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:35 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:35 INFO imstat:::: Statistics --- 2025-09-23 22:09:35 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:35 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:35 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:35 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:35 INFO imstat:::: -- Median of the pixel values [median]: -1.86786e-05 Jy/beam 2025-09-23 22:09:35 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73603e-05 Jy/beam 2025-09-23 22:09:35 INFO imstat:::: -- IQR [quartile]: 3.56014e-05 Jy/beam 2025-09-23 22:09:35 INFO imstat:::: -- First quartile [q1]: -3.45038e-05 Jy/beam 2025-09-23 22:09:35 INFO imstat:::: -- Third quartile [q3]: 1.09758e-06 Jy/beam 2025-09-23 22:09:35 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:35 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:35 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:35 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:35 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:35 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:35 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 2025-09-23 22:09:35 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:34.813681 End time: 2025-09-23 22:09:34.834215 2025-09-23 22:09:35 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:35 INFO imstat::::casa ########################################## 2025-09-23 22:09:35 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:35 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:35 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 0.697578292rad' ) 2025-09-23 22:09:35 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:35 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:35 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:35 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:35 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:35 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:35 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:35 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:35 INFO MSTransformManager::open Select data 2025-09-23 22:09:35 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:35 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:09:35 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 19:52:05.6524 0.697578292rad' successfully parsed 2025-09-23 22:09:35 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:35 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:35 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:34.846376 End time: 2025-09-23 22:09:35.256851 2025-09-23 22:09:35 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:35 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:35 INFO tclean::::casa ########################################## 2025-09-23 22:09:35 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:35 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 ) 2025-09-23 22:09:35 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:35 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:35 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:35 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:35 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:35 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:35 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:35 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:35 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:35 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:35 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:35 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:36 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:36 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.016115 2025-09-23 22:09:36 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:36 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:36 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:36 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:36 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:36 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:36 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:36 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:09:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:36 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:37 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:37 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:37 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:37 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:37 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:37 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'] 2025-09-23 22:09:37 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:35.274372 End time: 2025-09-23 22:09:36.728532 2025-09-23 22:09:37 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:37 INFO tclean::::casa ########################################## 2025-09-23 22:09:37 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:37 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:37 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:09:37 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:37 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:37 2025****** 2025-09-23 22:09:37 INFO ImageFitter::fit+ 2025-09-23 22:09:37 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:37 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:37 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:37 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:37 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:37 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:37 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:37 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:37 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:37 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:37 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:09:37 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126487 Jy 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000008 +/- 0.000777 arcsec 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ --- ra: 128.000009 +/- 0.000127 pixels 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ --- dec: 127.999992 +/- 0.000097 pixels 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:37 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:37 INFO imstat::::casa ########################################## 2025-09-23 22:09:37 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:37 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2025-09-23 22:09:37 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:37 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:37 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:37 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:37 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:37 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-09-23 22:09:37 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:37 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:37 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:37 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:37 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:09:37 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:09:37 INFO imstat:::: Values --- 2025-09-23 22:09:37 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:37 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:37 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:37 INFO imstat:::: -- minimum value [min]: -7.7781e-05 Jy/beam 2025-09-23 22:09:37 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:37 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:09:37 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:37 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:09:37 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:37 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:37 INFO imstat:::: Statistics --- 2025-09-23 22:09:37 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:37 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:37 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:37 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:37 INFO imstat:::: -- Median of the pixel values [median]: -1.86714e-05 Jy/beam 2025-09-23 22:09:37 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73593e-05 Jy/beam 2025-09-23 22:09:37 INFO imstat:::: -- IQR [quartile]: 3.56161e-05 Jy/beam 2025-09-23 22:09:37 INFO imstat:::: -- First quartile [q1]: -3.45125e-05 Jy/beam 2025-09-23 22:09:37 INFO imstat:::: -- Third quartile [q3]: 1.10364e-06 Jy/beam 2025-09-23 22:09:37 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:37 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:37 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:37 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:37 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:37 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:37 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 2025-09-23 22:09:37 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:36.779604 End time: 2025-09-23 22:09:36.801509 2025-09-23 22:09:37 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:37 INFO imstat::::casa ########################################## 2025-09-23 22:09:37 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:37 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:37 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 39d58m05.8512' ) 2025-09-23 22:09:37 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:37 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:37 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:37 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:37 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:37 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:37 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:37 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:37 INFO MSTransformManager::open Select data 2025-09-23 22:09:37 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:37 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:09:37 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 298.023551625deg 39d58m05.8512' successfully parsed 2025-09-23 22:09:37 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:37 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:37 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:36.813643 End time: 2025-09-23 22:09:37.184426 2025-09-23 22:09:37 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:37 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:37 INFO tclean::::casa ########################################## 2025-09-23 22:09:37 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:37 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-09-23 22:09:37 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:37 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:37 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:37 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:37 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:37 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:37 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:37 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:37 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:37 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:37 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:37 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:37 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:37 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.020489 2025-09-23 22:09:37 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:38 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:38 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:38 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:38 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:38 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:38 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:38 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:38 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:38 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:38 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:38 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:09:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:38 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:39 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:39 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:39 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:39 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:39 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:39 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'] 2025-09-23 22:09:39 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:37.202867 End time: 2025-09-23 22:09:38.737924 2025-09-23 22:09:39 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:39 INFO tclean::::casa ########################################## 2025-09-23 22:09:39 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:39 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:39 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) 2025-09-23 22:09:39 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:39 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:39 2025****** 2025-09-23 22:09:39 INFO ImageFitter::fit+ 2025-09-23 22:09:39 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:39 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:39 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:39 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:39 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:39 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:39 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:39 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:39 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:39 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:39 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) 2025-09-23 22:09:39 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:39 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:39 INFO imstat::::casa ########################################## 2025-09-23 22:09:39 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:39 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 ) 2025-09-23 22:09:39 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:39 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:39 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:39 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:39 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:39 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) 2025-09-23 22:09:39 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:39 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:39 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:39 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:39 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:09:39 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:09:39 INFO imstat:::: Values --- 2025-09-23 22:09:39 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:39 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:39 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:39 INFO imstat:::: -- minimum value [min]: -7.77826e-05 Jy/beam 2025-09-23 22:09:39 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:39 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:09:39 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:39 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:09:39 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:39 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:39 INFO imstat:::: Statistics --- 2025-09-23 22:09:39 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:39 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:39 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:39 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:39 INFO imstat:::: -- Median of the pixel values [median]: -1.86649e-05 Jy/beam 2025-09-23 22:09:39 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam 2025-09-23 22:09:39 INFO imstat:::: -- IQR [quartile]: 3.56026e-05 Jy/beam 2025-09-23 22:09:39 INFO imstat:::: -- First quartile [q1]: -3.45067e-05 Jy/beam 2025-09-23 22:09:39 INFO imstat:::: -- Third quartile [q3]: 1.09593e-06 Jy/beam 2025-09-23 22:09:39 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:39 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:39 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:39 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:39 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:39 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:39 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778264e-05 4.999996e+00 2025-09-23 22:09:39 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:38.778623 End time: 2025-09-23 22:09:38.798382 2025-09-23 22:09:39 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:39 INFO imstat::::casa ########################################## 2025-09-23 22:09:39 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:39 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:39 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 02:39:52.3901' ) 2025-09-23 22:09:39 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:39 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:39 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:39 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:39 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:39 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:39 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:39 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:39 INFO MSTransformManager::open Select data 2025-09-23 22:09:39 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:39 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:39:52.3901" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-09-23 22:09:39 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 298.023551625deg 02:39:52.3901' successfully parsed 2025-09-23 22:09:39 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:39 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:39 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:38.810551 End time: 2025-09-23 22:09:39.222083 2025-09-23 22:09:39 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:39 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:39 INFO tclean::::casa ########################################## 2025-09-23 22:09:39 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:39 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 ) 2025-09-23 22:09:39 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:39 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:39 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:39 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:39 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:39 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:39 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:39 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:39 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:39 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:39 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:39 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:39 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:40 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.016428 2025-09-23 22:09:40 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:40 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:40 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:40 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:40 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:40 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:40 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:40 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:40 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:40 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:40 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:40 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:09:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:40 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:40 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:40 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:40 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:40 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:41 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'] 2025-09-23 22:09:41 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:39.239733 End time: 2025-09-23 22:09:40.574810 2025-09-23 22:09:41 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:41 INFO tclean::::casa ########################################## 2025-09-23 22:09:41 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:41 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:41 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) 2025-09-23 22:09:41 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:41 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:41 2025****** 2025-09-23 22:09:41 INFO ImageFitter::fit+ 2025-09-23 22:09:41 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:41 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:41 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:41 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:41 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:41 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:41 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:41 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:41 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:41 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:41 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:09:41 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.00011688 Jy 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126496 Jy 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000034 +/- 0.000777 arcsec 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ --- dec: 127.999963 +/- 0.000097 pixels 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:41 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:41 INFO imstat::::casa ########################################## 2025-09-23 22:09:41 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:41 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 ) 2025-09-23 22:09:41 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:41 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:41 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:41 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:41 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:41 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz) 2025-09-23 22:09:41 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:41 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:41 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:41 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:41 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2025-09-23 22:09:41 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2025-09-23 22:09:41 INFO imstat:::: Values --- 2025-09-23 22:09:41 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:41 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:41 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:41 INFO imstat:::: -- minimum value [min]: -7.78225e-05 Jy/beam 2025-09-23 22:09:41 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:41 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:09:41 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:41 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:09:41 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:41 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:41 INFO imstat:::: Statistics --- 2025-09-23 22:09:41 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:41 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:41 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:41 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:41 INFO imstat:::: -- Median of the pixel values [median]: -1.86781e-05 Jy/beam 2025-09-23 22:09:41 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73751e-05 Jy/beam 2025-09-23 22:09:41 INFO imstat:::: -- IQR [quartile]: 3.56365e-05 Jy/beam 2025-09-23 22:09:41 INFO imstat:::: -- First quartile [q1]: -3.45278e-05 Jy/beam 2025-09-23 22:09:41 INFO imstat:::: -- Third quartile [q3]: 1.10869e-06 Jy/beam 2025-09-23 22:09:41 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:41 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:41 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:41 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:41 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:41 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:41 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 2025-09-23 22:09:41 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:40.618998 End time: 2025-09-23 22:09:40.647566 2025-09-23 22:09:41 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:41 INFO imstat::::casa ########################################## 2025-09-23 22:09:41 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:41 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:41 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 39.968292000deg' ) 2025-09-23 22:09:41 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:41 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:41 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:41 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:41 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:41 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:41 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:41 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:41 INFO MSTransformManager::open Select data 2025-09-23 22:09:41 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:41 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:09:41 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 298.023551625deg 39.968292000deg' successfully parsed 2025-09-23 22:09:41 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:41 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:41 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:40.660409 End time: 2025-09-23 22:09:41.032633 2025-09-23 22:09:41 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:41 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:41 INFO tclean::::casa ########################################## 2025-09-23 22:09:41 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:41 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-09-23 22:09:41 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:41 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:41 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:41 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:41 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:41 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:41 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:41 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:41 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:41 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:41 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:41 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:41 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:41 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.01007 2025-09-23 22:09:41 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:41 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:42 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:42 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:42 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:42 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:42 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:42 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:42 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:42 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:42 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:42 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:09:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:42 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:42 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:42 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:42 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:42 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:42 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'] 2025-09-23 22:09:42 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:41.050946 End time: 2025-09-23 22:09:42.389529 2025-09-23 22:09:42 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:42 INFO tclean::::casa ########################################## 2025-09-23 22:09:42 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:42 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:42 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) 2025-09-23 22:09:42 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:42 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:42 2025****** 2025-09-23 22:09:42 INFO ImageFitter::fit+ 2025-09-23 22:09:42 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:42 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:42 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:42 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:42 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:42 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:42 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:42 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:42 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:42 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:42 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) 2025-09-23 22:09:42 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:42 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:42 INFO imstat::::casa ########################################## 2025-09-23 22:09:42 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:42 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 ) 2025-09-23 22:09:42 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:42 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:42 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:42 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:42 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:42 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) 2025-09-23 22:09:42 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:42 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:42 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:42 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:42 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:09:42 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:09:42 INFO imstat:::: Values --- 2025-09-23 22:09:42 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:42 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:42 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:42 INFO imstat:::: -- minimum value [min]: -7.77826e-05 Jy/beam 2025-09-23 22:09:42 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:42 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:09:42 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:42 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:09:42 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:42 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:42 INFO imstat:::: Statistics --- 2025-09-23 22:09:42 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:42 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:42 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:42 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:42 INFO imstat:::: -- Median of the pixel values [median]: -1.86649e-05 Jy/beam 2025-09-23 22:09:42 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam 2025-09-23 22:09:42 INFO imstat:::: -- IQR [quartile]: 3.56026e-05 Jy/beam 2025-09-23 22:09:42 INFO imstat:::: -- First quartile [q1]: -3.45067e-05 Jy/beam 2025-09-23 22:09:42 INFO imstat:::: -- Third quartile [q3]: 1.09593e-06 Jy/beam 2025-09-23 22:09:42 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:42 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:42 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:42 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:42 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:42 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:42 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 2025-09-23 22:09:42 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:42.430122 End time: 2025-09-23 22:09:42.451620 2025-09-23 22:09:42 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:42 INFO imstat::::casa ########################################## 2025-09-23 22:09:42 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:42 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:42 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 0.697578292rad' ) 2025-09-23 22:09:42 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:42 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:42 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:42 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:42 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:42 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:42 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:42 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:42 INFO MSTransformManager::open Select data 2025-09-23 22:09:42 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:43 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:09:43 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 298.023551625deg 0.697578292rad' successfully parsed 2025-09-23 22:09:43 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:43 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:43 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:42.464408 End time: 2025-09-23 22:09:42.847419 2025-09-23 22:09:43 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:43 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:43 INFO tclean::::casa ########################################## 2025-09-23 22:09:43 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:43 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2025-09-23 22:09:43 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:43 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:43 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:43 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:43 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:43 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:43 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:43 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:43 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:43 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:43 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:43 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:43 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:43 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010063 2025-09-23 22:09:43 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:43 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:43 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:43 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:43 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:43 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:43 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:43 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:44 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:44 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:09:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:44 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:44 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:44 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:44 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:44 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:44 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'] 2025-09-23 22:09:44 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:42.865994 End time: 2025-09-23 22:09:44.081112 2025-09-23 22:09:44 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:44 INFO tclean::::casa ########################################## 2025-09-23 22:09:44 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:44 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:44 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) 2025-09-23 22:09:44 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:44 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:44 2025****** 2025-09-23 22:09:44 INFO ImageFitter::fit+ 2025-09-23 22:09:44 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:44 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:44 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:44 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:44 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:44 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:44 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:44 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:44 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:44 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:44 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) 2025-09-23 22:09:44 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000008 +/- 0.000777 arcsec 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ --- dec: 127.999992 +/- 0.000097 pixels 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:44 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:44 INFO imstat::::casa ########################################## 2025-09-23 22:09:44 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:44 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 ) 2025-09-23 22:09:44 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:44 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:44 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:44 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:44 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:44 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-09-23 22:09:44 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:44 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:44 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:44 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:44 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:09:44 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:09:44 INFO imstat:::: Values --- 2025-09-23 22:09:44 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:44 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:44 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:44 INFO imstat:::: -- minimum value [min]: -7.7789e-05 Jy/beam 2025-09-23 22:09:44 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:44 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:09:44 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:44 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:09:44 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:44 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:44 INFO imstat:::: Statistics --- 2025-09-23 22:09:44 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:44 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:44 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:44 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:44 INFO imstat:::: -- Median of the pixel values [median]: -1.86647e-05 Jy/beam 2025-09-23 22:09:44 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73649e-05 Jy/beam 2025-09-23 22:09:44 INFO imstat:::: -- IQR [quartile]: 3.56182e-05 Jy/beam 2025-09-23 22:09:44 INFO imstat:::: -- First quartile [q1]: -3.45079e-05 Jy/beam 2025-09-23 22:09:44 INFO imstat:::: -- Third quartile [q3]: 1.11022e-06 Jy/beam 2025-09-23 22:09:44 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:44 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:44 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:44 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:44 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:44 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:44 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778897e-05 4.999996e+00 2025-09-23 22:09:44 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:44.122026 End time: 2025-09-23 22:09:44.141967 2025-09-23 22:09:44 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:44 INFO imstat::::casa ########################################## 2025-09-23 22:09:44 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:44 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:44 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 39d58m05.8512' ) 2025-09-23 22:09:44 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:44 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:44 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:44 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:44 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:44 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:44 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:44 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:44 INFO MSTransformManager::open Select data 2025-09-23 22:09:44 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:44 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:09:44 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 5.201492224rad 39d58m05.8512' successfully parsed 2025-09-23 22:09:44 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:45 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:45 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:44.153774 End time: 2025-09-23 22:09:44.506919 2025-09-23 22:09:45 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:45 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:45 INFO tclean::::casa ########################################## 2025-09-23 22:09:45 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:45 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 ) 2025-09-23 22:09:45 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:45 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:45 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:45 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:45 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:45 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:45 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:45 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:45 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:45 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:45 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:45 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:45 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:45 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010055 2025-09-23 22:09:45 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:45 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:45 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:45 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:45 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:09:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:46 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:46 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:46 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:46 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:46 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'] 2025-09-23 22:09:46 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:44.524631 End time: 2025-09-23 22:09:45.803301 2025-09-23 22:09:46 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:46 INFO tclean::::casa ########################################## 2025-09-23 22:09:46 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:46 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:46 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) 2025-09-23 22:09:46 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:46 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:46 2025****** 2025-09-23 22:09:46 INFO ImageFitter::fit+ 2025-09-23 22:09:46 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:46 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:46 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:46 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:46 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:46 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:46 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:46 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:46 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:46 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:46 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) 2025-09-23 22:09:46 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116879 Jy 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126495 Jy 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ --- ra: 127.999990 +/- 0.000127 pixels 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:46 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:46 INFO imstat::::casa ########################################## 2025-09-23 22:09:46 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:46 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 ) 2025-09-23 22:09:46 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:46 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:46 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:46 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:46 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:46 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) 2025-09-23 22:09:46 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:46 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:46 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:46 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:46 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:09:46 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:09:46 INFO imstat:::: Values --- 2025-09-23 22:09:46 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:46 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:46 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:46 INFO imstat:::: -- minimum value [min]: -7.77853e-05 Jy/beam 2025-09-23 22:09:46 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:46 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:09:46 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:46 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:09:46 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:46 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:46 INFO imstat:::: Statistics --- 2025-09-23 22:09:46 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:46 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:46 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:46 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:46 INFO imstat:::: -- Median of the pixel values [median]: -1.86679e-05 Jy/beam 2025-09-23 22:09:46 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73586e-05 Jy/beam 2025-09-23 22:09:46 INFO imstat:::: -- IQR [quartile]: 3.56112e-05 Jy/beam 2025-09-23 22:09:46 INFO imstat:::: -- First quartile [q1]: -3.45109e-05 Jy/beam 2025-09-23 22:09:46 INFO imstat:::: -- Third quartile [q3]: 1.10039e-06 Jy/beam 2025-09-23 22:09:46 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:46 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:46 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:46 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:46 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:46 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:46 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 2025-09-23 22:09:46 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:45.844495 End time: 2025-09-23 22:09:45.864831 2025-09-23 22:09:46 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:46 INFO imstat::::casa ########################################## 2025-09-23 22:09:46 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:46 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:46 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 5.201492224rad 02:39:52.3901' ) 2025-09-23 22:09:46 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:46 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:46 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:46 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:46 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:46 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:46 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:46 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:46 INFO MSTransformManager::open Select data 2025-09-23 22:09:46 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:46 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. NOTE: you provided the Declination/Latitude value "02:39:52.3901" which is understood to be in units of hours. If you meant degrees, please replace ":" by ".". 2025-09-23 22:09:46 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 5.201492224rad 02:39:52.3901' successfully parsed 2025-09-23 22:09:46 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:46 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:46 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:45.877002 End time: 2025-09-23 22:09:46.290446 2025-09-23 22:09:46 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:46 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:46 INFO tclean::::casa ########################################## 2025-09-23 22:09:46 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:46 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 ) 2025-09-23 22:09:46 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:46 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:46 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:46 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:46 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:46 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:46 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:46 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:46 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:46 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:46 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:46 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:47 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:47 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010014 2025-09-23 22:09:47 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:47 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:47 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:47 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:47 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2025-09-23 22:09:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:48 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:48 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:48 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:48 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:48 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:48 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'] 2025-09-23 22:09:48 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:46.308265 End time: 2025-09-23 22:09:47.750934 2025-09-23 22:09:48 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:48 INFO tclean::::casa ########################################## 2025-09-23 22:09:48 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:48 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:48 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:09:48 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:48 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:48 2025****** 2025-09-23 22:09:48 INFO ImageFitter::fit+ 2025-09-23 22:09:48 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:48 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:48 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:48 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:48 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:48 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:48 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:48 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:48 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:48 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:48 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:09:48 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116885 Jy 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126501 Jy 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000034 +/- 0.000777 arcsec 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ --- ra: 127.999990 +/- 0.000127 pixels 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ --- dec: 127.999963 +/- 0.000097 pixels 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:48 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:48 INFO imstat::::casa ########################################## 2025-09-23 22:09:48 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:48 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 ) 2025-09-23 22:09:48 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:48 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:48 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:48 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:48 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:48 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz) 2025-09-23 22:09:48 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:48 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:48 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:48 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:48 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2025-09-23 22:09:48 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2025-09-23 22:09:48 INFO imstat:::: Values --- 2025-09-23 22:09:48 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:48 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:48 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:48 INFO imstat:::: -- minimum value [min]: -7.78268e-05 Jy/beam 2025-09-23 22:09:48 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:48 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:09:48 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:48 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:09:48 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:48 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:48 INFO imstat:::: Statistics --- 2025-09-23 22:09:48 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:48 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:48 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:48 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:48 INFO imstat:::: -- Median of the pixel values [median]: -1.8675e-05 Jy/beam 2025-09-23 22:09:48 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73782e-05 Jy/beam 2025-09-23 22:09:48 INFO imstat:::: -- IQR [quartile]: 3.56598e-05 Jy/beam 2025-09-23 22:09:48 INFO imstat:::: -- First quartile [q1]: -3.45364e-05 Jy/beam 2025-09-23 22:09:48 INFO imstat:::: -- Third quartile [q3]: 1.12335e-06 Jy/beam 2025-09-23 22:09:48 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:48 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:48 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:48 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:48 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:48 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:48 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 2025-09-23 22:09:48 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:47.806387 End time: 2025-09-23 22:09:47.828570 2025-09-23 22:09:48 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:48 INFO imstat::::casa ########################################## 2025-09-23 22:09:48 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:48 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:48 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 39.968292000deg' ) 2025-09-23 22:09:48 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:48 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:48 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:48 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:48 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:48 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:48 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:48 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:48 INFO MSTransformManager::open Select data 2025-09-23 22:09:48 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:48 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:09:48 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 5.201492224rad 39.968292000deg' successfully parsed 2025-09-23 22:09:48 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:48 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:48 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:47.841316 End time: 2025-09-23 22:09:48.280804 2025-09-23 22:09:48 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:48 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:48 INFO tclean::::casa ########################################## 2025-09-23 22:09:48 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:48 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 ) 2025-09-23 22:09:48 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:48 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:48 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:48 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:48 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:48 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:48 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:48 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:48 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:48 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:48 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:48 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:49 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:49 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010416 2025-09-23 22:09:49 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:49 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:49 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:49 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:49 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:49 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:49 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:49 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:49 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:49 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:49 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:49 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:09:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:49 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:49 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:49 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:49 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:50 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:50 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'] 2025-09-23 22:09:50 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:48.299300 End time: 2025-09-23 22:09:49.609152 2025-09-23 22:09:50 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:50 INFO tclean::::casa ########################################## 2025-09-23 22:09:50 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:50 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:50 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:09:50 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:50 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:50 2025****** 2025-09-23 22:09:50 INFO ImageFitter::fit+ 2025-09-23 22:09:50 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:50 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:50 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:50 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:50 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:50 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:50 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:50 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:50 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:50 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:50 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:09:50 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116879 Jy 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126495 Jy 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ --- ra: 127.999990 +/- 0.000127 pixels 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:50 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:50 INFO imstat::::casa ########################################## 2025-09-23 22:09:50 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:50 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 ) 2025-09-23 22:09:50 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:50 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:50 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:50 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:50 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:50 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-09-23 22:09:50 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:50 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:50 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:50 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:50 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:09:50 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:09:50 INFO imstat:::: Values --- 2025-09-23 22:09:50 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:50 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:50 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:50 INFO imstat:::: -- minimum value [min]: -7.77853e-05 Jy/beam 2025-09-23 22:09:50 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:50 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:09:50 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:50 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:09:50 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:50 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:50 INFO imstat:::: Statistics --- 2025-09-23 22:09:50 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:50 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:50 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:50 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:50 INFO imstat:::: -- Median of the pixel values [median]: -1.86679e-05 Jy/beam 2025-09-23 22:09:50 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73586e-05 Jy/beam 2025-09-23 22:09:50 INFO imstat:::: -- IQR [quartile]: 3.56112e-05 Jy/beam 2025-09-23 22:09:50 INFO imstat:::: -- First quartile [q1]: -3.45109e-05 Jy/beam 2025-09-23 22:09:50 INFO imstat:::: -- Third quartile [q3]: 1.10039e-06 Jy/beam 2025-09-23 22:09:50 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:50 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:50 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:50 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:50 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:50 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:50 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 2025-09-23 22:09:50 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:49.652751 End time: 2025-09-23 22:09:49.672853 2025-09-23 22:09:50 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:50 INFO imstat::::casa ########################################## 2025-09-23 22:09:50 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:50 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2025-09-23 22:09:50 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 0.697578292rad' ) 2025-09-23 22:09:50 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2025-09-23 22:09:50 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2025-09-23 22:09:50 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2025-09-23 22:09:50 INFO MSTransformManager::parseMsSpecParams Re-index is disabled 2025-09-23 22:09:50 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2025-09-23 22:09:50 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2025-09-23 22:09:50 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2025-09-23 22:09:50 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2025-09-23 22:09:50 INFO MSTransformManager::open Select data 2025-09-23 22:09:50 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2025-09-23 22:09:50 INFO PhaseShiftingTVI::parsePhasecenter Interpreting phasecenter as a single string, to be applied to all input (selected) fields. 2025-09-23 22:09:50 INFO PhaseShiftingTVI::checkPhaseCenterStr Phase center 'B1950_VLA 5.201492224rad 0.697578292rad' successfully parsed 2025-09-23 22:09:50 INFO phaseshift::::casa Shift phase center 2025-09-23 22:09:50 INFO phaseshift::::casa Updating the FIELD subtable of the output MeasurementSet with shifted phase centers 2025-09-23 22:09:50 INFO phaseshift::::casa Task phaseshift complete. Start time: 2025-09-23 22:09:49.685321 End time: 2025-09-23 22:09:50.113187 2025-09-23 22:09:50 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2025-09-23 22:09:50 INFO phaseshift::::casa ########################################## 2025-09-23 22:09:50 INFO tclean::::casa ########################################## 2025-09-23 22:09:50 INFO tclean::::casa ##### Begin Task: tclean ##### 2025-09-23 22:09:50 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 ) 2025-09-23 22:09:50 INFO tclean::::casa Verifying Input Parameters 2025-09-23 22:09:50 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2025-09-23 22:09:50 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2025-09-23 22:09:50 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:50 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2025-09-23 22:09:50 INFO SynthesisImagerVi2::defineImage Impars: start 2025-09-23 22:09:50 INFO SynthesisImagerVi2::defineImage Shape: [256, 256, 1, 1] Spectral: [9.99982e+08] at [0] with increment [1e+08] 2025-09-23 22:09:50 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2025-09-23 22:09:50 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003777 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2025-09-23 22:09:50 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2025-09-23 22:09:50 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2025-09-23 22:09:50 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2025-09-23 22:09:50 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2025-09-23 22:09:50 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.018131 2025-09-23 22:09:50 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:50 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2025-09-23 22:09:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2025-09-23 22:09:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0, over full image : 5 2025-09-23 22:09:51 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2025-09-23 22:09:51 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2025-09-23 22:09:51 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2025-09-23 22:09:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2025-09-23 22:09:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2025-09-23 22:09:51 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2025-09-23 22:09:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2025-09-23 22:09:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2025-09-23 22:09:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2025-09-23 22:09:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2025-09-23 22:09:51 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2025-09-23 22:09:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2025-09-23 22:09:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2025-09-23 22:09:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2025-09-23 22:09:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2025-09-23 22:09:51 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2025-09-23 22:09:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2025-09-23 22:09:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2025-09-23 22:09:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2025-09-23 22:09:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2025-09-23 22:09:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2025-09-23 22:09:51 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2025-09-23 22:09:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2025-09-23 22:09:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2025-09-23 22:09:51 INFO tclean::::casa Reached global stopping criterion : iteration limit 2025-09-23 22:09:51 INFO tclean::::casa getSummary call: fullsummary=False 2025-09-23 22:09:51 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2025-09-23 22:09:51 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2025-09-23 22:09:52 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'] 2025-09-23 22:09:52 INFO tclean::::casa Task tclean complete. Start time: 2025-09-23 22:09:50.149335 End time: 2025-09-23 22:09:51.624153 2025-09-23 22:09:52 INFO tclean::::casa ##### End Task: tclean ##### 2025-09-23 22:09:52 INFO tclean::::casa ########################################## 2025-09-23 22:09:52 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2025-09-23 22:09:52 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:52 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2025-09-23 22:09:52 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2025-09-23 22:09:52 INFO ImageFitter::fit ****** Fit performed at Tue Sep 23 22:09:52 2025****** 2025-09-23 22:09:52 INFO ImageFitter::fit+ 2025-09-23 22:09:52 INFO ImageFitter::fit+ Input parameters --- 2025-09-23 22:09:52 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2025-09-23 22:09:52 INFO ImageFitter::fit+ --- region: 2025-09-23 22:09:52 INFO ImageFitter::fit+ --- channel: 0 2025-09-23 22:09:52 INFO ImageFitter::fit+ --- stokes: I 2025-09-23 22:09:52 INFO ImageFitter::fit+ --- mask: 2025-09-23 22:09:52 INFO ImageFitter::fit+ --- include pixel range: [] 2025-09-23 22:09:52 INFO ImageFitter::fit+ --- exclude pixel range: [] 2025-09-23 22:09:52 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2025-09-23 22:09:52 INFO ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:52 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2025-09-23 22:09:52 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ Position --- 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle) 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000008 +/- 0.000777 arcsec 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ --- ra: 127.999990 +/- 0.000127 pixels 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ --- dec: 127.999992 +/- 0.000097 pixels 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ Clean beam size --- 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ Flux --- 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ --- Polarization: I 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ Spectrum --- 2025-09-23 22:09:52 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2025-09-23 22:09:52 INFO imstat::::casa ########################################## 2025-09-23 22:09:52 INFO imstat::::casa ##### Begin Task: imstat ##### 2025-09-23 22:09:52 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 ) 2025-09-23 22:09:52 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2025-09-23 22:09:52 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2025-09-23 22:09:52 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2025-09-23 22:09:52 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2025-09-23 22:09:52 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2025-09-23 22:09:52 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2025-09-23 22:09:52 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2025-09-23 22:09:52 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2025-09-23 22:09:52 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2025-09-23 22:09:52 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2025-09-23 22:09:52 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2025-09-23 22:09:52 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2025-09-23 22:09:52 INFO imstat:::: Values --- 2025-09-23 22:09:52 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2025-09-23 22:09:52 INFO imstat:::: -- number of points [npts]: 65536 2025-09-23 22:09:52 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2025-09-23 22:09:52 INFO imstat:::: -- minimum value [min]: -7.77956e-05 Jy/beam 2025-09-23 22:09:52 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2025-09-23 22:09:52 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2025-09-23 22:09:52 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2025-09-23 22:09:52 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2025-09-23 22:09:52 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2025-09-23 22:09:52 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2025-09-23 22:09:52 INFO imstat:::: Statistics --- 2025-09-23 22:09:52 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2025-09-23 22:09:52 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2025-09-23 22:09:52 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2025-09-23 22:09:52 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2025-09-23 22:09:52 INFO imstat:::: -- Median of the pixel values [median]: -1.86648e-05 Jy/beam 2025-09-23 22:09:52 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73536e-05 Jy/beam 2025-09-23 22:09:52 INFO imstat:::: -- IQR [quartile]: 3.5639e-05 Jy/beam 2025-09-23 22:09:52 INFO imstat:::: -- First quartile [q1]: -3.45152e-05 Jy/beam 2025-09-23 22:09:52 INFO imstat:::: -- Third quartile [q3]: 1.12373e-06 Jy/beam 2025-09-23 22:09:52 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2025-09-23 22:09:52 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2025-09-23 22:09:52 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2025-09-23 22:09:52 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2025-09-23 22:09:52 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2025-09-23 22:09:52 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2025-09-23 22:09:52 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 2025-09-23 22:09:52 INFO imstat::::casa Task imstat complete. Start time: 2025-09-23 22:09:51.673508 End time: 2025-09-23 22:09:51.700150 2025-09-23 22:09:52 INFO imstat::::casa ##### End Task: imstat ##### 2025-09-23 22:09:52 INFO imstat::::casa ########################################## . ---------------------------------------------------------------------- Ran 26 tests in 350.247s OK Generating XML reports...