2024-04-11 17:23:17 INFO ::casa Using configuration file ~/.casa/config.py 2024-04-11 17:23:17 INFO ::casa 2024-04-11 17:23:17 INFO ::casa Checking Measures tables in data repository sub-directory /wheeldirectory/casa-CAS-13606-7-py3.8.el8/lib/py/lib/python3.8/site-packages/casadata/__data__/geodetic 2024-04-11 17:23:17 INFO ::casa IERSeop2000 (version date, last date in table (UTC)): 2024/03/09/15:00, 2024/02/08/00:00:00 2024-04-11 17:23:17 INFO ::casa IERSeop97 (version date, last date in table (UTC)): 2024/03/09/15:00, 2024/02/08/00:00:00 2024-04-11 17:23:17 INFO ::casa IERSpredict (version date, last date in table (UTC)): 2024/04/07/15:00, 2024/07/06/00:00:00 2024-04-11 17:23:17 INFO ::casa TAI_UTC (version date, last date in table (UTC)): 2024/03/21/15:00, 2017/01/01/00:00:00 2024-04-11 17:23:18 INFO phaseshift::::casa ########################################## 2024-04-11 17:23:18 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:23:18 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' ) 2024-04-11 17:23:18 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2024-04-11 17:23:18 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:23:18 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2024-04-11 17:23:18 INFO MSTransformManager::parseDataSelParams array selection is 1 2024-04-11 17:23:18 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:23:18 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:23:18 INFO MSTransformManager::initDataSelectionParams Selected Arrays Ids are [1] 2024-04-11 17:23:18 INFO MSTransformManager::open Select data 2024-04-11 17:23:18 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:23:18 SEVERE phaseshift::::casa MSSelectionNullSelection : The selected table has zero rows. 2024-04-11 17:23:18 INFO name:: No table opened. 2024-04-11 17:23:18 INFO name:: No table opened. 2024-04-11 17:23:18 SEVERE phaseshift::::casa Exception Reported: Error in phaseshift: MSSelectionNullSelection : The selected table has zero rows. 2024-04-11 17:23:18 INFO phaseshift::::casa Traceback (most recent call last): 2024-04-11 17:23:18 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-13606-7-py3.8.el8/lib/py/lib/python3.8/site-packages/casatasks/private/task_phaseshift.py", line 109, in phaseshift 2024-04-11 17:23:18 INFO phaseshift::::casa+ mtlocal.open() 2024-04-11 17:23:18 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-13606-7-py3.8.el8/lib/py/lib/python3.8/site-packages/casatools/mstransformer.py", line 36, in open 2024-04-11 17:23:18 INFO phaseshift::::casa+ return self._swigobj.open() 2024-04-11 17:23:18 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-13606-7-py3.8.el8/lib/py/lib/python3.8/site-packages/casatools/__casac__/mstransformer.py", line 176, in open 2024-04-11 17:23:18 INFO phaseshift::::casa+ return _mstransformer.mstransformer_open(self) 2024-04-11 17:23:18 INFO phaseshift::::casa+ RuntimeError: MSSelectionNullSelection : The selected table has zero rows. 2024-04-11 17:23:18 INFO phaseshift::::casa+ 2024-04-11 17:23:18 INFO phaseshift::::casa+ During handling of the above exception, another exception occurred: 2024-04-11 17:23:18 INFO phaseshift::::casa+ 2024-04-11 17:23:18 INFO phaseshift::::casa+ Traceback (most recent call last): 2024-04-11 17:23:18 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-13606-7-py3.8.el8/lib/py/lib/python3.8/site-packages/casashell/private/phaseshift.py", line 556, in __call__ 2024-04-11 17:23:18 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'] ) 2024-04-11 17:23:18 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-13606-7-py3.8.el8/lib/py/lib/python3.8/site-packages/casatasks/private/task_phaseshift.py", line 120, in phaseshift 2024-04-11 17:23:18 INFO phaseshift::::casa+ raise RuntimeError(str(instance)) 2024-04-11 17:23:18 INFO phaseshift::::casa+ RuntimeError: MSSelectionNullSelection : The selected table has zero rows. 2024-04-11 17:23:18 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:23:18.458308 End time: 2024-04-11 17:23:18.497966 2024-04-11 17:23:18 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:23:18 INFO phaseshift::::casa ########################################## 2024-04-11 17:23:18 INFO phaseshift::::casa ########################################## 2024-04-11 17:23:18 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:23:18 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' ) 2024-04-11 17:23:19 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2024-04-11 17:23:19 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:23:19 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2024-04-11 17:23:19 INFO MSTransformManager::parseDataSelParams array selection is 0 2024-04-11 17:23:19 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:23:19 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:23:19 INFO MSTransformManager::initDataSelectionParams Selected Arrays Ids are [0] 2024-04-11 17:23:19 INFO MSTransformManager::open Select data 2024-04-11 17:23:19 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:23:19 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2024-04-11 17:23:19 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2024-04-11 17:23:20 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 00h06m14 -06d23m35 successfully parsed 2024-04-11 17:23:20 INFO phaseshift::::casa Shift phase center 2024-04-11 17:23:20 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:23:18.499096 End time: 2024-04-11 17:23:19.798117 2024-04-11 17:23:20 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:23:20 INFO phaseshift::::casa ########################################## 2024-04-11 17:23:21 INFO phaseshift::::casa ########################################## 2024-04-11 17:23:21 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:23:21 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' ) 2024-04-11 17:23:21 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2024-04-11 17:23:21 INFO MSTransformManager::parseMsSpecParams Data column is MODEL 2024-04-11 17:23:21 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2024-04-11 17:23:21 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:23:21 WARN MSTransformManager::checkDataColumnsToFill MODEL_DATA column requested but not available in input MS 2024-04-11 17:23:21 INFO MSTransformManager::open Select data 2024-04-11 17:23:21 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:23:21 SEVERE phaseshift::::casa 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). 2024-04-11 17:23:21 INFO name:: No table opened. 2024-04-11 17:23:21 INFO name:: No table opened. 2024-04-11 17:23:21 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). 2024-04-11 17:23:21 INFO phaseshift::::casa Traceback (most recent call last): 2024-04-11 17:23:21 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-13606-7-py3.8.el8/lib/py/lib/python3.8/site-packages/casatasks/private/task_phaseshift.py", line 109, in phaseshift 2024-04-11 17:23:21 INFO phaseshift::::casa+ mtlocal.open() 2024-04-11 17:23:21 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-13606-7-py3.8.el8/lib/py/lib/python3.8/site-packages/casatools/mstransformer.py", line 36, in open 2024-04-11 17:23:21 INFO phaseshift::::casa+ return self._swigobj.open() 2024-04-11 17:23:21 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-13606-7-py3.8.el8/lib/py/lib/python3.8/site-packages/casatools/__casac__/mstransformer.py", line 176, in open 2024-04-11 17:23:21 INFO phaseshift::::casa+ return _mstransformer.mstransformer_open(self) 2024-04-11 17:23:21 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). 2024-04-11 17:23:21 INFO phaseshift::::casa+ 2024-04-11 17:23:21 INFO phaseshift::::casa+ During handling of the above exception, another exception occurred: 2024-04-11 17:23:21 INFO phaseshift::::casa+ 2024-04-11 17:23:21 INFO phaseshift::::casa+ Traceback (most recent call last): 2024-04-11 17:23:21 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-13606-7-py3.8.el8/lib/py/lib/python3.8/site-packages/casashell/private/phaseshift.py", line 556, in __call__ 2024-04-11 17:23:21 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'] ) 2024-04-11 17:23:21 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-13606-7-py3.8.el8/lib/py/lib/python3.8/site-packages/casatasks/private/task_phaseshift.py", line 120, in phaseshift 2024-04-11 17:23:21 INFO phaseshift::::casa+ raise RuntimeError(str(instance)) 2024-04-11 17:23:21 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). 2024-04-11 17:23:21 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:23:20.772148 End time: 2024-04-11 17:23:20.797878 2024-04-11 17:23:21 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:23:21 INFO phaseshift::::casa ########################################## 2024-04-11 17:23:22 INFO phaseshift::::casa ########################################## 2024-04-11 17:23:22 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:23:22 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' ) 2024-04-11 17:23:22 INFO MSTransformManager::parseMsSpecParams Input file name is Itziar_copy.ms 2024-04-11 17:23:22 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:23:22 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2024-04-11 17:23:22 INFO MSTransformManager::parseDataSelParams field selection is 2 2024-04-11 17:23:22 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:23:22 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:23:22 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:23:22 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:23:22 INFO MSTransformManager::initDataSelectionParams Selected Fields Ids are [2] 2024-04-11 17:23:22 INFO MSTransformManager::open Select data 2024-04-11 17:23:22 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:23:22 INFO MSTransformDataHandler::makeSelection 6125 out of 245000 rows are going to be considered due to the selection criteria. 2024-04-11 17:23:22 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 00h00m01 -29d55m40 successfully parsed 2024-04-11 17:23:22 INFO phaseshift::::casa Shift phase center 2024-04-11 17:23:22 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:23:21.637295 End time: 2024-04-11 17:23:22.163603 2024-04-11 17:23:22 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:23:22 INFO phaseshift::::casa ########################################## 2024-04-11 17:23:23 INFO phaseshift::::casa ########################################## 2024-04-11 17:23:23 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:23:23 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' ) 2024-04-11 17:23:23 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2024-04-11 17:23:23 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:23:23 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2024-04-11 17:23:23 INFO MSTransformManager::parseDataSelParams scan intent selection is *FLUX* 2024-04-11 17:23:23 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:23:23 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:23:23 INFO MSTransformManager::initDataSelectionParams Selected Scans Intents Ids are [12] 2024-04-11 17:23:23 INFO MSTransformManager::open Select data 2024-04-11 17:23:23 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:23:23 INFO MSTransformDataHandler::makeSelection 570 out of 6270 rows are going to be considered due to the selection criteria. 2024-04-11 17:23:24 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2024-04-11 17:23:24 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2024-04-11 17:23:24 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 00h06m14 -06d23m35 successfully parsed 2024-04-11 17:23:24 INFO phaseshift::::casa Shift phase center 2024-04-11 17:23:24 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:23:23.065006 End time: 2024-04-11 17:23:24.282586 2024-04-11 17:23:24 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:23:24 INFO phaseshift::::casa ########################################## 2024-04-11 17:23:25 INFO phaseshift::::casa ########################################## 2024-04-11 17:23:25 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:23:25 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' ) 2024-04-11 17:23:25 INFO MSTransformManager::parseMsSpecParams Input file name is mms_copy.mms 2024-04-11 17:23:25 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:23:25 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2024-04-11 17:23:25 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:23:25 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:23:25 INFO MSTransformManager::open Select data 2024-04-11 17:23:25 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:23:26 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 05h30m48 13d31m48 successfully parsed 2024-04-11 17:23:26 INFO phaseshift::::casa Shift phase center 2024-04-11 17:23:26 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:23:25.263720 End time: 2024-04-11 17:23:25.983664 2024-04-11 17:23:26 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:23:26 INFO phaseshift::::casa ########################################## 2024-04-11 17:23:27 INFO phaseshift::::casa ########################################## 2024-04-11 17:23:27 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:23:27 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' ) 2024-04-11 17:23:27 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2024-04-11 17:23:27 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:23:27 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2024-04-11 17:23:27 INFO MSTransformManager::parseDataSelParams observation selection is 1 2024-04-11 17:23:27 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:23:27 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:23:27 INFO MSTransformManager::initDataSelectionParams Selected Observations Ids are [] 2024-04-11 17:23:27 INFO MSTransformManager::open Select data 2024-04-11 17:23:27 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:23:27 SEVERE phaseshift::::casa MSSelectionNullSelection : The selected table has zero rows. 2024-04-11 17:23:27 INFO name:: No table opened. 2024-04-11 17:23:27 INFO name:: No table opened. 2024-04-11 17:23:27 SEVERE phaseshift::::casa Exception Reported: Error in phaseshift: MSSelectionNullSelection : The selected table has zero rows. 2024-04-11 17:23:27 INFO phaseshift::::casa Traceback (most recent call last): 2024-04-11 17:23:27 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-13606-7-py3.8.el8/lib/py/lib/python3.8/site-packages/casatasks/private/task_phaseshift.py", line 109, in phaseshift 2024-04-11 17:23:27 INFO phaseshift::::casa+ mtlocal.open() 2024-04-11 17:23:27 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-13606-7-py3.8.el8/lib/py/lib/python3.8/site-packages/casatools/mstransformer.py", line 36, in open 2024-04-11 17:23:27 INFO phaseshift::::casa+ return self._swigobj.open() 2024-04-11 17:23:27 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-13606-7-py3.8.el8/lib/py/lib/python3.8/site-packages/casatools/__casac__/mstransformer.py", line 176, in open 2024-04-11 17:23:27 INFO phaseshift::::casa+ return _mstransformer.mstransformer_open(self) 2024-04-11 17:23:27 INFO phaseshift::::casa+ RuntimeError: MSSelectionNullSelection : The selected table has zero rows. 2024-04-11 17:23:27 INFO phaseshift::::casa+ 2024-04-11 17:23:27 INFO phaseshift::::casa+ During handling of the above exception, another exception occurred: 2024-04-11 17:23:27 INFO phaseshift::::casa+ 2024-04-11 17:23:27 INFO phaseshift::::casa+ Traceback (most recent call last): 2024-04-11 17:23:27 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-13606-7-py3.8.el8/lib/py/lib/python3.8/site-packages/casashell/private/phaseshift.py", line 556, in __call__ 2024-04-11 17:23:27 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'] ) 2024-04-11 17:23:27 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-13606-7-py3.8.el8/lib/py/lib/python3.8/site-packages/casatasks/private/task_phaseshift.py", line 120, in phaseshift 2024-04-11 17:23:27 INFO phaseshift::::casa+ raise RuntimeError(str(instance)) 2024-04-11 17:23:27 INFO phaseshift::::casa+ RuntimeError: MSSelectionNullSelection : The selected table has zero rows. 2024-04-11 17:23:27 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:23:26.852963 End time: 2024-04-11 17:23:26.883854 2024-04-11 17:23:27 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:23:27 INFO phaseshift::::casa ########################################## 2024-04-11 17:23:27 INFO phaseshift::::casa ########################################## 2024-04-11 17:23:27 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:23:27 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' ) 2024-04-11 17:23:27 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2024-04-11 17:23:27 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:23:27 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2024-04-11 17:23:27 INFO MSTransformManager::parseDataSelParams observation selection is 0 2024-04-11 17:23:27 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:23:27 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:23:27 INFO MSTransformManager::initDataSelectionParams Selected Observations Ids are [0] 2024-04-11 17:23:27 INFO MSTransformManager::open Select data 2024-04-11 17:23:27 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:23:27 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2024-04-11 17:23:28 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2024-04-11 17:23:28 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 00h06m14 -06d23m35 successfully parsed 2024-04-11 17:23:28 INFO phaseshift::::casa Shift phase center 2024-04-11 17:23:29 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:23:26.885108 End time: 2024-04-11 17:23:28.521113 2024-04-11 17:23:29 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:23:29 INFO phaseshift::::casa ########################################## 2024-04-11 17:23:30 INFO phaseshift::::casa ########################################## 2024-04-11 17:23:30 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:23:30 INFO phaseshift::::casa phaseshift( vis='datacopy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' ) 2024-04-11 17:23:30 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2024-04-11 17:23:30 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:23:30 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2024-04-11 17:23:30 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:23:30 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:23:30 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:23:30 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:23:30 INFO MSTransformManager::open Select data 2024-04-11 17:23:30 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:23:30 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19h53m50 40d06m00 successfully parsed 2024-04-11 17:23:30 INFO phaseshift::::casa Shift phase center 2024-04-11 17:23:31 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:23:29.521634 End time: 2024-04-11 17:23:31.151453 2024-04-11 17:23:31 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:23:31 INFO phaseshift::::casa ########################################## 2024-04-11 17:23:32 INFO phaseshift::::casa ########################################## 2024-04-11 17:23:32 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:23:32 INFO phaseshift::::casa phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='' ) 2024-04-11 17:23:32 SEVERE phaseshift::::casa Exception Reported: Error in phaseshift: phasecenter parameter must be specified 2024-04-11 17:23:32 INFO phaseshift::::casa Traceback (most recent call last): 2024-04-11 17:23:32 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-13606-7-py3.8.el8/lib/py/lib/python3.8/site-packages/casashell/private/phaseshift.py", line 556, in __call__ 2024-04-11 17:23:32 INFO phaseshift::::casa+ task_result = _phaseshift_t( _pc.document['vis'],_pc.document['outputvis'],_pc.document['keepmms'],_pc.document['field'],_pc.document['spw'],_pc.document['scan'],_pc.document['intent'],_pc.document['array'],_pc.document['observation'],_pc.document['datacolumn'],_pc.document['phasecenter'] ) 2024-04-11 17:23:32 INFO phaseshift::::casa+ File "/wheeldirectory/casa-CAS-13606-7-py3.8.el8/lib/py/lib/python3.8/site-packages/casatasks/private/task_phaseshift.py", line 30, in phaseshift 2024-04-11 17:23:32 INFO phaseshift::::casa+ raise ValueError('phasecenter parameter must be specified') 2024-04-11 17:23:32 INFO phaseshift::::casa+ ValueError: phasecenter parameter must be specified 2024-04-11 17:23:32 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:23:32.084296 End time: 2024-04-11 17:23:32.085018 2024-04-11 17:23:32 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:23:32 INFO phaseshift::::casa ########################################## 2024-04-11 17:23:32 INFO phaseshift::::casa ########################################## 2024-04-11 17:23:32 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:23:32 INFO phaseshift::::casa phaseshift( vis='nep_copy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 00h06m14 -08d23m35' ) 2024-04-11 17:23:32 INFO MSTransformManager::parseMsSpecParams Input file name is nep_copy.ms 2024-04-11 17:23:32 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:23:32 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2024-04-11 17:23:32 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:23:32 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:23:32 INFO MSTransformManager::open Select data 2024-04-11 17:23:32 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:23:33 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM0_Pallas_57501.36900000.tab for output field Pallas 2024-04-11 17:23:33 INFO MSTransformDataHandler::copyEphemerisTable Transferring ephemeris EPHEM1_Neptune_57501.36900000.tab for output field Neptune 2024-04-11 17:23:33 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 00h06m14 -08d23m35 successfully parsed 2024-04-11 17:23:33 INFO phaseshift::::casa Shift phase center 2024-04-11 17:23:34 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:23:32.086181 End time: 2024-04-11 17:23:33.539486 2024-04-11 17:23:34 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:23:34 INFO phaseshift::::casa ########################################## 2024-04-11 17:23:35 INFO phaseshift::::casa ########################################## 2024-04-11 17:23:35 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:23:35 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' ) 2024-04-11 17:23:35 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2024-04-11 17:23:35 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:23:35 INFO MSTransformManager::parseMsSpecParams Output file name is post_phaseshift.ms 2024-04-11 17:23:35 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:23:35 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:23:35 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:23:35 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:23:35 INFO MSTransformManager::open Select data 2024-04-11 17:23:35 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:23:35 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19h53m50 40d06m00 successfully parsed 2024-04-11 17:23:35 INFO phaseshift::::casa Shift phase center 2024-04-11 17:23:36 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:23:34.533139 End time: 2024-04-11 17:23:36.067092 2024-04-11 17:23:36 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:23:36 INFO phaseshift::::casa ########################################## 2024-04-11 17:23:36 INFO tclean::::casa ########################################## 2024-04-11 17:23:36 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:23:36 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 ) 2024-04-11 17:23:36 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:23:36 INFO SynthesisImagerVi2::selectData MS : datacopy.ms | [Opened in readonly mode] 2024-04-11 17:23:36 INFO SynthesisImagerVi2::selectData NRows selected : 63180 2024-04-11 17:23:36 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im2_pre] : 2024-04-11 17:23:36 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:23:36 INFO SynthesisImagerVi2::defineImage Shape : [2048, 2048, 1, 1]Spectral : [1.49998e+09] at [0] with increment [1.99998e+09] 2024-04-11 17:23:36 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im2_pre] with ftmachine : wprojectft 2024-04-11 17:23:36 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.3492 GB. Available mem.: 11 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:23:36 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:23:36 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im2_pre] : hogbom 2024-04-11 17:23:36 INFO SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:23:36 INFO WPConvFunc::findConvFunction W projection using 128 planes 2024-04-11 17:23:36 INFO WPConvFunc::findConvFunction Using maximum possible W = 10313.2 (wavelengths) 2024-04-11 17:23:36 INFO WPConvFunc::findConvFunction Typical wavelength = 0.299796 (m) 2024-04-11 17:23:36 INFO WPConvFunc::findConvFunction Scaling in W (at maximum W) = 0.639422 wavelengths per pixel 2024-04-11 17:24:05 INFO WPConvFunc::findConvFunction Convolution support = [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 28, 28, 28, 28, 28, 28, 28, 28, 28, 32, 32, 32, 32, 32, 32, 32, 32, 36, 36, 36, 36, 36, 36, 36, 40, 40, 40, 40, 40, 40, 44, 44, 44, 44, 44, 44, 44, 48, 48, 48, 48, 48, 52, 52, 52, 52, 52, 52, 56, 56, 56, 56, 56, 60, 60, 60, 60, 60, 64, 64, 64, 64, 64, 68, 68, 68, 68, 68, 72, 72, 72, 72, 76, 76, 76, 76, 80, 80, 80] pixels in Fourier plane 2024-04-11 17:24:05 INFO WPConvFunc::findConvFunction Memory used in gridding function = 7 MB from maximum 15884 MB 2024-04-11 17:24:08 INFO SIImageStore::calcSensitivity [im2_pre] Theoretical sensitivity (Jy/bm):0.00204403 2024-04-11 17:24:08 INFO SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.08537 2024-04-11 17:24:08 INFO SIImageStore::printBeamSet Beam : 54.8469 arcsec, 48.7749 arcsec, 82.835 deg 2024-04-11 17:24:08 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:24:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:24:10 INFO task_tclean::SDAlgorithmBase::restore [im2_pre] : Restoring model image. 2024-04-11 17:24:10 WARN task_tclean::SIImageStore::restore (file /source/casa6/casatools/src/code/synthesis/ImagerObjects/SIImageStore.cc, line 2284) Restoring with an empty model image. Only residuals will be processed to form the output restored image. 2024-04-11 17:24:11 INFO task_tclean::SIImageStore::restore Beam for chan : 0 : 54.8469 arcsec, 48.7749 arcsec, 82.835 deg 2024-04-11 17:24:11 INFO tclean::::casa Searching for images with prefix 'im2_pre'... Found these, writing history into them: ['im2_pre.psf', 'im2_pre.sumwt', 'im2_pre.pb', 'im2_pre.image', 'im2_pre.model', 'im2_pre.residual'] 2024-04-11 17:24:11 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:23:36.151491 End time: 2024-04-11 17:24:10.806288 2024-04-11 17:24:11 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:24:11 INFO tclean::::casa ########################################## 2024-04-11 17:24:11 INFO tclean::::casa ########################################## 2024-04-11 17:24:11 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:24:11 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 ) 2024-04-11 17:24:11 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:24:11 INFO SynthesisImagerVi2::selectData MS : post_phaseshift.ms | [Opened in readonly mode] 2024-04-11 17:24:11 INFO SynthesisImagerVi2::selectData NRows selected : 63180 2024-04-11 17:24:11 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im2_post_phaseshift] : 2024-04-11 17:24:11 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:24:11 INFO SynthesisImagerVi2::defineImage Shape : [2048, 2048, 1, 1]Spectral : [1.49998e+09] at [0] with increment [1.99998e+09] 2024-04-11 17:24:11 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im2_post_phaseshift] with ftmachine : wprojectft 2024-04-11 17:24:11 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.3492 GB. Available mem.: 10.98 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:24:11 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:24:11 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im2_post_phaseshift] : hogbom 2024-04-11 17:24:11 INFO SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:24:11 INFO WPConvFunc::findConvFunction W projection using 128 planes 2024-04-11 17:24:11 INFO WPConvFunc::findConvFunction Using maximum possible W = 10313.2 (wavelengths) 2024-04-11 17:24:11 INFO WPConvFunc::findConvFunction Typical wavelength = 0.299796 (m) 2024-04-11 17:24:11 INFO WPConvFunc::findConvFunction Scaling in W (at maximum W) = 0.639422 wavelengths per pixel 2024-04-11 17:24:38 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 2024-04-11 17:24:38 INFO WPConvFunc::findConvFunction Memory used in gridding function = 7 MB from maximum 15884 MB 2024-04-11 17:24:40 INFO SIImageStore::calcSensitivity [im2_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00204403 2024-04-11 17:24:40 INFO SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.065366 2024-04-11 17:24:40 INFO SIImageStore::printBeamSet Beam : 54.3737 arcsec, 48.741 arcsec, 82.2249 deg 2024-04-11 17:24:40 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:24:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:24:43 INFO task_tclean::SDAlgorithmBase::restore [im2_post_phaseshift] : Restoring model image. 2024-04-11 17:24:43 WARN task_tclean::SIImageStore::restore (file /source/casa6/casatools/src/code/synthesis/ImagerObjects/SIImageStore.cc, line 2284) Restoring with an empty model image. Only residuals will be processed to form the output restored image. 2024-04-11 17:24:43 INFO task_tclean::SIImageStore::restore Beam for chan : 0 : 54.3737 arcsec, 48.741 arcsec, 82.2249 deg 2024-04-11 17:24:43 INFO tclean::::casa Searching for images with prefix 'im2_post_phaseshift'... Found these, writing history into them: ['im2_post_phaseshift.sumwt', 'im2_post_phaseshift.psf', 'im2_post_phaseshift.model', 'im2_post_phaseshift.pb', 'im2_post_phaseshift.image', 'im2_post_phaseshift.residual'] 2024-04-11 17:24:43 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:24:10.855922 End time: 2024-04-11 17:24:42.903110 2024-04-11 17:24:43 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:24:43 INFO tclean::::casa ########################################## 2024-04-11 17:24:43 INFO tclean::::casa ########################################## 2024-04-11 17:24:43 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:24:43 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 ) 2024-04-11 17:24:43 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:24:43 INFO SynthesisImagerVi2::selectData MS : post_phaseshift.ms | [Opened in readonly mode] 2024-04-11 17:24:43 INFO SynthesisImagerVi2::selectData NRows selected : 63180 2024-04-11 17:24:43 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im2_post_phaseshift_tclean_phasecenter] : 2024-04-11 17:24:43 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:24:43 INFO SynthesisImagerVi2::defineImage Shape : [2048, 2048, 1, 1]Spectral : [1.49998e+09] at [0] with increment [1.99998e+09] 2024-04-11 17:24:43 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im2_post_phaseshift_tclean_phasecenter] with ftmachine : wprojectft 2024-04-11 17:24:43 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.3492 GB. Available mem.: 11 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:24:43 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:24:43 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im2_post_phaseshift_tclean_phasecenter] : hogbom 2024-04-11 17:24:43 INFO SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:24:43 INFO WPConvFunc::findConvFunction W projection using 128 planes 2024-04-11 17:24:43 INFO WPConvFunc::findConvFunction Using maximum possible W = 10313.2 (wavelengths) 2024-04-11 17:24:43 INFO WPConvFunc::findConvFunction Typical wavelength = 0.299796 (m) 2024-04-11 17:24:43 INFO WPConvFunc::findConvFunction Scaling in W (at maximum W) = 0.639422 wavelengths per pixel 2024-04-11 17:25:10 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 2024-04-11 17:25:10 INFO WPConvFunc::findConvFunction Memory used in gridding function = 7 MB from maximum 15884 MB 2024-04-11 17:25:13 INFO SIImageStore::calcSensitivity [im2_post_phaseshift_tclean_phasecenter] Theoretical sensitivity (Jy/bm):0.00204403 2024-04-11 17:25:13 INFO SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.075734 2024-04-11 17:25:13 INFO SIImageStore::printBeamSet Beam : 54.8469 arcsec, 48.775 arcsec, 82.8349 deg 2024-04-11 17:25:13 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:25:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:25:15 INFO task_tclean::SDAlgorithmBase::restore [im2_post_phaseshift_tclean_phasecenter] : Restoring model image. 2024-04-11 17:25:15 WARN task_tclean::SIImageStore::restore (file /source/casa6/casatools/src/code/synthesis/ImagerObjects/SIImageStore.cc, line 2284) Restoring with an empty model image. Only residuals will be processed to form the output restored image. 2024-04-11 17:25:15 INFO task_tclean::SIImageStore::restore Beam for chan : 0 : 54.8469 arcsec, 48.775 arcsec, 82.8349 deg 2024-04-11 17:25:15 INFO tclean::::casa Searching for images with prefix 'im2_post_phaseshift_tclean_phasecenter'... Found these, writing history into them: ['im2_post_phaseshift_tclean_phasecenter.pb', 'im2_post_phaseshift_tclean_phasecenter.model', 'im2_post_phaseshift_tclean_phasecenter.image', 'im2_post_phaseshift_tclean_phasecenter.residual', 'im2_post_phaseshift_tclean_phasecenter.sumwt', 'im2_post_phaseshift_tclean_phasecenter.psf'] 2024-04-11 17:25:15 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:24:42.940815 End time: 2024-04-11 17:25:15.099413 2024-04-11 17:25:15 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:25:15 INFO tclean::::casa ########################################## 2024-04-11 17:25:16 INFO phaseshift::::casa ########################################## 2024-04-11 17:25:16 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:25:16 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' ) 2024-04-11 17:25:16 INFO MSTransformManager::parseMsSpecParams Input file name is ngc_copy.ms 2024-04-11 17:25:16 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:25:16 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2024-04-11 17:25:16 INFO MSTransformManager::parseDataSelParams spw selection is 1 2024-04-11 17:25:16 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:25:16 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:25:16 INFO MSTransformManager::initDataSelectionParams Selected SPWs Ids are Axis Lengths: [1, 4] (NB: Matrix in Row/Column order) 2024-04-11 17:25:16 INFO MSTransformManager::initDataSelectionParams+ [1, 0, 4, 1] 2024-04-11 17:25:16 INFO MSTransformManager::open Select data 2024-04-11 17:25:16 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:25:16 INFO MSTransformDataHandler::makeSelection 13338 out of 26676 rows are going to be considered due to the selection criteria. 2024-04-11 17:25:17 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 23h11m54 61d10m54 successfully parsed 2024-04-11 17:25:17 INFO phaseshift::::casa Shift phase center 2024-04-11 17:25:17 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:25:16.230087 End time: 2024-04-11 17:25:16.729413 2024-04-11 17:25:17 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:25:17 INFO phaseshift::::casa ########################################## 2024-04-11 17:25:18 INFO phaseshift::::casa ########################################## 2024-04-11 17:25:18 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:25:18 INFO phaseshift::::casa phaseshift( vis='datacopy.ms', outputvis='phaseshiftout.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' ) 2024-04-11 17:25:18 INFO MSTransformManager::parseMsSpecParams Input file name is datacopy.ms 2024-04-11 17:25:18 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:25:18 INFO MSTransformManager::parseMsSpecParams Output file name is phaseshiftout.ms 2024-04-11 17:25:18 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:25:18 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:25:18 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:25:18 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:25:18 INFO MSTransformManager::open Select data 2024-04-11 17:25:18 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:25:18 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19h53m50 40d06m00 successfully parsed 2024-04-11 17:25:18 INFO phaseshift::::casa Shift phase center 2024-04-11 17:25:19 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:25:17.669558 End time: 2024-04-11 17:25:19.368427 2024-04-11 17:25:19 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:25:19 INFO phaseshift::::casa ########################################## 2024-04-11 17:25:20 INFO phaseshift::::casa ########################################## 2024-04-11 17:25:20 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:25:20 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' ) 2024-04-11 17:25:20 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:25:20 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:25:20 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:25:20 INFO MSTransformManager::parseDataSelParams field selection is 0 2024-04-11 17:25:20 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:25:20 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:25:20 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:25:20 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:25:20 INFO MSTransformManager::initDataSelectionParams Selected Fields Ids are [0] 2024-04-11 17:25:20 INFO MSTransformManager::open Select data 2024-04-11 17:25:20 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:25:20 INFO MSTransformDataHandler::makeSelection 3510 out of 7020 rows are going to be considered due to the selection criteria. 2024-04-11 17:25:20 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19h53m50 40.108888889deg successfully parsed 2024-04-11 17:25:20 INFO phaseshift::::casa Shift phase center 2024-04-11 17:25:20 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:25:19.618651 End time: 2024-04-11 17:25:20.125970 2024-04-11 17:25:20 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:25:20 INFO phaseshift::::casa ########################################## 2024-04-11 17:25:20 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2024-04-11 17:25:20 INFO tclean::::casa ########################################## 2024-04-11 17:25:20 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:25:20 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 ) 2024-04-11 17:25:20 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:25:20 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:25:20 INFO SynthesisImagerVi2::selectData NRows selected : 3510 2024-04-11 17:25:20 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:25:20 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:25:20 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99981e+08] at [0] with increment [9.99998e+07] 2024-04-11 17:25:20 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:25:20 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:25:20 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:25:20 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:25:20 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:25:20 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 2024-04-11 17:25:20 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.01126 2024-04-11 17:25:20 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg 2024-04-11 17:25:20 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:25:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:25:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:25:21 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:25:21 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:25:21 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:25:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6347251534461975, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:25:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.634725, CycleNiter=20, Gain=0.3 2024-04-11 17:25:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:25:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:25:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:25:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:25:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07467404007911682, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:25:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.074674, CycleNiter=14, Gain=0.3 2024-04-11 17:25:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold. 2024-04-11 17:25:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:25:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:25:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053 2024-04-11 17:25:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00878525897860527, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:25:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00878526, CycleNiter=8, Gain=0.3 2024-04-11 17:25:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold. 2024-04-11 17:25:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:25:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:25:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814184, over full image : 0.00814184 2024-04-11 17:25:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0010335649130865932, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:25:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00103356, CycleNiter=2, Gain=0.3 2024-04-11 17:25:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814184->0.00279265, Reached cycleniter. 2024-04-11 17:25:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:25:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:25:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279276, over full image : 0.00279276 2024-04-11 17:25:21 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:25:21 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:25:21 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:25:22 INFO SIImageStore::restore Beam for chan : 0 : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg 2024-04-11 17:25:22 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:25:22 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:25:20.189229 End time: 2024-04-11 17:25:21.628847 2024-04-11 17:25:22 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:25:22 INFO tclean::::casa ########################################## 2024-04-11 17:25:22 INFO imstat::::casa ########################################## 2024-04-11 17:25:22 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:25:22 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 ) 2024-04-11 17:25:22 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:25:22 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:25:22 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:25:22 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:25:22 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:25:22 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) 2024-04-11 17:25:22 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:25:22 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:25:22 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:25:22 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:25:22 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 9.99981e+08Hz 2024-04-11 17:25:22 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.069, +40.23.25.888, I, 9.99981e+08Hz 2024-04-11 17:25:22 INFO imstat:::: Values --- 2024-04-11 17:25:22 INFO imstat:::: -- flux density [flux]: 4.99409 Jy 2024-04-11 17:25:22 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:25:22 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:25:22 INFO imstat:::: -- minimum value [min]: -0.00012283 Jy/beam 2024-04-11 17:25:22 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 124, 0, 0] 2024-04-11 17:25:22 INFO imstat:::: -- position of min value (pixel) [minpos]: [100, 55, 0, 0] 2024-04-11 17:25:22 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 9.99981e+08Hz 2024-04-11 17:25:22 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:09.479, +39.56.47.897, I, 9.99981e+08Hz 2024-04-11 17:25:22 INFO imstat:::: -- Sum of pixel values [sum]: 605.961 Jy/beam 2024-04-11 17:25:22 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1516.75 Jy/beam.Jy/beam 2024-04-11 17:25:22 INFO imstat:::: Statistics --- 2024-04-11 17:25:22 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00924623 Jy/beam 2024-04-11 17:25:22 INFO imstat:::: -- Variance of the pixel values : 0.0230586 Jy/beam 2024-04-11 17:25:22 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.15185 Jy/beam 2024-04-11 17:25:22 INFO imstat:::: -- Root mean square [rms]: 0.152131 Jy/beam 2024-04-11 17:25:22 INFO imstat:::: -- Median of the pixel values [median]: -2.09007e-05 Jy/beam 2024-04-11 17:25:22 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 3.00259e-05 Jy/beam 2024-04-11 17:25:22 INFO imstat:::: -- IQR [quartile]: 6.1616e-05 Jy/beam 2024-04-11 17:25:22 INFO imstat:::: -- First quartile [q1]: -4.79744e-05 Jy/beam 2024-04-11 17:25:22 INFO imstat:::: -- Third quartile [q3]: 1.36416e-05 Jy/beam 2024-04-11 17:25:22 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:25:22 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:25:22 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:25:22 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:25:22 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:25:22 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:25:22 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 2024-04-11 17:25:22 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:25:21.642237 End time: 2024-04-11 17:25:21.661264 2024-04-11 17:25:22 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:25:22 INFO imstat::::casa ########################################## 2024-04-11 17:25:22 INFO phaseshift::::casa ########################################## 2024-04-11 17:25:22 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:25:22 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' ) 2024-04-11 17:25:22 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:25:22 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:25:22 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:25:22 INFO MSTransformManager::parseDataSelParams field selection is fake 2024-04-11 17:25:22 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:25:22 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:25:22 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:25:22 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:25:22 INFO MSTransformManager::initDataSelectionParams Selected Fields Ids are [0] 2024-04-11 17:25:22 INFO MSTransformManager::open Select data 2024-04-11 17:25:22 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:25:22 INFO MSTransformDataHandler::makeSelection 3510 out of 7020 rows are going to be considered due to the selection criteria. 2024-04-11 17:25:22 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19h53m50 40.108888889deg successfully parsed 2024-04-11 17:25:22 INFO phaseshift::::casa Shift phase center 2024-04-11 17:25:22 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:25:21.671424 End time: 2024-04-11 17:25:22.056482 2024-04-11 17:25:22 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:25:22 INFO phaseshift::::casa ########################################## 2024-04-11 17:25:22 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2024-04-11 17:25:22 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data.ms... 2024-04-11 17:25:22 INFO tclean::::casa ########################################## 2024-04-11 17:25:22 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:25:22 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-04-11 17:25:22 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:25:22 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:25:22 INFO SynthesisImagerVi2::selectData NRows selected : 3510 2024-04-11 17:25:22 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:25:22 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:25:22 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99981e+08] at [0] with increment [9.99998e+07] 2024-04-11 17:25:22 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:25:22 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:25:22 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:25:22 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:25:22 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:25:22 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 2024-04-11 17:25:22 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.013434 2024-04-11 17:25:22 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg 2024-04-11 17:25:22 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:25:22 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:25:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:25:23 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:25:23 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:25:23 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:25:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6347251534461975, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:25:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.634725, CycleNiter=20, Gain=0.3 2024-04-11 17:25:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:25:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:25:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:25:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:25:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07467404007911682, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:25:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.074674, CycleNiter=14, Gain=0.3 2024-04-11 17:25:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold. 2024-04-11 17:25:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:25:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:25:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053 2024-04-11 17:25:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00878525897860527, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:25:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00878526, CycleNiter=8, Gain=0.3 2024-04-11 17:25:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold. 2024-04-11 17:25:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:25:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:25:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814184, over full image : 0.00814184 2024-04-11 17:25:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0010335649130865932, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:25:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00103356, CycleNiter=2, Gain=0.3 2024-04-11 17:25:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814184->0.00279265, Reached cycleniter. 2024-04-11 17:25:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:25:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:25:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279276, over full image : 0.00279276 2024-04-11 17:25:23 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:25:23 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:25:23 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:25:23 INFO SIImageStore::restore Beam for chan : 0 : 88.8546 arcsec, 77.1301 arcsec, -77.9234 deg 2024-04-11 17:25:24 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:25:24 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:25:22.099982 End time: 2024-04-11 17:25:23.594385 2024-04-11 17:25:24 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:25:24 INFO tclean::::casa ########################################## 2024-04-11 17:25:24 INFO imstat::::casa ########################################## 2024-04-11 17:25:24 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:25:24 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 ) 2024-04-11 17:25:24 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:25:24 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:25:24 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:25:24 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:25:24 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:25:24 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) 2024-04-11 17:25:24 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:25:24 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:25:24 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:25:24 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:25:24 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 9.99981e+08Hz 2024-04-11 17:25:24 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.069, +40.23.25.888, I, 9.99981e+08Hz 2024-04-11 17:25:24 INFO imstat:::: Values --- 2024-04-11 17:25:24 INFO imstat:::: -- flux density [flux]: 4.99409 Jy 2024-04-11 17:25:24 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:25:24 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:25:24 INFO imstat:::: -- minimum value [min]: -0.00012283 Jy/beam 2024-04-11 17:25:24 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 124, 0, 0] 2024-04-11 17:25:24 INFO imstat:::: -- position of min value (pixel) [minpos]: [100, 55, 0, 0] 2024-04-11 17:25:24 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 9.99981e+08Hz 2024-04-11 17:25:24 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:09.479, +39.56.47.897, I, 9.99981e+08Hz 2024-04-11 17:25:24 INFO imstat:::: -- Sum of pixel values [sum]: 605.961 Jy/beam 2024-04-11 17:25:24 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1516.75 Jy/beam.Jy/beam 2024-04-11 17:25:24 INFO imstat:::: Statistics --- 2024-04-11 17:25:24 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00924623 Jy/beam 2024-04-11 17:25:24 INFO imstat:::: -- Variance of the pixel values : 0.0230586 Jy/beam 2024-04-11 17:25:24 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.15185 Jy/beam 2024-04-11 17:25:24 INFO imstat:::: -- Root mean square [rms]: 0.152131 Jy/beam 2024-04-11 17:25:24 INFO imstat:::: -- Median of the pixel values [median]: -2.09007e-05 Jy/beam 2024-04-11 17:25:24 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 3.00259e-05 Jy/beam 2024-04-11 17:25:24 INFO imstat:::: -- IQR [quartile]: 6.1616e-05 Jy/beam 2024-04-11 17:25:24 INFO imstat:::: -- First quartile [q1]: -4.79744e-05 Jy/beam 2024-04-11 17:25:24 INFO imstat:::: -- Third quartile [q3]: 1.36416e-05 Jy/beam 2024-04-11 17:25:24 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:25:24 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:25:24 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:25:24 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:25:24 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:25:24 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:25:24 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 2024-04-11 17:25:24 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:25:23.596819 End time: 2024-04-11 17:25:23.614871 2024-04-11 17:25:24 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:25:24 INFO imstat::::casa ########################################## 2024-04-11 17:25:24 INFO phaseshift::::casa ########################################## 2024-04-11 17:25:24 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:25:24 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40.108888889deg' ) 2024-04-11 17:25:24 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:25:24 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:25:24 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:25:24 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:25:24 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:25:24 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:25:24 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:25:24 INFO MSTransformManager::open Select data 2024-04-11 17:25:24 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:25:24 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19h53m50 40.108888889deg successfully parsed 2024-04-11 17:25:24 INFO phaseshift::::casa Shift phase center 2024-04-11 17:25:24 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:25:23.625984 End time: 2024-04-11 17:25:24.210063 2024-04-11 17:25:24 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:25:24 INFO phaseshift::::casa ########################################## 2024-04-11 17:25:24 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2024-04-11 17:25:24 INFO tclean::::casa ########################################## 2024-04-11 17:25:24 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:25:24 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 ) 2024-04-11 17:25:24 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:25:24 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:25:24 INFO SynthesisImagerVi2::selectData NRows selected : 7020 2024-04-11 17:25:24 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:25:24 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:25:24 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:25:24 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:25:24 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:25:24 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:25:24 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:25:24 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:25:25 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00843949 2024-04-11 17:25:25 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.016562 2024-04-11 17:25:25 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.9193 arcsec, 77.6082 arcsec, 88.5528 deg 2024-04-11 17:25:25 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:25:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:25:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:25:25 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:25:25 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:25:25 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:25:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6069034934043884, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:25:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.606903, CycleNiter=20, Gain=0.3 2024-04-11 17:25:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:25:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:25:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:25:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:25:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07140088081359863, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:25:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0714009, CycleNiter=14, Gain=0.3 2024-04-11 17:25:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692058, Reached cyclethreshold. 2024-04-11 17:25:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:25:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:25:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692053, over full image : 0.0692053 2024-04-11 17:25:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.00840018317103386, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:25:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00840018, CycleNiter=8, Gain=0.3 2024-04-11 17:25:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692053->0.00814193, Reached cyclethreshold. 2024-04-11 17:25:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:25:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:25:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814189, over full image : 0.00814189 2024-04-11 17:25:26 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009882674785330892, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:25:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000988267, CycleNiter=2, Gain=0.3 2024-04-11 17:25:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814189->0.00279267, Reached cycleniter. 2024-04-11 17:25:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:25:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:25:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0027928, over full image : 0.0027928 2024-04-11 17:25:26 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:25:26 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:25:26 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:25:26 INFO SIImageStore::restore Beam for chan : 0 : 88.9193 arcsec, 77.6082 arcsec, 88.5528 deg 2024-04-11 17:25:26 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:25:26 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:25:24.254598 End time: 2024-04-11 17:25:25.841243 2024-04-11 17:25:26 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:25:26 INFO tclean::::casa ########################################## 2024-04-11 17:25:26 INFO imstat::::casa ########################################## 2024-04-11 17:25:26 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:25:26 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 ) 2024-04-11 17:25:26 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:25:26 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:25:26 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:25:26 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:25:26 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:25:26 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) 2024-04-11 17:25:26 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:25:26 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:25:26 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:25:26 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:25:26 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.888, +39.49.25.864, I, 999981604.64Hz 2024-04-11 17:25:26 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.069, +40.23.25.888, I, 999981604.64Hz 2024-04-11 17:25:26 INFO imstat:::: Values --- 2024-04-11 17:25:26 INFO imstat:::: -- flux density [flux]: 4.99444 Jy 2024-04-11 17:25:26 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:25:26 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:25:26 INFO imstat:::: -- minimum value [min]: -9.70533e-05 Jy/beam 2024-04-11 17:25:26 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 124, 0, 0] 2024-04-11 17:25:26 INFO imstat:::: -- position of min value (pixel) [minpos]: [158, 70, 0, 0] 2024-04-11 17:25:26 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981604.64Hz 2024-04-11 17:25:26 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:29.120, +39.58.47.882, I, 999981604.64Hz 2024-04-11 17:25:26 INFO imstat:::: -- Sum of pixel values [sum]: 610.203 Jy/beam 2024-04-11 17:25:26 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1527.26 Jy/beam.Jy/beam 2024-04-11 17:25:26 INFO imstat:::: Statistics --- 2024-04-11 17:25:26 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00931096 Jy/beam 2024-04-11 17:25:26 INFO imstat:::: -- Variance of the pixel values : 0.0232178 Jy/beam 2024-04-11 17:25:26 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152374 Jy/beam 2024-04-11 17:25:26 INFO imstat:::: -- Root mean square [rms]: 0.152657 Jy/beam 2024-04-11 17:25:26 INFO imstat:::: -- Median of the pixel values [median]: -1.85752e-05 Jy/beam 2024-04-11 17:25:26 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.83975e-05 Jy/beam 2024-04-11 17:25:26 INFO imstat:::: -- IQR [quartile]: 3.74524e-05 Jy/beam 2024-04-11 17:25:26 INFO imstat:::: -- First quartile [q1]: -3.53147e-05 Jy/beam 2024-04-11 17:25:26 INFO imstat:::: -- Third quartile [q3]: 2.13765e-06 Jy/beam 2024-04-11 17:25:26 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:25:26 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:25:26 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:25:26 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:25:26 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:25:26 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:25:26 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 2024-04-11 17:25:26 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:25:25.843741 End time: 2024-04-11 17:25:25.861225 2024-04-11 17:25:26 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:25:26 INFO imstat::::casa ########################################## 2024-04-11 17:25:26 INFO phaseshift::::casa ########################################## 2024-04-11 17:25:26 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:25:26 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' ) 2024-04-11 17:25:26 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:25:26 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:25:26 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:25:26 INFO MSTransformManager::parseDataSelParams field selection is 1 2024-04-11 17:25:26 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:25:26 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:25:26 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:25:26 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:25:26 INFO MSTransformManager::initDataSelectionParams Selected Fields Ids are [1] 2024-04-11 17:25:26 INFO MSTransformManager::open Select data 2024-04-11 17:25:26 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:25:26 INFO MSTransformDataHandler::makeSelection 3510 out of 7020 rows are going to be considered due to the selection criteria. 2024-04-11 17:25:26 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19h53m50 50.108888889deg successfully parsed 2024-04-11 17:25:26 INFO phaseshift::::casa Shift phase center 2024-04-11 17:25:26 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:25:25.871886 End time: 2024-04-11 17:25:26.260749 2024-04-11 17:25:26 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:25:26 INFO phaseshift::::casa ########################################## 2024-04-11 17:25:26 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2024-04-11 17:25:26 INFO tclean::::casa ########################################## 2024-04-11 17:25:26 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:25:26 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-04-11 17:25:26 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:25:26 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:25:26 INFO SynthesisImagerVi2::selectData NRows selected : 3510 2024-04-11 17:25:26 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:25:26 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:25:26 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99968e+08] at [0] with increment [9.99982e+07] 2024-04-11 17:25:26 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:25:26 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:25:26 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:25:26 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:25:26 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:25:27 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 2024-04-11 17:25:27 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.00946 2024-04-11 17:25:27 INFO task_tclean::SIImageStore::printBeamSet Beam : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg 2024-04-11 17:25:27 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:25:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:25:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.290316, over full image : 0.290316 2024-04-11 17:25:27 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:25:27 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:25:27 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.290316, over full image : 0.290316 2024-04-11 17:25:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.03697436675429344, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:25:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0369744, CycleNiter=20, Gain=0.3 2024-04-11 17:25:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->20 [20], model=0->1.38616, peakres=0.290316->0.18329, Reached cycleniter. 2024-04-11 17:25:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:25:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:25:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.180075, over full image : 0.180075 2024-04-11 17:25:27 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:25:27 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:25:27 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:25:27 INFO SIImageStore::restore Beam for chan : 0 : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg 2024-04-11 17:25:27 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:25:27 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:25:26.302286 End time: 2024-04-11 17:25:27.237700 2024-04-11 17:25:27 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:25:27 INFO tclean::::casa ########################################## 2024-04-11 17:25:27 INFO imstat::::casa ########################################## 2024-04-11 17:25:27 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:25:27 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 ) 2024-04-11 17:25:27 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:25:27 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:25:27 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:25:27 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:25:27 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:25:27 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) 2024-04-11 17:25:27 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:25:27 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:25:27 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:25:27 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:25:27 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:35.817, +49.49.24.973, I, 9.99968e+08Hz 2024-04-11 17:25:27 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:03.760, +50.23.24.993, I, 9.99968e+08Hz 2024-04-11 17:25:27 INFO imstat:::: Values --- 2024-04-11 17:25:27 INFO imstat:::: -- flux density [flux]: -0.242513 Jy 2024-04-11 17:25:27 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:25:27 INFO imstat:::: -- maximum value [max]: 0.285872 Jy/beam 2024-04-11 17:25:27 INFO imstat:::: -- minimum value [min]: -0.1468 Jy/beam 2024-04-11 17:25:27 INFO imstat:::: -- position of max value (pixel) [maxpos]: [54, 120, 0, 0] 2024-04-11 17:25:27 INFO imstat:::: -- position of min value (pixel) [minpos]: [148, 28, 0, 0] 2024-04-11 17:25:27 INFO imstat:::: -- position of max value (world) [maxposf]: 19:54:51.516, +50.05.26.984, I, 9.99968e+08Hz 2024-04-11 17:25:27 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:33.445, +49.53.11.924, I, 9.99968e+08Hz 2024-04-11 17:25:27 INFO imstat:::: -- Sum of pixel values [sum]: -29.9309 Jy/beam 2024-04-11 17:25:27 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 233.452 Jy/beam.Jy/beam 2024-04-11 17:25:27 INFO imstat:::: Statistics --- 2024-04-11 17:25:27 INFO imstat:::: -- Mean of the pixel values [mean]: -0.00045671 Jy/beam 2024-04-11 17:25:27 INFO imstat:::: -- Variance of the pixel values : 0.00356204 Jy/beam 2024-04-11 17:25:27 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.0596828 Jy/beam 2024-04-11 17:25:27 INFO imstat:::: -- Root mean square [rms]: 0.0596841 Jy/beam 2024-04-11 17:25:27 INFO imstat:::: -- Median of the pixel values [median]: -0.00646386 Jy/beam 2024-04-11 17:25:27 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 0.0391011 Jy/beam 2024-04-11 17:25:27 INFO imstat:::: -- IQR [quartile]: 0.0789052 Jy/beam 2024-04-11 17:25:27 INFO imstat:::: -- First quartile [q1]: -0.0432754 Jy/beam 2024-04-11 17:25:27 INFO imstat:::: -- Third quartile [q3]: 0.0356299 Jy/beam 2024-04-11 17:25:27 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:25:27 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:25:27 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:25:27 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:25:27 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:25:27 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:25:27 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 2024-04-11 17:25:27 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:25:27.241636 End time: 2024-04-11 17:25:27.269104 2024-04-11 17:25:27 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:25:27 INFO imstat::::casa ########################################## 2024-04-11 17:25:27 INFO phaseshift::::casa ########################################## 2024-04-11 17:25:27 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:25:27 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' ) 2024-04-11 17:25:27 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:25:27 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:25:27 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:25:27 INFO MSTransformManager::parseDataSelParams field selection is pretend 2024-04-11 17:25:27 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:25:27 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:25:27 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:25:27 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:25:27 INFO MSTransformManager::initDataSelectionParams Selected Fields Ids are [1] 2024-04-11 17:25:27 INFO MSTransformManager::open Select data 2024-04-11 17:25:27 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:25:27 INFO MSTransformDataHandler::makeSelection 3510 out of 7020 rows are going to be considered due to the selection criteria. 2024-04-11 17:25:28 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19h53m50 50.108888889deg successfully parsed 2024-04-11 17:25:28 INFO phaseshift::::casa Shift phase center 2024-04-11 17:25:28 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:25:27.284181 End time: 2024-04-11 17:25:27.750017 2024-04-11 17:25:28 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:25:28 INFO phaseshift::::casa ########################################## 2024-04-11 17:25:28 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data_pshift.ms... 2024-04-11 17:25:28 INFO msmetadata_cmpt.cc::open Performing internal consistency checks on sim_data.ms... 2024-04-11 17:25:28 INFO tclean::::casa ########################################## 2024-04-11 17:25:28 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:25:28 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 ) 2024-04-11 17:25:28 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:25:28 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:25:28 INFO SynthesisImagerVi2::selectData NRows selected : 3510 2024-04-11 17:25:28 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:25:28 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:25:28 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99968e+08] at [0] with increment [9.99982e+07] 2024-04-11 17:25:28 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:25:28 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:25:28 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:25:28 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:25:28 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:25:28 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.0119352 2024-04-11 17:25:28 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.019841 2024-04-11 17:25:28 INFO task_tclean::SIImageStore::printBeamSet Beam : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg 2024-04-11 17:25:28 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:25:28 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:25:28 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.290316, over full image : 0.290316 2024-04-11 17:25:28 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:25:28 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:25:28 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.290316, over full image : 0.290316 2024-04-11 17:25:28 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.03697436675429344, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:25:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0369744, CycleNiter=20, Gain=0.3 2024-04-11 17:25:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->20 [20], model=0->1.38616, peakres=0.290316->0.18329, Reached cycleniter. 2024-04-11 17:25:28 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:25:28 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:25:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.180075, over full image : 0.180075 2024-04-11 17:25:29 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:25:29 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:25:29 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:25:29 INFO SIImageStore::restore Beam for chan : 0 : 89.6341 arcsec, 77.7728 arcsec, 83.0376 deg 2024-04-11 17:25:29 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:25:29 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:25:27.793331 End time: 2024-04-11 17:25:28.871297 2024-04-11 17:25:29 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:25:29 INFO tclean::::casa ########################################## 2024-04-11 17:25:29 INFO imstat::::casa ########################################## 2024-04-11 17:25:29 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:25:29 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 ) 2024-04-11 17:25:29 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:25:29 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:25:29 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:25:29 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:25:29 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:25:29 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) 2024-04-11 17:25:29 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:25:29 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:25:29 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:25:29 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:25:29 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:35.817, +49.49.24.973, I, 9.99968e+08Hz 2024-04-11 17:25:29 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:03.760, +50.23.24.993, I, 9.99968e+08Hz 2024-04-11 17:25:29 INFO imstat:::: Values --- 2024-04-11 17:25:29 INFO imstat:::: -- flux density [flux]: -0.242513 Jy 2024-04-11 17:25:29 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:25:29 INFO imstat:::: -- maximum value [max]: 0.285872 Jy/beam 2024-04-11 17:25:29 INFO imstat:::: -- minimum value [min]: -0.1468 Jy/beam 2024-04-11 17:25:29 INFO imstat:::: -- position of max value (pixel) [maxpos]: [54, 120, 0, 0] 2024-04-11 17:25:29 INFO imstat:::: -- position of min value (pixel) [minpos]: [148, 28, 0, 0] 2024-04-11 17:25:29 INFO imstat:::: -- position of max value (world) [maxposf]: 19:54:51.516, +50.05.26.984, I, 9.99968e+08Hz 2024-04-11 17:25:29 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:33.445, +49.53.11.924, I, 9.99968e+08Hz 2024-04-11 17:25:29 INFO imstat:::: -- Sum of pixel values [sum]: -29.9309 Jy/beam 2024-04-11 17:25:29 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 233.452 Jy/beam.Jy/beam 2024-04-11 17:25:29 INFO imstat:::: Statistics --- 2024-04-11 17:25:29 INFO imstat:::: -- Mean of the pixel values [mean]: -0.00045671 Jy/beam 2024-04-11 17:25:29 INFO imstat:::: -- Variance of the pixel values : 0.00356204 Jy/beam 2024-04-11 17:25:29 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.0596828 Jy/beam 2024-04-11 17:25:29 INFO imstat:::: -- Root mean square [rms]: 0.0596841 Jy/beam 2024-04-11 17:25:29 INFO imstat:::: -- Median of the pixel values [median]: -0.00646386 Jy/beam 2024-04-11 17:25:29 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 0.0391011 Jy/beam 2024-04-11 17:25:29 INFO imstat:::: -- IQR [quartile]: 0.0789052 Jy/beam 2024-04-11 17:25:29 INFO imstat:::: -- First quartile [q1]: -0.0432754 Jy/beam 2024-04-11 17:25:29 INFO imstat:::: -- Third quartile [q3]: 0.0356299 Jy/beam 2024-04-11 17:25:29 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:25:29 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:25:29 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:25:29 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:25:29 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:25:29 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:25:29 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 2024-04-11 17:25:29 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:25:28.876028 End time: 2024-04-11 17:25:28.908450 2024-04-11 17:25:29 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:25:29 INFO imstat::::casa ########################################## 2024-04-11 17:25:29 INFO tclean::::casa ########################################## 2024-04-11 17:25:29 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:25:29 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 ) 2024-04-11 17:25:29 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:25:29 INFO SynthesisImagerVi2::selectData MS : sim_data.ms | [Opened in readonly mode] 2024-04-11 17:25:29 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:25:29 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_orig] : 2024-04-11 17:25:29 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:25:29 INFO SynthesisImagerVi2::defineImage Shape : [2048, 2048, 1, 1]Spectral : [9.99981e+08] at [0] with increment [1e+08] 2024-04-11 17:25:29 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_orig] with ftmachine : wprojectft 2024-04-11 17:25:29 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.3492 GB. Available mem.: 10.99 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:25:29 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:25:29 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_orig] : hogbom 2024-04-11 17:25:29 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:25:29 INFO task_tclean::WPConvFunc::findConvFunction W projection using 128 planes 2024-04-11 17:25:29 INFO task_tclean::WPConvFunc::findConvFunction Using maximum possible W = 6445.78 (wavelengths) 2024-04-11 17:25:29 INFO task_tclean::WPConvFunc::findConvFunction Typical wavelength = 0.299799 (m) 2024-04-11 17:25:29 INFO task_tclean::WPConvFunc::findConvFunction Scaling in W (at maximum W) = 0.399639 wavelengths per pixel 2024-04-11 17:25:55 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 2024-04-11 17:25:55 INFO task_tclean::WPConvFunc::findConvFunction Memory used in gridding function = 14 MB from maximum 15884 MB 2024-04-11 17:25:57 INFO task_tclean::SIImageStore::calcSensitivity [im_orig] Theoretical sensitivity (Jy/bm):0.00889437 2024-04-11 17:25:57 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.068299 2024-04-11 17:25:57 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.6975 arcsec, 77.5413 arcsec, -89.6046 deg 2024-04-11 17:25:57 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:25:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:25:59 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 4.94899, over full image : 4.94899 2024-04-11 17:25:59 INFO SynthesisDeconvolver::setupMask [im_orig] Initializing new mask to 1.0 for the full image 2024-04-11 17:25:59 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 % ] 2024-04-11 17:25:59 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 4.94899, over full image : 4.94899 2024-04-11 17:25:59 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.5971387624740601, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:25:59 INFO SDAlgorithmBase::deconvolve [im_orig] Run Hogbom minor-cycle | CycleThreshold=0.597139, CycleNiter=20, Gain=0.3 2024-04-11 17:25:59 INFO SDAlgorithmBase::deconvolve [im_orig] iters=0->7 [7], model=0->4.6028, peakres=4.94899->0.435227, Reached cyclethreshold. 2024-04-11 17:25:59 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 7 iterations. 2024-04-11 17:25:59 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:26:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.45574, over full image : 0.45574 2024-04-11 17:26:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 13, 'cyclethreshold': 0.05498892068862915, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:02 INFO SDAlgorithmBase::deconvolve [im_orig] Run Hogbom minor-cycle | CycleThreshold=0.0549889, CycleNiter=13, Gain=0.3 2024-04-11 17:26:03 INFO SDAlgorithmBase::deconvolve [im_orig] iters=0->7 [7], model=4.6028->5.02619, peakres=0.45574->0.0435268, Reached cyclethreshold. 2024-04-11 17:26:03 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 14 iterations. 2024-04-11 17:26:03 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:26:05 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0416506, over full image : 0.0416506 2024-04-11 17:26:05 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 6, 'cyclethreshold': 0.005025505553930998, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:05 INFO SDAlgorithmBase::deconvolve [im_orig] Run Hogbom minor-cycle | CycleThreshold=0.00502551, CycleNiter=6, Gain=0.3 2024-04-11 17:26:06 INFO SDAlgorithmBase::deconvolve [im_orig] iters=0->6 [6], model=5.02619->5.04001, peakres=0.0416506->0.0226678, Reached cycleniter. 2024-04-11 17:26:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:26:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:26:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.022671, over full image : 0.022671 2024-04-11 17:26:08 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:26:08 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:26:08 INFO SDAlgorithmBase::restore [im_orig] : Restoring model image. 2024-04-11 17:26:08 INFO SIImageStore::restore Beam for chan : 0 : 88.6975 arcsec, 77.5413 arcsec, -89.6046 deg 2024-04-11 17:26:09 INFO tclean::::casa Searching for images with prefix 'im_orig'... Found these, writing history into them: ['im_orig.sumwt', 'im_orig.psf', 'im_orig.image', 'im_orig.mask', 'im_orig.pb', 'im_orig.residual', 'im_orig.model'] 2024-04-11 17:26:09 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:25:28.993692 End time: 2024-04-11 17:26:08.886068 2024-04-11 17:26:09 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:26:09 INFO tclean::::casa ########################################## 2024-04-11 17:26:09 INFO imstat::::casa ########################################## 2024-04-11 17:26:09 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:26:09 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 ) 2024-04-11 17:26:09 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:26:09 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:26:09 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:26:09 INFO imstat::image::statistics Determining stats for image im_orig.image 2024-04-11 17:26:09 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:09 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) 2024-04-11 17:26:09 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:26:09 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:26:09 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:26:09 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [2047, 2047, 0, 0] 2024-04-11 17:26:09 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 20:11:05.220, +38.21.11.967, I, 999980841.3Hz 2024-04-11 17:26:09 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:47:03.322, +42.54.02.996, I, 999980841.3Hz 2024-04-11 17:26:09 INFO imstat:::: Values --- 2024-04-11 17:26:09 INFO imstat:::: -- flux density [flux]: 5.2713 Jy 2024-04-11 17:26:09 INFO imstat:::: -- number of points [npts]: 4.1943e+06 2024-04-11 17:26:09 INFO imstat:::: -- maximum value [max]: 4.97713 Jy/beam 2024-04-11 17:26:09 INFO imstat:::: -- minimum value [min]: -0.022671 Jy/beam 2024-04-11 17:26:09 INFO imstat:::: -- position of max value (pixel) [maxpos]: [1509, 773, 0, 0] 2024-04-11 17:26:09 INFO imstat:::: -- position of min value (pixel) [minpos]: [1708, 965, 0, 0] 2024-04-11 17:26:09 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.302, +40.06.02.372, I, 999980841.3Hz 2024-04-11 17:26:09 INFO imstat:::: -- position of min value (world) [minposf]: 19:51:28.525, +40.31.07.260, I, 999980841.3Hz 2024-04-11 17:26:09 INFO imstat:::: -- Sum of pixel values [sum]: 641.87 Jy/beam 2024-04-11 17:26:09 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1619.58 Jy/beam.Jy/beam 2024-04-11 17:26:09 INFO imstat:::: Statistics --- 2024-04-11 17:26:09 INFO imstat:::: -- Mean of the pixel values [mean]: 0.000153034 Jy/beam 2024-04-11 17:26:09 INFO imstat:::: -- Variance of the pixel values : 0.000386116 Jy/beam 2024-04-11 17:26:09 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.0196498 Jy/beam 2024-04-11 17:26:09 INFO imstat:::: -- Root mean square [rms]: 0.0196504 Jy/beam 2024-04-11 17:26:09 INFO imstat:::: -- Median of the pixel values [median]: 4.61875e-06 Jy/beam 2024-04-11 17:26:09 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 0.003161 Jy/beam 2024-04-11 17:26:09 INFO imstat:::: -- IQR [quartile]: 0.00632194 Jy/beam 2024-04-11 17:26:09 INFO imstat:::: -- First quartile [q1]: -0.00315521 Jy/beam 2024-04-11 17:26:09 INFO imstat:::: -- Third quartile [q3]: 0.00316673 Jy/beam 2024-04-11 17:26:09 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:26:09 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:26:09 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:26:09 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:26:09 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:26:09 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:26:09 INFO imstat::ImageStatsCalculator::statistics 4.194304e+06 6.418701e+02 1.530337e-04 1.965042e-02 1.964982e-02 -2.267100e-02 4.977134e+00 2024-04-11 17:26:09 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:26:08.889608 End time: 2024-04-11 17:26:09.198331 2024-04-11 17:26:09 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:26:09 INFO imstat::::casa ########################################## 2024-04-11 17:26:09 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:26:09 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:09 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) 2024-04-11 17:26:09 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:26:09 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:26:09 2024****** 2024-04-11 17:26:09 INFO ImageFitter::fit+ 2024-04-11 17:26:09 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:26:09 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_orig.image 2024-04-11 17:26:09 INFO ImageFitter::fit+ --- region: 2024-04-11 17:26:09 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:26:09 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:26:09 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:26:09 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:26:09 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:26:09 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:26:09 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:09 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) 2024-04-11 17:26:09 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29832 Jy 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.00459192 Jy 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85855 Jy 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00458731 Jy 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ Fit on im_orig.image component 0 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.9885 +/- 0.0032 s (0.0367 arcsec along great circle) 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.0594 +/- 0.0281 arcsec 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ --- ra: 1509.4535 +/- 0.0046 pixels 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ --- dec: 772.7181 +/- 0.0035 pixels 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.4778 +/- 0.0014 arcmin 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.2915 +/- 0.0011 arcmin 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ --- position angle: 89.42 +/- 0.26 deg 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.70 arcsec 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.54 arcsec 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ --- position angle: -89.60 deg 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ Component is a point source 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ An upper limit on its size cannot be determined 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ --- Integrated: 5.0049 +/- 0.0079 Jy 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ --- Peak: 5.0102 +/- 0.0046 Jy/beam 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:26:09 INFO ImageFitter::_fitLoop+ --- frequency: 999.9808 MHz (29.97982 cm) 2024-04-11 17:26:09 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:09 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:26:09 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40d06m00' ) 2024-04-11 17:26:09 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:26:09 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:26:09 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:26:09 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:26:09 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:26:09 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:26:09 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:26:09 INFO MSTransformManager::open Select data 2024-04-11 17:26:09 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:26:10 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19h53m50 40d06m00 successfully parsed 2024-04-11 17:26:10 INFO phaseshift::::casa Shift phase center 2024-04-11 17:26:10 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:26:09.302456 End time: 2024-04-11 17:26:09.736713 2024-04-11 17:26:10 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:26:10 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:10 INFO tclean::::casa ########################################## 2024-04-11 17:26:10 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:26:10 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-04-11 17:26:10 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:26:10 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:26:10 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:26:10 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:26:10 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:26:10 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:26:10 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:26:10 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:26:10 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:26:10 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:26:10 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:26:10 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:26:10 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009895 2024-04-11 17:26:10 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:10 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:26:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:26:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:10 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:26:10 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:26:10 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:26:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:26:10 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:26:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:26:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:26:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:26:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:26:10 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:26:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:26:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:26:11 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:26:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:26:11 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:26:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:26:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:26:11 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:26:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:26:11 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:26:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:26:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:26:11 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:26:11 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:26:11 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:26:11 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:11 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:26:11 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:26:09.766113 End time: 2024-04-11 17:26:11.180865 2024-04-11 17:26:11 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:26:11 INFO tclean::::casa ########################################## 2024-04-11 17:26:11 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:26:11 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:11 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) 2024-04-11 17:26:11 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:26:11 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:26:11 2024****** 2024-04-11 17:26:11 INFO ImageFitter::fit+ 2024-04-11 17:26:11 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:26:11 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:26:11 INFO ImageFitter::fit+ --- region: 2024-04-11 17:26:11 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:26:11 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:26:11 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:26:11 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:26:11 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:26:11 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:26:11 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:11 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) 2024-04-11 17:26:11 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:26:11 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:26:11 INFO imstat::::casa ########################################## 2024-04-11 17:26:11 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:26:11 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 ) 2024-04-11 17:26:11 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:26:11 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:26:11 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:26:11 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:26:11 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:11 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) 2024-04-11 17:26:11 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:26:11 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:26:11 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:26:11 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:26:11 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:26:11 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:26:11 INFO imstat:::: Values --- 2024-04-11 17:26:11 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:26:11 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:26:11 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:26:11 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2024-04-11 17:26:11 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:26:11 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:26:11 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:26:11 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:26:11 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:26:11 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:26:11 INFO imstat:::: Statistics --- 2024-04-11 17:26:11 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:26:11 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:26:11 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:26:11 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:26:11 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2024-04-11 17:26:11 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2024-04-11 17:26:11 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2024-04-11 17:26:11 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2024-04-11 17:26:11 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2024-04-11 17:26:11 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:26:11 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:26:11 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:26:11 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:26:11 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:26:11 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:26:11 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 2024-04-11 17:26:11 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:26:11.231539 End time: 2024-04-11 17:26:11.250334 2024-04-11 17:26:11 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:26:11 INFO imstat::::casa ########################################## 2024-04-11 17:26:11 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:11 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:26:11 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 02:40:24.0000' ) 2024-04-11 17:26:11 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:26:11 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:26:11 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:26:11 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:26:11 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:26:11 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:26:11 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:26:11 INFO MSTransformManager::open Select data 2024-04-11 17:26:11 INFO MSTransformManager::createOutputMSStructure Create output MS structure 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 ".". 2024-04-11 17:26:11 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19h53m50 02:40:24.0000 successfully parsed 2024-04-11 17:26:11 INFO phaseshift::::casa Shift phase center 2024-04-11 17:26:12 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:26:11.262197 End time: 2024-04-11 17:26:11.693031 2024-04-11 17:26:12 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:26:12 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:12 INFO tclean::::casa ########################################## 2024-04-11 17:26:12 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:26:12 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-04-11 17:26:12 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:26:12 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:26:12 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:26:12 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:26:12 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:26:12 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:26:12 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:26:12 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:26:12 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:26:12 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:26:12 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:26:12 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:26:12 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009497 2024-04-11 17:26:12 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:12 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:26:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:26:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:12 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:26:12 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:26:12 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:26:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:26:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:26:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:26:12 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:26:12 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:26:12 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:26:12 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:26:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:26:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:26:13 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:26:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:26:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:26:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:26:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:26:13 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:26:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:26:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:26:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:26:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:26:13 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:26:13 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:26:13 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:26:13 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:13 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:26:13 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:26:11.720194 End time: 2024-04-11 17:26:13.225578 2024-04-11 17:26:13 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:26:13 INFO tclean::::casa ########################################## 2024-04-11 17:26:13 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:26:13 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:13 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) 2024-04-11 17:26:13 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:26:13 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:26:13 2024****** 2024-04-11 17:26:13 INFO ImageFitter::fit+ 2024-04-11 17:26:13 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:26:13 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:26:13 INFO ImageFitter::fit+ --- region: 2024-04-11 17:26:13 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:26:13 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:26:13 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:26:13 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:26:13 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:26:13 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:26:13 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:13 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) 2024-04-11 17:26:13 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:26:13 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:26:13 INFO imstat::::casa ########################################## 2024-04-11 17:26:13 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:26:13 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 ) 2024-04-11 17:26:13 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:26:13 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:26:13 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:26:13 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:26:13 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:13 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) 2024-04-11 17:26:13 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:26:13 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:26:13 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:26:13 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:26:13 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:26:13 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:26:13 INFO imstat:::: Values --- 2024-04-11 17:26:13 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:26:13 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:26:13 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:26:13 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2024-04-11 17:26:13 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:26:13 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:26:13 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:26:13 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:26:13 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:26:13 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:26:13 INFO imstat:::: Statistics --- 2024-04-11 17:26:13 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:26:13 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:26:13 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:26:13 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:26:13 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2024-04-11 17:26:13 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2024-04-11 17:26:13 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2024-04-11 17:26:13 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2024-04-11 17:26:13 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2024-04-11 17:26:13 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:26:13 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:26:13 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:26:13 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:26:13 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:26:13 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:26:13 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 2024-04-11 17:26:13 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:26:13.263344 End time: 2024-04-11 17:26:13.285931 2024-04-11 17:26:13 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:26:13 INFO imstat::::casa ########################################## 2024-04-11 17:26:13 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:13 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:26:13 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 40.100000000deg' ) 2024-04-11 17:26:13 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:26:13 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:26:13 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:26:13 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:26:13 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:26:13 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:26:13 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:26:13 INFO MSTransformManager::open Select data 2024-04-11 17:26:13 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:26:14 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19h53m50 40.100000000deg successfully parsed 2024-04-11 17:26:14 INFO phaseshift::::casa Shift phase center 2024-04-11 17:26:14 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:26:13.297670 End time: 2024-04-11 17:26:13.740571 2024-04-11 17:26:14 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:26:14 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:14 INFO tclean::::casa ########################################## 2024-04-11 17:26:14 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:26:14 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 ) 2024-04-11 17:26:14 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:26:14 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:26:14 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:26:14 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:26:14 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:26:14 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:26:14 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:26:14 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:26:14 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:26:14 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:26:14 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:26:14 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:26:14 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009306 2024-04-11 17:26:14 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:14 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:26:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:26:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:14 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:26:14 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:26:14 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:14 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:26:14 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:26:14 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:26:14 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:26:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:26:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:26:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:26:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:26:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:26:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:26:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:26:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:26:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:26:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:26:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:26:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:26:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:26:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:26:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:26:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:26:15 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:26:15 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:26:15 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:26:15 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:15 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:26:15 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:26:13.788477 End time: 2024-04-11 17:26:15.311586 2024-04-11 17:26:15 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:26:15 INFO tclean::::casa ########################################## 2024-04-11 17:26:15 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:26:15 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:15 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) 2024-04-11 17:26:15 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:26:15 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:26:15 2024****** 2024-04-11 17:26:15 INFO ImageFitter::fit+ 2024-04-11 17:26:15 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:26:15 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:26:15 INFO ImageFitter::fit+ --- region: 2024-04-11 17:26:15 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:26:15 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:26:15 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:26:15 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:26:15 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:26:15 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:26:15 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:15 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) 2024-04-11 17:26:15 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:26:15 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:26:15 INFO imstat::::casa ########################################## 2024-04-11 17:26:15 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:26:15 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 ) 2024-04-11 17:26:15 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:26:15 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:26:15 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:26:15 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:26:15 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:15 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) 2024-04-11 17:26:15 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:26:15 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:26:15 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:26:15 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:26:15 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:26:15 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:26:15 INFO imstat:::: Values --- 2024-04-11 17:26:15 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:26:15 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:26:15 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:26:15 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2024-04-11 17:26:15 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:26:15 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:26:15 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:26:15 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:26:15 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:26:15 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:26:15 INFO imstat:::: Statistics --- 2024-04-11 17:26:15 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:26:15 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:26:15 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:26:15 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:26:15 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2024-04-11 17:26:15 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2024-04-11 17:26:15 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2024-04-11 17:26:15 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2024-04-11 17:26:15 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2024-04-11 17:26:15 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:26:15 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:26:15 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:26:15 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:26:15 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:26:15 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:26:15 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777660e-05 4.999996e+00 2024-04-11 17:26:15 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:26:15.347699 End time: 2024-04-11 17:26:15.364809 2024-04-11 17:26:15 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:26:15 INFO imstat::::casa ########################################## 2024-04-11 17:26:15 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:15 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:26:15 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19h53m50 0.699877030rad' ) 2024-04-11 17:26:15 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:26:15 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:26:15 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:26:15 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:26:15 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:26:15 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:26:15 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:26:15 INFO MSTransformManager::open Select data 2024-04-11 17:26:15 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:26:16 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19h53m50 0.699877030rad successfully parsed 2024-04-11 17:26:16 INFO phaseshift::::casa Shift phase center 2024-04-11 17:26:16 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:26:15.376854 End time: 2024-04-11 17:26:15.807864 2024-04-11 17:26:16 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:26:16 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:16 INFO tclean::::casa ########################################## 2024-04-11 17:26:16 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:26:16 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 ) 2024-04-11 17:26:16 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:26:16 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:26:16 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:26:16 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:26:16 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:26:16 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:26:16 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:26:16 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:26:16 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:26:16 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:26:16 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:26:16 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:26:16 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.00944 2024-04-11 17:26:16 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:16 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:26:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:26:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:16 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:26:16 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:26:16 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:16 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:26:16 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:26:16 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:26:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:26:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:26:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:26:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:26:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:26:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:26:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:26:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:26:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:26:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:26:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:26:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:26:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:26:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:26:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:26:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:26:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:26:17 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:26:17 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:26:17 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:26:17 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:17 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:26:17 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:26:15.834714 End time: 2024-04-11 17:26:17.328809 2024-04-11 17:26:17 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:26:17 INFO tclean::::casa ########################################## 2024-04-11 17:26:17 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:26:17 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:17 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) 2024-04-11 17:26:17 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:26:17 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:26:17 2024****** 2024-04-11 17:26:17 INFO ImageFitter::fit+ 2024-04-11 17:26:17 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:26:17 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:26:17 INFO ImageFitter::fit+ --- region: 2024-04-11 17:26:17 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:26:17 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:26:17 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:26:17 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:26:17 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:26:17 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:26:17 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:17 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) 2024-04-11 17:26:17 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126486 Jy 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:26:17 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:26:17 INFO imstat::::casa ########################################## 2024-04-11 17:26:17 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:26:17 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 ) 2024-04-11 17:26:17 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:26:17 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:26:17 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:26:17 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:26:17 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:17 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-04-11 17:26:17 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:26:17 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:26:17 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:26:17 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:26:17 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:26:17 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:26:17 INFO imstat:::: Values --- 2024-04-11 17:26:17 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:26:17 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:26:17 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:26:17 INFO imstat:::: -- minimum value [min]: -7.77764e-05 Jy/beam 2024-04-11 17:26:17 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:26:17 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-04-11 17:26:17 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:26:17 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2024-04-11 17:26:17 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:26:17 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:26:17 INFO imstat:::: Statistics --- 2024-04-11 17:26:17 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:26:17 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:26:17 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:26:17 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:26:17 INFO imstat:::: -- Median of the pixel values [median]: -1.86664e-05 Jy/beam 2024-04-11 17:26:17 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2024-04-11 17:26:17 INFO imstat:::: -- IQR [quartile]: 3.56255e-05 Jy/beam 2024-04-11 17:26:17 INFO imstat:::: -- First quartile [q1]: -3.45078e-05 Jy/beam 2024-04-11 17:26:17 INFO imstat:::: -- Third quartile [q3]: 1.11764e-06 Jy/beam 2024-04-11 17:26:17 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:26:17 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:26:17 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:26:17 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:26:17 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:26:17 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:26:17 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 2024-04-11 17:26:17 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:26:17.377579 End time: 2024-04-11 17:26:17.394846 2024-04-11 17:26:17 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:26:17 INFO imstat::::casa ########################################## 2024-04-11 17:26:17 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:17 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:26:17 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 40d06m00' ) 2024-04-11 17:26:17 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:26:17 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:26:17 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:26:17 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:26:17 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:26:17 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:26:17 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:26:17 INFO MSTransformManager::open Select data 2024-04-11 17:26:17 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:26:18 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19:53:50.0000 40d06m00 successfully parsed 2024-04-11 17:26:18 INFO phaseshift::::casa Shift phase center 2024-04-11 17:26:18 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:26:17.406612 End time: 2024-04-11 17:26:17.864927 2024-04-11 17:26:18 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:26:18 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:18 INFO tclean::::casa ########################################## 2024-04-11 17:26:18 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:26:18 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 ) 2024-04-11 17:26:18 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:26:18 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:26:18 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:26:18 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:26:18 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:26:18 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:26:18 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:26:18 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:26:18 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:26:18 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:26:18 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:26:18 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:26:18 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.012891 2024-04-11 17:26:18 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:18 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:26:18 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:26:18 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:18 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:26:18 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:26:18 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:18 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:18 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:26:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:26:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:26:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:26:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:26:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:26:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:26:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:26:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:26:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:26:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:26:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:26:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:26:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:26:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:26:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:26:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:26:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:26:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:26:20 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:26:20 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:26:20 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:26:20 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:26:20 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:20 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:26:20 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:26:17.910687 End time: 2024-04-11 17:26:19.720662 2024-04-11 17:26:20 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:26:20 INFO tclean::::casa ########################################## 2024-04-11 17:26:20 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:26:20 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:20 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) 2024-04-11 17:26:20 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:26:20 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:26:20 2024****** 2024-04-11 17:26:20 INFO ImageFitter::fit+ 2024-04-11 17:26:20 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:26:20 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:26:20 INFO ImageFitter::fit+ --- region: 2024-04-11 17:26:20 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:26:20 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:26:20 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:26:20 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:26:20 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:26:20 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:26:20 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:20 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) 2024-04-11 17:26:20 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:26:20 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:26:20 INFO imstat::::casa ########################################## 2024-04-11 17:26:20 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:26:20 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 ) 2024-04-11 17:26:20 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:26:20 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:26:20 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:26:20 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:26:20 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:20 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) 2024-04-11 17:26:20 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:26:20 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:26:20 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:26:20 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:26:20 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:26:20 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:26:20 INFO imstat:::: Values --- 2024-04-11 17:26:20 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:26:20 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:26:20 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:26:20 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2024-04-11 17:26:20 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:26:20 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:26:20 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:26:20 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:26:20 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:26:20 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:26:20 INFO imstat:::: Statistics --- 2024-04-11 17:26:20 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:26:20 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:26:20 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:26:20 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:26:20 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2024-04-11 17:26:20 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2024-04-11 17:26:20 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2024-04-11 17:26:20 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2024-04-11 17:26:20 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2024-04-11 17:26:20 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:26:20 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:26:20 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:26:20 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:26:20 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:26:20 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:26:20 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777660e-05 4.999996e+00 2024-04-11 17:26:20 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:26:19.755981 End time: 2024-04-11 17:26:19.772912 2024-04-11 17:26:20 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:26:20 INFO imstat::::casa ########################################## 2024-04-11 17:26:20 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:20 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:26:20 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 02:40:24.0000' ) 2024-04-11 17:26:20 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:26:20 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:26:20 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:26:20 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:26:20 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:26:20 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:26:20 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:26:20 INFO MSTransformManager::open Select data 2024-04-11 17:26:20 INFO MSTransformManager::createOutputMSStructure Create output MS structure 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 ".". 2024-04-11 17:26:20 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19:53:50.0000 02:40:24.0000 successfully parsed 2024-04-11 17:26:20 INFO phaseshift::::casa Shift phase center 2024-04-11 17:26:20 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:26:19.784812 End time: 2024-04-11 17:26:20.237604 2024-04-11 17:26:20 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:26:20 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:20 INFO tclean::::casa ########################################## 2024-04-11 17:26:20 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:26:20 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 ) 2024-04-11 17:26:20 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:26:20 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:26:20 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:26:20 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:26:20 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:26:20 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:26:20 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:26:20 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:26:20 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:26:20 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:26:20 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:26:21 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:26:21 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009272 2024-04-11 17:26:21 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:21 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:26:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:26:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:21 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:26:21 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:26:21 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:26:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:26:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:26:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:26:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:26:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:26:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:26:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:26:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:26:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:26:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:26:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:26:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:26:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:26:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:26:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:26:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:26:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:26:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:26:22 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:26:22 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:26:22 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:26:22 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:26:22 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:22 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:26:22 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:26:20.264278 End time: 2024-04-11 17:26:21.839209 2024-04-11 17:26:22 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:26:22 INFO tclean::::casa ########################################## 2024-04-11 17:26:22 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:26:22 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:22 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-04-11 17:26:22 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:26:22 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:26:22 2024****** 2024-04-11 17:26:22 INFO ImageFitter::fit+ 2024-04-11 17:26:22 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:26:22 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:26:22 INFO ImageFitter::fit+ --- region: 2024-04-11 17:26:22 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:26:22 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:26:22 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:26:22 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:26:22 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:26:22 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:26:22 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:22 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-04-11 17:26:22 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:26:22 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:26:22 INFO imstat::::casa ########################################## 2024-04-11 17:26:22 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:26:22 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-04-11 17:26:22 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:26:22 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:26:22 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:26:22 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:26:22 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:22 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-04-11 17:26:22 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:26:22 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:26:22 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:26:22 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:26:22 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:26:22 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:26:22 INFO imstat:::: Values --- 2024-04-11 17:26:22 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:26:22 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:26:22 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:26:22 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2024-04-11 17:26:22 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:26:22 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:26:22 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:26:22 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:26:22 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:26:22 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:26:22 INFO imstat:::: Statistics --- 2024-04-11 17:26:22 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:26:22 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:26:22 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:26:22 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:26:22 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2024-04-11 17:26:22 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2024-04-11 17:26:22 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2024-04-11 17:26:22 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2024-04-11 17:26:22 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2024-04-11 17:26:22 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:26:22 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:26:22 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:26:22 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:26:22 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:26:22 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:26:22 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777660e-05 4.999996e+00 2024-04-11 17:26:22 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:26:21.876287 End time: 2024-04-11 17:26:21.893836 2024-04-11 17:26:22 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:26:22 INFO imstat::::casa ########################################## 2024-04-11 17:26:22 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:22 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:26:22 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 40.100000000deg' ) 2024-04-11 17:26:22 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:26:22 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:26:22 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:26:22 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:26:22 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:26:22 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:26:22 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:26:22 INFO MSTransformManager::open Select data 2024-04-11 17:26:22 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:26:22 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19:53:50.0000 40.100000000deg successfully parsed 2024-04-11 17:26:22 INFO phaseshift::::casa Shift phase center 2024-04-11 17:26:22 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:26:21.905414 End time: 2024-04-11 17:26:22.473768 2024-04-11 17:26:22 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:26:22 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:23 INFO tclean::::casa ########################################## 2024-04-11 17:26:23 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:26:23 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-04-11 17:26:23 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:26:23 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:26:23 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:26:23 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:26:23 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:26:23 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:26:23 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:26:23 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:26:23 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:26:23 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:26:23 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:26:23 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:26:23 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.016029 2024-04-11 17:26:23 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:23 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:26:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:26:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:23 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:26:23 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:26:23 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:26:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:26:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:26:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:26:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:26:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:26:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:26:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:26:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:26:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:26:24 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:26:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:26:24 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:26:24 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:26:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:26:24 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:26:24 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:26:24 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:26:24 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:26:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:26:24 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:26:24 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:26:24 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:26:24 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:24 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:26:24 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:26:22.525277 End time: 2024-04-11 17:26:24.213144 2024-04-11 17:26:24 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:26:24 INFO tclean::::casa ########################################## 2024-04-11 17:26:24 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:26:24 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:24 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) 2024-04-11 17:26:24 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:26:24 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:26:24 2024****** 2024-04-11 17:26:24 INFO ImageFitter::fit+ 2024-04-11 17:26:24 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:26:24 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:26:24 INFO ImageFitter::fit+ --- region: 2024-04-11 17:26:24 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:26:24 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:26:24 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:26:24 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:26:24 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:26:24 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:26:24 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:24 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-04-11 17:26:24 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126491 Jy 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:26:24 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:26:24 INFO imstat::::casa ########################################## 2024-04-11 17:26:24 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:26:24 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 ) 2024-04-11 17:26:24 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:26:24 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:26:24 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:26:24 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:26:24 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:24 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) 2024-04-11 17:26:24 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:26:24 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:26:24 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:26:24 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:26:24 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:26:24 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:26:24 INFO imstat:::: Values --- 2024-04-11 17:26:24 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:26:24 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:26:24 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:26:24 INFO imstat:::: -- minimum value [min]: -7.77766e-05 Jy/beam 2024-04-11 17:26:24 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:26:24 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:26:24 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:26:24 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:26:24 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:26:24 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:26:24 INFO imstat:::: Statistics --- 2024-04-11 17:26:24 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:26:24 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:26:24 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:26:24 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:26:24 INFO imstat:::: -- Median of the pixel values [median]: -1.86645e-05 Jy/beam 2024-04-11 17:26:24 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73581e-05 Jy/beam 2024-04-11 17:26:24 INFO imstat:::: -- IQR [quartile]: 3.56193e-05 Jy/beam 2024-04-11 17:26:24 INFO imstat:::: -- First quartile [q1]: -3.45066e-05 Jy/beam 2024-04-11 17:26:24 INFO imstat:::: -- Third quartile [q3]: 1.11276e-06 Jy/beam 2024-04-11 17:26:24 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:26:24 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:26:24 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:26:24 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:26:24 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:26:24 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:26:24 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777660e-05 4.999996e+00 2024-04-11 17:26:24 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:26:24.274889 End time: 2024-04-11 17:26:24.299299 2024-04-11 17:26:24 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:26:24 INFO imstat::::casa ########################################## 2024-04-11 17:26:24 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:24 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:26:24 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 19:53:50.0000 0.699877030rad' ) 2024-04-11 17:26:24 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:26:24 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:26:24 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:26:24 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:26:24 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:26:24 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:26:24 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:26:24 INFO MSTransformManager::open Select data 2024-04-11 17:26:24 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:26:25 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 19:53:50.0000 0.699877030rad successfully parsed 2024-04-11 17:26:25 INFO phaseshift::::casa Shift phase center 2024-04-11 17:26:25 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:26:24.315166 End time: 2024-04-11 17:26:24.767109 2024-04-11 17:26:25 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:26:25 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:25 INFO tclean::::casa ########################################## 2024-04-11 17:26:25 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:26:25 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-04-11 17:26:25 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:26:25 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:26:25 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:26:25 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:26:25 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:26:25 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:26:25 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:26:25 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:26:25 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:26:25 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:26:25 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:26:25 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:26:25 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009381 2024-04-11 17:26:25 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:25 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:26:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:26:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:25 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:26:25 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:26:25 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:26:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:26:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:26:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:26:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:26:26 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:26:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:26:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:26:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:26:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:26:26 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:26:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:26:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:26:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:26:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:26:26 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:26:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:26:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:26:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:26:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:26:26 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:26:26 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:26:26 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:26:26 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:26 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:26:26 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:26:24.804835 End time: 2024-04-11 17:26:26.391311 2024-04-11 17:26:26 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:26:26 INFO tclean::::casa ########################################## 2024-04-11 17:26:26 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:26:26 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:26 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) 2024-04-11 17:26:26 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:26:26 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:26:26 2024****** 2024-04-11 17:26:26 INFO ImageFitter::fit+ 2024-04-11 17:26:26 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:26:26 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:26:26 INFO ImageFitter::fit+ --- region: 2024-04-11 17:26:26 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:26:26 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:26:26 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:26:26 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:26:26 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:26:26 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:26:26 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:26 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) 2024-04-11 17:26:26 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126486 Jy 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:26:26 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:26:26 INFO imstat::::casa ########################################## 2024-04-11 17:26:26 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:26:26 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 ) 2024-04-11 17:26:26 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:26:26 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:26:26 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:26:26 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:26:26 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:26 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) 2024-04-11 17:26:26 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:26:26 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:26:26 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:26:26 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:26:26 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:26:26 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:26:26 INFO imstat:::: Values --- 2024-04-11 17:26:26 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:26:26 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:26:26 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:26:26 INFO imstat:::: -- minimum value [min]: -7.77764e-05 Jy/beam 2024-04-11 17:26:26 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:26:26 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-04-11 17:26:26 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:26:26 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2024-04-11 17:26:26 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:26:26 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:26:26 INFO imstat:::: Statistics --- 2024-04-11 17:26:26 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:26:26 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:26:26 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:26:26 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:26:26 INFO imstat:::: -- Median of the pixel values [median]: -1.86664e-05 Jy/beam 2024-04-11 17:26:26 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2024-04-11 17:26:26 INFO imstat:::: -- IQR [quartile]: 3.56255e-05 Jy/beam 2024-04-11 17:26:26 INFO imstat:::: -- First quartile [q1]: -3.45078e-05 Jy/beam 2024-04-11 17:26:26 INFO imstat:::: -- Third quartile [q3]: 1.11764e-06 Jy/beam 2024-04-11 17:26:26 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:26:26 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:26:26 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:26:26 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:26:26 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:26:26 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:26:26 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 2024-04-11 17:26:26 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:26:26.437106 End time: 2024-04-11 17:26:26.453497 2024-04-11 17:26:26 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:26:26 INFO imstat::::casa ########################################## 2024-04-11 17:26:26 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:26 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:26:26 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 40d06m00' ) 2024-04-11 17:26:26 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:26:26 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:26:26 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:26:26 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:26:26 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:26:26 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:26:26 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:26:26 INFO MSTransformManager::open Select data 2024-04-11 17:26:26 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:26:27 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 298.458333333deg 40d06m00 successfully parsed 2024-04-11 17:26:27 INFO phaseshift::::casa Shift phase center 2024-04-11 17:26:27 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:26:26.465310 End time: 2024-04-11 17:26:27.011426 2024-04-11 17:26:27 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:26:27 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:27 INFO tclean::::casa ########################################## 2024-04-11 17:26:27 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:26:27 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-04-11 17:26:27 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:26:27 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:26:27 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:26:27 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:26:27 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:26:27 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:26:27 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:26:27 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:26:27 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:26:27 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:26:27 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:26:27 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:26:27 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009289 2024-04-11 17:26:27 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:27 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:26:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:26:28 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:28 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:26:28 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:26:28 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:28 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:26:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:26:28 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:26:28 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:26:28 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:26:28 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:26:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:26:28 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:26:28 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:26:28 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:26:28 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:26:28 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:26:28 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:26:28 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:26:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:26:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:26:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:26:29 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:26:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:26:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:26:29 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:26:29 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:26:29 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:26:29 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:29 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:26:29 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:26:27.049413 End time: 2024-04-11 17:26:28.927889 2024-04-11 17:26:29 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:26:29 INFO tclean::::casa ########################################## 2024-04-11 17:26:29 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:26:29 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:29 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) 2024-04-11 17:26:29 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:26:29 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:26:29 2024****** 2024-04-11 17:26:29 INFO ImageFitter::fit+ 2024-04-11 17:26:29 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:26:29 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:26:29 INFO ImageFitter::fit+ --- region: 2024-04-11 17:26:29 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:26:29 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:26:29 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:26:29 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:26:29 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:26:29 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:26:29 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:29 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) 2024-04-11 17:26:29 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:26:29 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:26:29 INFO imstat::::casa ########################################## 2024-04-11 17:26:29 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:26:29 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 ) 2024-04-11 17:26:29 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:26:29 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:26:29 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:26:29 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:26:29 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:29 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) 2024-04-11 17:26:29 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:26:29 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:26:29 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:26:29 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:26:29 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:26:29 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:26:29 INFO imstat:::: Values --- 2024-04-11 17:26:29 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:26:29 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:26:29 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:26:29 INFO imstat:::: -- minimum value [min]: -7.77758e-05 Jy/beam 2024-04-11 17:26:29 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:26:29 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:26:29 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:26:29 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:26:29 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:26:29 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:26:29 INFO imstat:::: Statistics --- 2024-04-11 17:26:29 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:26:29 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:26:29 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:26:29 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:26:29 INFO imstat:::: -- Median of the pixel values [median]: -1.86641e-05 Jy/beam 2024-04-11 17:26:29 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2024-04-11 17:26:29 INFO imstat:::: -- IQR [quartile]: 3.56208e-05 Jy/beam 2024-04-11 17:26:29 INFO imstat:::: -- First quartile [q1]: -3.45075e-05 Jy/beam 2024-04-11 17:26:29 INFO imstat:::: -- Third quartile [q3]: 1.11336e-06 Jy/beam 2024-04-11 17:26:29 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:26:29 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:26:29 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:26:29 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:26:29 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:26:29 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:26:29 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777580e-05 4.999996e+00 2024-04-11 17:26:29 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:26:28.962300 End time: 2024-04-11 17:26:28.978995 2024-04-11 17:26:29 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:26:29 INFO imstat::::casa ########################################## 2024-04-11 17:26:29 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:29 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:26:29 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 02:40:24.0000' ) 2024-04-11 17:26:29 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:26:29 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:26:29 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:26:29 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:26:29 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:26:29 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:26:29 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:26:29 INFO MSTransformManager::open Select data 2024-04-11 17:26:29 INFO MSTransformManager::createOutputMSStructure Create output MS structure 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 ".". 2024-04-11 17:26:29 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 298.458333333deg 02:40:24.0000 successfully parsed 2024-04-11 17:26:29 INFO phaseshift::::casa Shift phase center 2024-04-11 17:26:29 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:26:28.990276 End time: 2024-04-11 17:26:29.476120 2024-04-11 17:26:29 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:26:29 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:30 INFO tclean::::casa ########################################## 2024-04-11 17:26:30 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:26:30 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 ) 2024-04-11 17:26:30 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:26:30 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:26:30 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:26:30 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:26:30 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:26:30 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:26:30 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:26:30 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:26:30 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:26:30 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:26:30 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:26:30 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:26:30 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.018502 2024-04-11 17:26:30 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:30 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:26:30 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:26:30 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:30 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:26:30 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:26:30 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:30 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:26:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:26:30 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:26:30 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:26:30 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:26:30 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:26:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:26:30 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:26:30 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:26:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:26:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:26:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:26:31 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:26:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:26:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:26:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:26:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:26:31 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:26:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:26:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:26:31 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:26:31 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:26:31 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:26:31 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:31 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:26:31 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:26:29.525590 End time: 2024-04-11 17:26:31.049927 2024-04-11 17:26:31 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:26:31 INFO tclean::::casa ########################################## 2024-04-11 17:26:31 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:26:31 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:31 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) 2024-04-11 17:26:31 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:26:31 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:26:31 2024****** 2024-04-11 17:26:31 INFO ImageFitter::fit+ 2024-04-11 17:26:31 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:26:31 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:26:31 INFO ImageFitter::fit+ --- region: 2024-04-11 17:26:31 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:26:31 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:26:31 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:26:31 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:26:31 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:26:31 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:26:31 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:31 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) 2024-04-11 17:26:31 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:26:31 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:26:31 INFO imstat::::casa ########################################## 2024-04-11 17:26:31 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:26:31 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 ) 2024-04-11 17:26:31 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:26:31 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:26:31 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:26:31 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:26:31 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:31 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) 2024-04-11 17:26:31 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:26:31 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:26:31 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:26:31 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:26:31 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:26:31 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:26:31 INFO imstat:::: Values --- 2024-04-11 17:26:31 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:26:31 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:26:31 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:26:31 INFO imstat:::: -- minimum value [min]: -7.77758e-05 Jy/beam 2024-04-11 17:26:31 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:26:31 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:26:31 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:26:31 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:26:31 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:26:31 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:26:31 INFO imstat:::: Statistics --- 2024-04-11 17:26:31 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:26:31 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:26:31 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:26:31 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:26:31 INFO imstat:::: -- Median of the pixel values [median]: -1.86641e-05 Jy/beam 2024-04-11 17:26:31 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2024-04-11 17:26:31 INFO imstat:::: -- IQR [quartile]: 3.56208e-05 Jy/beam 2024-04-11 17:26:31 INFO imstat:::: -- First quartile [q1]: -3.45075e-05 Jy/beam 2024-04-11 17:26:31 INFO imstat:::: -- Third quartile [q3]: 1.11336e-06 Jy/beam 2024-04-11 17:26:31 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:26:31 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:26:31 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:26:31 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:26:31 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:26:31 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:26:31 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777580e-05 4.999996e+00 2024-04-11 17:26:31 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:26:31.084382 End time: 2024-04-11 17:26:31.101344 2024-04-11 17:26:31 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:26:31 INFO imstat::::casa ########################################## 2024-04-11 17:26:31 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:31 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:26:31 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 40.100000000deg' ) 2024-04-11 17:26:31 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:26:31 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:26:31 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:26:31 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:26:31 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:26:31 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:26:31 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:26:31 INFO MSTransformManager::open Select data 2024-04-11 17:26:31 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:26:31 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 298.458333333deg 40.100000000deg successfully parsed 2024-04-11 17:26:31 INFO phaseshift::::casa Shift phase center 2024-04-11 17:26:32 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:26:31.112899 End time: 2024-04-11 17:26:31.656390 2024-04-11 17:26:32 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:26:32 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:32 INFO tclean::::casa ########################################## 2024-04-11 17:26:32 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:26:32 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 ) 2024-04-11 17:26:32 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:26:32 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:26:32 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:26:32 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:26:32 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:26:32 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:26:32 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:26:32 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:26:32 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:26:32 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:26:32 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:26:32 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:26:32 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.016639 2024-04-11 17:26:32 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:32 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:26:32 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:26:32 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:32 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:26:32 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:26:32 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:32 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:26:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:26:32 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:26:32 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:26:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:26:33 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:26:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:26:33 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:26:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:26:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:26:33 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:26:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:26:33 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:26:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:26:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:26:33 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:26:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:26:33 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:26:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:26:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:26:34 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:26:34 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:26:34 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:26:34 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:34 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:26:34 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:26:31.697493 End time: 2024-04-11 17:26:33.759392 2024-04-11 17:26:34 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:26:34 INFO tclean::::casa ########################################## 2024-04-11 17:26:34 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:26:34 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:34 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-04-11 17:26:34 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:26:34 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:26:34 2024****** 2024-04-11 17:26:34 INFO ImageFitter::fit+ 2024-04-11 17:26:34 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:26:34 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:26:34 INFO ImageFitter::fit+ --- region: 2024-04-11 17:26:34 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:26:34 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:26:34 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:26:34 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:26:34 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:26:34 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:26:34 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:34 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-04-11 17:26:34 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:26:34 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:26:34 INFO imstat::::casa ########################################## 2024-04-11 17:26:34 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:26:34 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-04-11 17:26:34 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:26:34 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:26:34 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:26:34 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:26:34 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:34 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-04-11 17:26:34 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:26:34 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:26:34 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:26:34 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:26:34 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:26:34 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:26:34 INFO imstat:::: Values --- 2024-04-11 17:26:34 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:26:34 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:26:34 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:26:34 INFO imstat:::: -- minimum value [min]: -7.77758e-05 Jy/beam 2024-04-11 17:26:34 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:26:34 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:26:34 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:26:34 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:26:34 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:26:34 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:26:34 INFO imstat:::: Statistics --- 2024-04-11 17:26:34 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:26:34 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:26:34 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:26:34 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:26:34 INFO imstat:::: -- Median of the pixel values [median]: -1.86641e-05 Jy/beam 2024-04-11 17:26:34 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7358e-05 Jy/beam 2024-04-11 17:26:34 INFO imstat:::: -- IQR [quartile]: 3.56208e-05 Jy/beam 2024-04-11 17:26:34 INFO imstat:::: -- First quartile [q1]: -3.45075e-05 Jy/beam 2024-04-11 17:26:34 INFO imstat:::: -- Third quartile [q3]: 1.11336e-06 Jy/beam 2024-04-11 17:26:34 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:26:34 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:26:34 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:26:34 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:26:34 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:26:34 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:26:34 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 2024-04-11 17:26:34 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:26:33.818980 End time: 2024-04-11 17:26:33.842622 2024-04-11 17:26:34 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:26:34 INFO imstat::::casa ########################################## 2024-04-11 17:26:34 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:34 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:26:34 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 298.458333333deg 0.699877030rad' ) 2024-04-11 17:26:34 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:26:34 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:26:34 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:26:34 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:26:34 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:26:34 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:26:34 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:26:34 INFO MSTransformManager::open Select data 2024-04-11 17:26:34 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:26:34 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 298.458333333deg 0.699877030rad successfully parsed 2024-04-11 17:26:34 INFO phaseshift::::casa Shift phase center 2024-04-11 17:26:34 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:26:33.858305 End time: 2024-04-11 17:26:34.307468 2024-04-11 17:26:34 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:26:34 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:34 INFO tclean::::casa ########################################## 2024-04-11 17:26:34 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:26:34 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 ) 2024-04-11 17:26:34 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:26:34 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:26:34 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:26:34 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:26:34 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:26:34 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:26:34 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:26:34 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:26:34 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:26:34 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:26:34 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:26:35 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:26:35 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.019985 2024-04-11 17:26:35 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:35 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:26:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:26:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:35 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:26:35 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:26:35 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:35 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:26:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:26:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:26:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:26:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:26:35 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:26:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:26:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:26:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:26:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:26:35 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:26:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:26:35 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:26:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:26:35 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:26:35 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:35 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:26:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:26:36 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:26:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:26:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:26:36 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:26:36 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:26:36 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:26:36 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:36 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:26:36 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:26:34.335103 End time: 2024-04-11 17:26:35.998044 2024-04-11 17:26:36 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:26:36 INFO tclean::::casa ########################################## 2024-04-11 17:26:36 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:26:36 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:36 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-04-11 17:26:36 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:26:36 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:26:36 2024****** 2024-04-11 17:26:36 INFO ImageFitter::fit+ 2024-04-11 17:26:36 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:26:36 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:26:36 INFO ImageFitter::fit+ --- region: 2024-04-11 17:26:36 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:26:36 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:26:36 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:26:36 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:26:36 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:26:36 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:26:36 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:36 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-04-11 17:26:36 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126487 Jy 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ --- ra: 128.000000 +/- 0.000127 pixels 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:26:36 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:26:36 INFO imstat::::casa ########################################## 2024-04-11 17:26:36 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:26:36 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-04-11 17:26:36 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:26:36 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:26:36 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:26:36 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:26:36 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:36 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-04-11 17:26:36 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:26:36 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:26:36 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:26:36 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:26:36 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:26:36 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:26:36 INFO imstat:::: Values --- 2024-04-11 17:26:36 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:26:36 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:26:36 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:26:36 INFO imstat:::: -- minimum value [min]: -7.77738e-05 Jy/beam 2024-04-11 17:26:36 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:26:36 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:26:36 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:26:36 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:26:36 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:26:36 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:26:36 INFO imstat:::: Statistics --- 2024-04-11 17:26:36 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:26:36 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:26:36 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:26:36 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:26:36 INFO imstat:::: -- Median of the pixel values [median]: -1.86662e-05 Jy/beam 2024-04-11 17:26:36 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73577e-05 Jy/beam 2024-04-11 17:26:36 INFO imstat:::: -- IQR [quartile]: 3.56242e-05 Jy/beam 2024-04-11 17:26:36 INFO imstat:::: -- First quartile [q1]: -3.45075e-05 Jy/beam 2024-04-11 17:26:36 INFO imstat:::: -- Third quartile [q3]: 1.11673e-06 Jy/beam 2024-04-11 17:26:36 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:26:36 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:26:36 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:26:36 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:26:36 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:26:36 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:26:36 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 2024-04-11 17:26:36 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:26:36.062620 End time: 2024-04-11 17:26:36.096534 2024-04-11 17:26:36 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:26:36 INFO imstat::::casa ########################################## 2024-04-11 17:26:36 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:36 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:26:36 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 40d06m00' ) 2024-04-11 17:26:36 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:26:36 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:26:36 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:26:36 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:26:36 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:26:36 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:26:36 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:26:36 INFO MSTransformManager::open Select data 2024-04-11 17:26:36 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:26:36 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 5.209080597rad 40d06m00 successfully parsed 2024-04-11 17:26:36 INFO phaseshift::::casa Shift phase center 2024-04-11 17:26:37 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:26:36.120216 End time: 2024-04-11 17:26:36.619127 2024-04-11 17:26:37 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:26:37 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:37 INFO tclean::::casa ########################################## 2024-04-11 17:26:37 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:26:37 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 ) 2024-04-11 17:26:37 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:26:37 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:26:37 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:26:37 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:26:37 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:26:37 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:26:37 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:26:37 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:26:37 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:26:37 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:26:37 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:26:37 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:26:37 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.017756 2024-04-11 17:26:37 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:37 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:26:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:26:37 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:37 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:26:37 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:26:37 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:37 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:26:37 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:26:37 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:26:37 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:26:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:26:38 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:26:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:26:38 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:26:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:26:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:26:38 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:26:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:26:38 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:26:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:26:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:26:38 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:26:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:26:38 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:26:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:26:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:26:38 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:26:38 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:26:38 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:26:38 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:38 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:26:38 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:26:36.671240 End time: 2024-04-11 17:26:38.218734 2024-04-11 17:26:38 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:26:38 INFO tclean::::casa ########################################## 2024-04-11 17:26:38 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:26:38 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:38 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-04-11 17:26:38 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:26:38 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:26:38 2024****** 2024-04-11 17:26:38 INFO ImageFitter::fit+ 2024-04-11 17:26:38 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:26:38 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:26:38 INFO ImageFitter::fit+ --- region: 2024-04-11 17:26:38 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:26:38 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:26:38 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:26:38 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:26:38 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:26:38 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:26:38 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:38 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-04-11 17:26:38 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:26:38 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:26:38 INFO imstat::::casa ########################################## 2024-04-11 17:26:38 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:26:38 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-04-11 17:26:38 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:26:38 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:26:38 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:26:38 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:26:38 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:38 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-04-11 17:26:38 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:26:38 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:26:38 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:26:38 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:26:38 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:26:38 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:26:38 INFO imstat:::: Values --- 2024-04-11 17:26:38 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:26:38 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:26:38 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:26:38 INFO imstat:::: -- minimum value [min]: -7.77801e-05 Jy/beam 2024-04-11 17:26:38 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:26:38 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-04-11 17:26:38 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:26:38 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2024-04-11 17:26:38 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:26:38 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:26:38 INFO imstat:::: Statistics --- 2024-04-11 17:26:38 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:26:38 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:26:38 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:26:38 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:26:38 INFO imstat:::: -- Median of the pixel values [median]: -1.86723e-05 Jy/beam 2024-04-11 17:26:38 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam 2024-04-11 17:26:38 INFO imstat:::: -- IQR [quartile]: 3.55964e-05 Jy/beam 2024-04-11 17:26:38 INFO imstat:::: -- First quartile [q1]: -3.45025e-05 Jy/beam 2024-04-11 17:26:38 INFO imstat:::: -- Third quartile [q3]: 1.09391e-06 Jy/beam 2024-04-11 17:26:38 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:26:38 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:26:38 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:26:38 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:26:38 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:26:38 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:26:38 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778010e-05 4.999996e+00 2024-04-11 17:26:38 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:26:38.253821 End time: 2024-04-11 17:26:38.270649 2024-04-11 17:26:38 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:26:38 INFO imstat::::casa ########################################## 2024-04-11 17:26:38 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:38 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:26:38 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 02:40:24.0000' ) 2024-04-11 17:26:38 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:26:38 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:26:38 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:26:38 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:26:38 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:26:38 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:26:38 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:26:38 INFO MSTransformManager::open Select data 2024-04-11 17:26:38 INFO MSTransformManager::createOutputMSStructure Create output MS structure 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 ".". 2024-04-11 17:26:39 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 5.209080597rad 02:40:24.0000 successfully parsed 2024-04-11 17:26:39 INFO phaseshift::::casa Shift phase center 2024-04-11 17:26:39 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:26:38.282475 End time: 2024-04-11 17:26:38.733123 2024-04-11 17:26:39 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:26:39 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:39 INFO tclean::::casa ########################################## 2024-04-11 17:26:39 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:26:39 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 ) 2024-04-11 17:26:39 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:26:39 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:26:39 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:26:39 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:26:39 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:26:39 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:26:39 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:26:39 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:26:39 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:26:39 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:26:39 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:26:39 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:26:39 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.014221 2024-04-11 17:26:39 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:39 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:26:39 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:26:39 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:39 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:26:39 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:26:39 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:39 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:26:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:26:39 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:26:39 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:26:39 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:26:39 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:26:39 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:26:39 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:26:39 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:26:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:26:40 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:26:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:26:40 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:26:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:26:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:26:40 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:26:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:26:40 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:26:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:26:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:26:40 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:26:40 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:26:40 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:26:40 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:40 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:26:40 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:26:38.759524 End time: 2024-04-11 17:26:40.202278 2024-04-11 17:26:40 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:26:40 INFO tclean::::casa ########################################## 2024-04-11 17:26:40 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:26:40 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:40 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-04-11 17:26:40 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:26:40 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:26:40 2024****** 2024-04-11 17:26:40 INFO ImageFitter::fit+ 2024-04-11 17:26:40 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:26:40 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:26:40 INFO ImageFitter::fit+ --- region: 2024-04-11 17:26:40 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:26:40 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:26:40 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:26:40 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:26:40 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:26:40 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:26:40 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:40 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-04-11 17:26:40 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:26:40 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:26:40 INFO imstat::::casa ########################################## 2024-04-11 17:26:40 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:26:40 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-04-11 17:26:40 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:26:40 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:26:40 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:26:40 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:26:40 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:40 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-04-11 17:26:40 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:26:40 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:26:40 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:26:40 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:26:40 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:26:40 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:26:40 INFO imstat:::: Values --- 2024-04-11 17:26:40 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:26:40 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:26:40 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:26:40 INFO imstat:::: -- minimum value [min]: -7.77801e-05 Jy/beam 2024-04-11 17:26:40 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:26:40 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-04-11 17:26:40 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:26:40 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2024-04-11 17:26:40 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:26:40 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:26:40 INFO imstat:::: Statistics --- 2024-04-11 17:26:40 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:26:40 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:26:40 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:26:40 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:26:40 INFO imstat:::: -- Median of the pixel values [median]: -1.86723e-05 Jy/beam 2024-04-11 17:26:40 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam 2024-04-11 17:26:40 INFO imstat:::: -- IQR [quartile]: 3.55964e-05 Jy/beam 2024-04-11 17:26:40 INFO imstat:::: -- First quartile [q1]: -3.45025e-05 Jy/beam 2024-04-11 17:26:40 INFO imstat:::: -- Third quartile [q3]: 1.09391e-06 Jy/beam 2024-04-11 17:26:40 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:26:40 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:26:40 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:26:40 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:26:40 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:26:40 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:26:40 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 2024-04-11 17:26:40 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:26:40.257614 End time: 2024-04-11 17:26:40.280328 2024-04-11 17:26:40 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:26:40 INFO imstat::::casa ########################################## 2024-04-11 17:26:40 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:40 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:26:40 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 40.100000000deg' ) 2024-04-11 17:26:40 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:26:40 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:26:40 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:26:40 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:26:40 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:26:40 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:26:40 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:26:40 INFO MSTransformManager::open Select data 2024-04-11 17:26:40 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:26:41 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 5.209080597rad 40.100000000deg successfully parsed 2024-04-11 17:26:41 INFO phaseshift::::casa Shift phase center 2024-04-11 17:26:41 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:26:40.293172 End time: 2024-04-11 17:26:40.727608 2024-04-11 17:26:41 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:26:41 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:41 INFO tclean::::casa ########################################## 2024-04-11 17:26:41 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:26:41 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 ) 2024-04-11 17:26:41 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:26:41 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:26:41 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:26:41 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:26:41 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:26:41 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:26:41 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:26:41 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:26:41 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:26:41 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:26:41 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:26:41 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:26:41 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.00942 2024-04-11 17:26:41 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:41 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:26:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:26:41 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:41 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:26:41 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:26:41 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:41 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:26:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:26:41 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:26:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:26:41 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:26:41 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:26:41 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:26:41 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:26:41 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:26:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:26:42 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:26:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:26:42 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:26:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:26:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:26:42 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:26:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:26:42 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:26:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:26:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:26:42 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:26:42 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:26:42 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:26:42 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:42 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:26:42 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:26:40.754457 End time: 2024-04-11 17:26:42.230872 2024-04-11 17:26:42 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:26:42 INFO tclean::::casa ########################################## 2024-04-11 17:26:42 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:26:42 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:42 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) 2024-04-11 17:26:42 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:26:42 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:26:42 2024****** 2024-04-11 17:26:42 INFO ImageFitter::fit+ 2024-04-11 17:26:42 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:26:42 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:26:42 INFO ImageFitter::fit+ --- region: 2024-04-11 17:26:42 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:26:42 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:26:42 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:26:42 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:26:42 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:26:42 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:26:42 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:42 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) 2024-04-11 17:26:42 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000001 +/- 0.000777 arcsec 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ --- dec: 128.000000 +/- 0.000097 pixels 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:26:42 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:26:42 INFO imstat::::casa ########################################## 2024-04-11 17:26:42 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:26:42 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 ) 2024-04-11 17:26:42 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:26:42 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:26:42 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:26:42 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:26:42 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:42 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) 2024-04-11 17:26:42 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:26:42 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:26:42 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:26:42 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:26:42 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:26:42 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:26:42 INFO imstat:::: Values --- 2024-04-11 17:26:42 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:26:42 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:26:42 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:26:42 INFO imstat:::: -- minimum value [min]: -7.77801e-05 Jy/beam 2024-04-11 17:26:42 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:26:42 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-04-11 17:26:42 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:26:42 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2024-04-11 17:26:42 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:26:42 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:26:42 INFO imstat:::: Statistics --- 2024-04-11 17:26:42 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:26:42 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:26:42 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:26:42 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:26:42 INFO imstat:::: -- Median of the pixel values [median]: -1.86723e-05 Jy/beam 2024-04-11 17:26:42 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73614e-05 Jy/beam 2024-04-11 17:26:42 INFO imstat:::: -- IQR [quartile]: 3.55964e-05 Jy/beam 2024-04-11 17:26:42 INFO imstat:::: -- First quartile [q1]: -3.45025e-05 Jy/beam 2024-04-11 17:26:42 INFO imstat:::: -- Third quartile [q3]: 1.09391e-06 Jy/beam 2024-04-11 17:26:42 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:26:42 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:26:42 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:26:42 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:26:42 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:26:42 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:26:42 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 2024-04-11 17:26:42 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:26:42.295433 End time: 2024-04-11 17:26:42.320896 2024-04-11 17:26:42 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:26:42 INFO imstat::::casa ########################################## 2024-04-11 17:26:42 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:42 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:26:42 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='J2000 5.209080597rad 0.699877030rad' ) 2024-04-11 17:26:42 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:26:42 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:26:42 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:26:42 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:26:42 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:26:42 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:26:42 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:26:42 INFO MSTransformManager::open Select data 2024-04-11 17:26:42 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:26:43 INFO PhaseShiftingTVI::parseConfiguration Phase center J2000 5.209080597rad 0.699877030rad successfully parsed 2024-04-11 17:26:43 INFO phaseshift::::casa Shift phase center 2024-04-11 17:26:43 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:26:42.336225 End time: 2024-04-11 17:26:42.960557 2024-04-11 17:26:43 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:26:43 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:43 INFO tclean::::casa ########################################## 2024-04-11 17:26:43 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:26:43 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 ) 2024-04-11 17:26:43 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:26:43 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:26:43 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:26:43 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:26:43 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:26:43 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:26:43 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:26:43 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:26:43 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:26:43 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:26:43 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:26:43 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:26:43 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009554 2024-04-11 17:26:43 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:43 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:26:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:26:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:43 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:26:43 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:26:43 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:43 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:26:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:26:44 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:26:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:26:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:26:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:26:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:26:44 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:26:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:26:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:26:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:26:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:26:44 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:26:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:26:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:26:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:26:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:26:44 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:26:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:26:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:26:44 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:26:44 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:26:44 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:26:44 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:44 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:26:45 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:26:43.003660 End time: 2024-04-11 17:26:44.499683 2024-04-11 17:26:45 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:26:45 INFO tclean::::casa ########################################## 2024-04-11 17:26:45 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:26:45 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:45 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-04-11 17:26:45 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:26:45 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:26:45 2024****** 2024-04-11 17:26:45 INFO ImageFitter::fit+ 2024-04-11 17:26:45 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:26:45 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:26:45 INFO ImageFitter::fit+ --- region: 2024-04-11 17:26:45 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:26:45 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:26:45 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:26:45 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:26:45 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:26:45 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:26:45 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:45 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-04-11 17:26:45 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126484 Jy 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:26:45 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:26:45 INFO imstat::::casa ########################################## 2024-04-11 17:26:45 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:26:45 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 ) 2024-04-11 17:26:45 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:26:45 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:26:45 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:26:45 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:26:45 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:45 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) 2024-04-11 17:26:45 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:26:45 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:26:45 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:26:45 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:26:45 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:26:45 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:26:45 INFO imstat:::: Values --- 2024-04-11 17:26:45 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:26:45 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:26:45 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:26:45 INFO imstat:::: -- minimum value [min]: -7.77793e-05 Jy/beam 2024-04-11 17:26:45 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:26:45 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-04-11 17:26:45 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:26:45 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2024-04-11 17:26:45 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:26:45 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:26:45 INFO imstat:::: Statistics --- 2024-04-11 17:26:45 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:26:45 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:26:45 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:26:45 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:26:45 INFO imstat:::: -- Median of the pixel values [median]: -1.86714e-05 Jy/beam 2024-04-11 17:26:45 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73592e-05 Jy/beam 2024-04-11 17:26:45 INFO imstat:::: -- IQR [quartile]: 3.55982e-05 Jy/beam 2024-04-11 17:26:45 INFO imstat:::: -- First quartile [q1]: -3.45035e-05 Jy/beam 2024-04-11 17:26:45 INFO imstat:::: -- Third quartile [q3]: 1.09469e-06 Jy/beam 2024-04-11 17:26:45 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:26:45 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:26:45 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:26:45 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:26:45 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:26:45 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:26:45 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 2024-04-11 17:26:45 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:26:44.536704 End time: 2024-04-11 17:26:44.554238 2024-04-11 17:26:45 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:26:45 INFO imstat::::casa ########################################## 2024-04-11 17:26:45 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:45 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:26:45 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 19h53m49.9980 40d06m0.0019' ) 2024-04-11 17:26:45 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:26:45 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:26:45 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:26:45 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:26:45 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:26:45 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:26:45 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:26:45 INFO MSTransformManager::open Select data 2024-04-11 17:26:45 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:26:45 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 19h53m49.9980 40d06m0.0019 successfully parsed 2024-04-11 17:26:45 INFO phaseshift::::casa Shift phase center 2024-04-11 17:26:45 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:26:44.567028 End time: 2024-04-11 17:26:45.032073 2024-04-11 17:26:45 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:26:45 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:45 INFO tclean::::casa ########################################## 2024-04-11 17:26:45 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:26:45 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 ) 2024-04-11 17:26:45 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:26:45 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:26:45 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:26:45 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:26:45 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:26:45 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:26:45 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:26:45 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:26:45 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:26:45 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:26:45 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:26:45 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:26:45 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.014794 2024-04-11 17:26:45 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:45 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:26:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:26:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:46 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:26:46 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:26:46 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:26:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:26:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:26:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:26:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:26:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:26:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:26:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:26:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:26:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:26:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:26:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:26:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:26:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:26:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:26:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:26:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:26:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:26:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:26:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:26:46 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:26:46 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:26:46 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:26:46 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:46 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:26:46 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:26:45.066876 End time: 2024-04-11 17:26:46.494007 2024-04-11 17:26:46 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:26:46 INFO tclean::::casa ########################################## 2024-04-11 17:26:47 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:26:47 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:47 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-04-11 17:26:47 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:26:47 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:26:47 2024****** 2024-04-11 17:26:47 INFO ImageFitter::fit+ 2024-04-11 17:26:47 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:26:47 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:26:47 INFO ImageFitter::fit+ --- region: 2024-04-11 17:26:47 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:26:47 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:26:47 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:26:47 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:26:47 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:26:47 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:26:47 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:47 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-04-11 17:26:47 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:26:47 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:26:47 INFO imstat::::casa ########################################## 2024-04-11 17:26:47 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:26:47 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-04-11 17:26:47 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:26:47 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:26:47 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:26:47 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:26:47 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:47 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-04-11 17:26:47 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:26:47 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:26:47 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:26:47 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:26:47 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:26:47 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:26:47 INFO imstat:::: Values --- 2024-04-11 17:26:47 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:26:47 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:26:47 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:26:47 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2024-04-11 17:26:47 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:26:47 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:26:47 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:26:47 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2024-04-11 17:26:47 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:26:47 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:26:47 INFO imstat:::: Statistics --- 2024-04-11 17:26:47 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:26:47 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:26:47 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:26:47 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:26:47 INFO imstat:::: -- Median of the pixel values [median]: -1.86712e-05 Jy/beam 2024-04-11 17:26:47 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam 2024-04-11 17:26:47 INFO imstat:::: -- IQR [quartile]: 3.56293e-05 Jy/beam 2024-04-11 17:26:47 INFO imstat:::: -- First quartile [q1]: -3.45095e-05 Jy/beam 2024-04-11 17:26:47 INFO imstat:::: -- Third quartile [q3]: 1.1198e-06 Jy/beam 2024-04-11 17:26:47 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:26:47 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:26:47 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:26:47 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:26:47 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:26:47 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:26:47 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 2024-04-11 17:26:47 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:26:46.529855 End time: 2024-04-11 17:26:46.547447 2024-04-11 17:26:47 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:26:47 INFO imstat::::casa ########################################## 2024-04-11 17:26:47 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:47 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:26:47 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19h53m49.9980 02:40:24.0001' ) 2024-04-11 17:26:47 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:26:47 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:26:47 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:26:47 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:26:47 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:26:47 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:26:47 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:26:47 INFO MSTransformManager::open Select data 2024-04-11 17:26:47 INFO MSTransformManager::createOutputMSStructure Create output MS structure 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 ".". 2024-04-11 17:26:47 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 19h53m49.9980 02:40:24.0001 successfully parsed 2024-04-11 17:26:47 INFO phaseshift::::casa Shift phase center 2024-04-11 17:26:47 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:26:46.559513 End time: 2024-04-11 17:26:46.995833 2024-04-11 17:26:47 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:26:47 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:47 INFO tclean::::casa ########################################## 2024-04-11 17:26:47 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:26:47 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 ) 2024-04-11 17:26:47 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:26:47 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:26:47 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:26:47 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:26:47 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:26:47 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:26:47 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:26:47 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:26:47 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:26:47 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:26:47 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:26:47 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:26:47 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.00941 2024-04-11 17:26:47 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:47 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:26:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:26:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:47 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:26:47 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:26:47 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:26:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:26:48 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:26:48 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:26:48 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:26:48 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:26:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:26:48 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:26:48 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:26:48 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:26:48 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:26:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:26:48 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:26:48 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:26:48 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:26:48 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:26:48 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:26:48 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:26:48 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:26:48 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:26:48 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:26:48 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:26:48 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:26:48 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:48 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:26:48 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:26:47.022825 End time: 2024-04-11 17:26:48.483169 2024-04-11 17:26:48 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:26:48 INFO tclean::::casa ########################################## 2024-04-11 17:26:48 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:26:48 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:48 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) 2024-04-11 17:26:49 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:26:49 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:26:49 2024****** 2024-04-11 17:26:49 INFO ImageFitter::fit+ 2024-04-11 17:26:49 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:26:49 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:26:49 INFO ImageFitter::fit+ --- region: 2024-04-11 17:26:49 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:26:49 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:26:49 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:26:49 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:26:49 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:26:49 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:26:49 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:49 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.996 to 19:53:46.513, +40.06.39.996) 2024-04-11 17:26:49 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116891 Jy 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126504 Jy 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999957 +/- 0.000777 arcsec 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ --- dec: 128.000047 +/- 0.000097 pixels 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:26:49 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:26:49 INFO imstat::::casa ########################################## 2024-04-11 17:26:49 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:26:49 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-04-11 17:26:49 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:26:49 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:26:49 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:26:49 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:26:49 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:49 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-04-11 17:26:49 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:26:49 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:26:49 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:26:49 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:26:49 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:26:49 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:26:49 INFO imstat:::: Values --- 2024-04-11 17:26:49 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:26:49 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:26:49 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:26:49 INFO imstat:::: -- minimum value [min]: -7.78094e-05 Jy/beam 2024-04-11 17:26:49 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:26:49 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-04-11 17:26:49 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:26:49 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz 2024-04-11 17:26:49 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:26:49 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:26:49 INFO imstat:::: Statistics --- 2024-04-11 17:26:49 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:26:49 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:26:49 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:26:49 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:26:49 INFO imstat:::: -- Median of the pixel values [median]: -1.86846e-05 Jy/beam 2024-04-11 17:26:49 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam 2024-04-11 17:26:49 INFO imstat:::: -- IQR [quartile]: 3.56505e-05 Jy/beam 2024-04-11 17:26:49 INFO imstat:::: -- First quartile [q1]: -3.45202e-05 Jy/beam 2024-04-11 17:26:49 INFO imstat:::: -- Third quartile [q3]: 1.13024e-06 Jy/beam 2024-04-11 17:26:49 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:26:49 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:26:49 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:26:49 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:26:49 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:26:49 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:26:49 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 2024-04-11 17:26:49 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:26:48.535263 End time: 2024-04-11 17:26:48.556579 2024-04-11 17:26:49 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:26:49 INFO imstat::::casa ########################################## 2024-04-11 17:26:49 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:49 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:26:49 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19h53m49.9980 40.100000528deg' ) 2024-04-11 17:26:49 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:26:49 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:26:49 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:26:49 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:26:49 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:26:49 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:26:49 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:26:49 INFO MSTransformManager::open Select data 2024-04-11 17:26:49 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:26:49 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 19h53m49.9980 40.100000528deg successfully parsed 2024-04-11 17:26:49 INFO phaseshift::::casa Shift phase center 2024-04-11 17:26:49 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:26:48.568152 End time: 2024-04-11 17:26:49.019426 2024-04-11 17:26:49 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:26:49 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:49 INFO tclean::::casa ########################################## 2024-04-11 17:26:49 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:26:49 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 ) 2024-04-11 17:26:49 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:26:49 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:26:49 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:26:49 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:26:49 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:26:49 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:26:49 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:26:49 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:26:49 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:26:49 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:26:49 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:26:49 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:26:49 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009271 2024-04-11 17:26:49 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:49 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:26:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:26:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:50 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:26:50 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:26:50 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:50 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:26:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:26:50 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:26:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:26:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:26:50 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:26:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:26:50 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:26:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:26:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:26:50 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:26:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:26:50 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:26:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:26:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:26:50 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:26:50 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:26:50 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:26:50 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:26:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:26:50 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:26:50 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:26:50 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:26:50 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:50 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:26:50 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:26:49.076942 End time: 2024-04-11 17:26:50.460711 2024-04-11 17:26:50 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:26:50 INFO tclean::::casa ########################################## 2024-04-11 17:26:50 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:26:50 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:50 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) 2024-04-11 17:26:50 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:26:50 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:26:50 2024****** 2024-04-11 17:26:50 INFO ImageFitter::fit+ 2024-04-11 17:26:50 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:26:50 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:26:50 INFO ImageFitter::fit+ --- region: 2024-04-11 17:26:50 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:26:50 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:26:50 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:26:50 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:26:50 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:26:50 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:26:50 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:50 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) 2024-04-11 17:26:50 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116876 Jy 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:26:50 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:26:50 INFO imstat::::casa ########################################## 2024-04-11 17:26:50 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:26:50 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 ) 2024-04-11 17:26:51 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:26:51 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:26:51 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:26:51 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:26:51 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:51 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) 2024-04-11 17:26:51 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:26:51 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:26:51 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:26:51 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:26:51 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:26:51 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:26:51 INFO imstat:::: Values --- 2024-04-11 17:26:51 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:26:51 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:26:51 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:26:51 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2024-04-11 17:26:51 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:26:51 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:26:51 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:26:51 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2024-04-11 17:26:51 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:26:51 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:26:51 INFO imstat:::: Statistics --- 2024-04-11 17:26:51 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:26:51 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:26:51 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:26:51 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:26:51 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2024-04-11 17:26:51 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam 2024-04-11 17:26:51 INFO imstat:::: -- IQR [quartile]: 3.56311e-05 Jy/beam 2024-04-11 17:26:51 INFO imstat:::: -- First quartile [q1]: -3.45119e-05 Jy/beam 2024-04-11 17:26:51 INFO imstat:::: -- Third quartile [q3]: 1.11928e-06 Jy/beam 2024-04-11 17:26:51 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:26:51 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:26:51 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:26:51 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:26:51 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:26:51 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:26:51 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 2024-04-11 17:26:51 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:26:50.496137 End time: 2024-04-11 17:26:50.513535 2024-04-11 17:26:51 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:26:51 INFO imstat::::casa ########################################## 2024-04-11 17:26:51 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:51 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:26:51 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19h53m49.9980 0.699877039rad' ) 2024-04-11 17:26:51 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:26:51 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:26:51 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:26:51 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:26:51 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:26:51 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:26:51 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:26:51 INFO MSTransformManager::open Select data 2024-04-11 17:26:51 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:26:51 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 19h53m49.9980 0.699877039rad successfully parsed 2024-04-11 17:26:51 INFO phaseshift::::casa Shift phase center 2024-04-11 17:26:51 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:26:50.525019 End time: 2024-04-11 17:26:50.954460 2024-04-11 17:26:51 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:26:51 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:51 INFO tclean::::casa ########################################## 2024-04-11 17:26:51 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:26:51 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-04-11 17:26:51 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:26:51 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:26:51 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:26:51 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:26:51 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:26:51 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:26:51 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:26:51 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:26:51 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:26:51 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:26:51 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:26:51 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:26:51 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009303 2024-04-11 17:26:51 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:51 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:26:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:26:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:51 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:26:51 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:26:51 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:26:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:26:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:26:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:26:52 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:26:52 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:26:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:26:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:26:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:26:52 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:26:52 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:26:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:26:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:26:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:26:52 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:26:52 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:26:52 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:26:52 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:26:52 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:26:52 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:26:52 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:26:52 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:26:52 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:26:52 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:52 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:26:53 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:26:50.981851 End time: 2024-04-11 17:26:52.501341 2024-04-11 17:26:53 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:26:53 INFO tclean::::casa ########################################## 2024-04-11 17:26:53 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:26:53 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:53 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) 2024-04-11 17:26:53 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:26:53 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:26:53 2024****** 2024-04-11 17:26:53 INFO ImageFitter::fit+ 2024-04-11 17:26:53 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:26:53 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:26:53 INFO ImageFitter::fit+ --- region: 2024-04-11 17:26:53 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:26:53 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:26:53 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:26:53 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:26:53 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:26:53 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:26:53 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:53 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) 2024-04-11 17:26:53 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999992 +/- 0.000777 arcsec 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ --- dec: 128.000009 +/- 0.000097 pixels 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:26:53 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:26:53 INFO imstat::::casa ########################################## 2024-04-11 17:26:53 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:26:53 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 ) 2024-04-11 17:26:53 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:26:53 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:26:53 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:26:53 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:26:53 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:53 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) 2024-04-11 17:26:53 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:26:53 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:26:53 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:26:53 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:26:53 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:26:53 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:26:53 INFO imstat:::: Values --- 2024-04-11 17:26:53 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:26:53 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:26:53 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:26:53 INFO imstat:::: -- minimum value [min]: -7.77867e-05 Jy/beam 2024-04-11 17:26:53 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:26:53 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:26:53 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:26:53 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2024-04-11 17:26:53 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:26:53 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:26:53 INFO imstat:::: Statistics --- 2024-04-11 17:26:53 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:26:53 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:26:53 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:26:53 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:26:53 INFO imstat:::: -- Median of the pixel values [median]: -1.86761e-05 Jy/beam 2024-04-11 17:26:53 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam 2024-04-11 17:26:53 INFO imstat:::: -- IQR [quartile]: 3.56319e-05 Jy/beam 2024-04-11 17:26:53 INFO imstat:::: -- First quartile [q1]: -3.45153e-05 Jy/beam 2024-04-11 17:26:53 INFO imstat:::: -- Third quartile [q3]: 1.11659e-06 Jy/beam 2024-04-11 17:26:53 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:26:53 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:26:53 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:26:53 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:26:53 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:26:53 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:26:53 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 2024-04-11 17:26:53 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:26:52.537302 End time: 2024-04-11 17:26:52.554976 2024-04-11 17:26:53 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:26:53 INFO imstat::::casa ########################################## 2024-04-11 17:26:53 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:53 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:26:53 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 40d06m0.0019' ) 2024-04-11 17:26:53 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:26:53 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:26:53 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:26:53 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:26:53 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:26:53 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:26:53 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:26:53 INFO MSTransformManager::open Select data 2024-04-11 17:26:53 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:26:53 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 19:53:49.9980 40d06m0.0019 successfully parsed 2024-04-11 17:26:53 INFO phaseshift::::casa Shift phase center 2024-04-11 17:26:53 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:26:52.566767 End time: 2024-04-11 17:26:53.065653 2024-04-11 17:26:53 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:26:53 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:53 INFO tclean::::casa ########################################## 2024-04-11 17:26:53 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:26:53 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 ) 2024-04-11 17:26:53 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:26:53 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:26:53 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:26:53 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:26:53 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:26:53 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:26:53 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:26:53 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:26:53 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:26:53 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:26:53 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:26:53 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:26:53 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009257 2024-04-11 17:26:53 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:53 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:26:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:26:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:54 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:26:54 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:26:54 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:26:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:26:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:26:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:26:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:26:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:26:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:26:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:26:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:26:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:26:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:26:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:26:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:26:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:26:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:26:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:26:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:26:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:26:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:26:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:26:54 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:26:54 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:26:54 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:26:54 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:54 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:26:54 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:26:53.097422 End time: 2024-04-11 17:26:54.469028 2024-04-11 17:26:54 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:26:54 INFO tclean::::casa ########################################## 2024-04-11 17:26:54 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:26:54 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:54 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-04-11 17:26:54 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:26:54 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:26:54 2024****** 2024-04-11 17:26:54 INFO ImageFitter::fit+ 2024-04-11 17:26:54 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:26:54 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:26:54 INFO ImageFitter::fit+ --- region: 2024-04-11 17:26:54 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:26:54 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:26:54 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:26:54 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:26:54 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:26:54 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:26:54 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:54 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-04-11 17:26:54 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:26:54 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:26:55 INFO imstat::::casa ########################################## 2024-04-11 17:26:55 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:26:55 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 ) 2024-04-11 17:26:55 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:26:55 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:26:55 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:26:55 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:26:55 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:55 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) 2024-04-11 17:26:55 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:26:55 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:26:55 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:26:55 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:26:55 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:26:55 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:26:55 INFO imstat:::: Values --- 2024-04-11 17:26:55 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:26:55 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:26:55 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:26:55 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2024-04-11 17:26:55 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:26:55 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:26:55 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:26:55 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2024-04-11 17:26:55 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:26:55 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:26:55 INFO imstat:::: Statistics --- 2024-04-11 17:26:55 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:26:55 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:26:55 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:26:55 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:26:55 INFO imstat:::: -- Median of the pixel values [median]: -1.86712e-05 Jy/beam 2024-04-11 17:26:55 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam 2024-04-11 17:26:55 INFO imstat:::: -- IQR [quartile]: 3.56293e-05 Jy/beam 2024-04-11 17:26:55 INFO imstat:::: -- First quartile [q1]: -3.45095e-05 Jy/beam 2024-04-11 17:26:55 INFO imstat:::: -- Third quartile [q3]: 1.1198e-06 Jy/beam 2024-04-11 17:26:55 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:26:55 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:26:55 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:26:55 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:26:55 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:26:55 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:26:55 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 2024-04-11 17:26:55 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:26:54.505071 End time: 2024-04-11 17:26:54.522173 2024-04-11 17:26:55 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:26:55 INFO imstat::::casa ########################################## 2024-04-11 17:26:55 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:55 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:26:55 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 02:40:24.0001' ) 2024-04-11 17:26:55 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:26:55 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:26:55 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:26:55 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:26:55 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:26:55 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:26:55 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:26:55 INFO MSTransformManager::open Select data 2024-04-11 17:26:55 INFO MSTransformManager::createOutputMSStructure Create output MS structure 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 ".". 2024-04-11 17:26:55 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 19:53:49.9980 02:40:24.0001 successfully parsed 2024-04-11 17:26:55 INFO phaseshift::::casa Shift phase center 2024-04-11 17:26:55 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:26:54.534071 End time: 2024-04-11 17:26:54.974221 2024-04-11 17:26:55 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:26:55 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:55 INFO tclean::::casa ########################################## 2024-04-11 17:26:55 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:26:55 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 ) 2024-04-11 17:26:55 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:26:55 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:26:55 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:26:55 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:26:55 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:26:55 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:26:55 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:26:55 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:26:55 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:26:55 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:26:55 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:26:55 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:26:55 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009369 2024-04-11 17:26:55 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:55 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:26:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:26:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:55 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:26:55 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:26:56 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:26:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:26:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:26:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:26:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:26:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:26:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:26:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:26:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:26:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:26:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:26:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:26:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:26:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:26:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:26:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:26:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:26:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:26:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:26:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:26:56 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:26:56 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:26:56 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:26:56 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:56 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:26:56 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:26:55.001663 End time: 2024-04-11 17:26:56.394262 2024-04-11 17:26:56 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:26:56 INFO tclean::::casa ########################################## 2024-04-11 17:26:56 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:26:56 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:56 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) 2024-04-11 17:26:56 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:26:56 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:26:56 2024****** 2024-04-11 17:26:56 INFO ImageFitter::fit+ 2024-04-11 17:26:56 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:26:56 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:26:56 INFO ImageFitter::fit+ --- region: 2024-04-11 17:26:56 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:26:56 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:26:56 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:26:56 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:26:56 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:26:56 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:26:56 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:56 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) 2024-04-11 17:26:56 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116891 Jy 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126504 Jy 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999957 +/- 0.000777 arcsec 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ --- dec: 128.000047 +/- 0.000097 pixels 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:26:56 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:26:56 INFO imstat::::casa ########################################## 2024-04-11 17:26:56 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:26:56 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 ) 2024-04-11 17:26:56 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:26:56 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:26:56 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:26:56 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:26:56 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:56 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) 2024-04-11 17:26:56 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:26:56 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:26:56 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:26:56 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:26:56 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:26:56 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:26:56 INFO imstat:::: Values --- 2024-04-11 17:26:56 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:26:56 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:26:56 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:26:56 INFO imstat:::: -- minimum value [min]: -7.78094e-05 Jy/beam 2024-04-11 17:26:56 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:26:56 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-04-11 17:26:56 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:26:56 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz 2024-04-11 17:26:56 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:26:56 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:26:56 INFO imstat:::: Statistics --- 2024-04-11 17:26:56 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:26:56 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:26:56 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:26:56 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:26:56 INFO imstat:::: -- Median of the pixel values [median]: -1.86846e-05 Jy/beam 2024-04-11 17:26:56 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam 2024-04-11 17:26:56 INFO imstat:::: -- IQR [quartile]: 3.56505e-05 Jy/beam 2024-04-11 17:26:56 INFO imstat:::: -- First quartile [q1]: -3.45202e-05 Jy/beam 2024-04-11 17:26:56 INFO imstat:::: -- Third quartile [q3]: 1.13024e-06 Jy/beam 2024-04-11 17:26:56 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:26:56 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:26:56 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:26:56 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:26:56 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:26:56 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:26:56 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 2024-04-11 17:26:56 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:26:56.435730 End time: 2024-04-11 17:26:56.453788 2024-04-11 17:26:56 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:26:56 INFO imstat::::casa ########################################## 2024-04-11 17:26:56 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:56 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:26:56 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 40.100000528deg' ) 2024-04-11 17:26:56 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:26:56 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:26:56 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:26:56 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:26:56 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:26:56 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:26:56 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:26:56 INFO MSTransformManager::open Select data 2024-04-11 17:26:57 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:26:57 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 19:53:49.9980 40.100000528deg successfully parsed 2024-04-11 17:26:57 INFO phaseshift::::casa Shift phase center 2024-04-11 17:26:57 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:26:56.465385 End time: 2024-04-11 17:26:57.084277 2024-04-11 17:26:57 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:26:57 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:57 INFO tclean::::casa ########################################## 2024-04-11 17:26:57 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:26:57 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 ) 2024-04-11 17:26:57 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:26:57 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:26:57 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:26:57 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:26:57 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:26:57 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:26:57 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:26:57 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:26:57 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:26:57 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:26:57 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:26:57 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:26:57 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009356 2024-04-11 17:26:57 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:57 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:26:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:26:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:58 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:26:58 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:26:58 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:26:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:26:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:26:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:26:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:26:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:26:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:26:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:26:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:26:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:26:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:26:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:26:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:26:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:26:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:26:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:26:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:26:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:26:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:26:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:26:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:26:59 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:26:59 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:26:59 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:26:59 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:26:59 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:26:59 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:26:59 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:26:57.112157 End time: 2024-04-11 17:26:58.712592 2024-04-11 17:26:59 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:26:59 INFO tclean::::casa ########################################## 2024-04-11 17:26:59 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:26:59 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:59 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) 2024-04-11 17:26:59 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:26:59 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:26:59 2024****** 2024-04-11 17:26:59 INFO ImageFitter::fit+ 2024-04-11 17:26:59 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:26:59 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:26:59 INFO ImageFitter::fit+ --- region: 2024-04-11 17:26:59 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:26:59 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:26:59 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:26:59 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:26:59 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:26:59 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:26:59 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:59 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) 2024-04-11 17:26:59 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116876 Jy 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:26:59 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:26:59 INFO imstat::::casa ########################################## 2024-04-11 17:26:59 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:26:59 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 ) 2024-04-11 17:26:59 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:26:59 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:26:59 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:26:59 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:26:59 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:26:59 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) 2024-04-11 17:26:59 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:26:59 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:26:59 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:26:59 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:26:59 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:26:59 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:26:59 INFO imstat:::: Values --- 2024-04-11 17:26:59 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:26:59 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:26:59 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:26:59 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2024-04-11 17:26:59 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:26:59 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:26:59 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:26:59 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2024-04-11 17:26:59 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:26:59 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:26:59 INFO imstat:::: Statistics --- 2024-04-11 17:26:59 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:26:59 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:26:59 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:26:59 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:26:59 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2024-04-11 17:26:59 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam 2024-04-11 17:26:59 INFO imstat:::: -- IQR [quartile]: 3.56311e-05 Jy/beam 2024-04-11 17:26:59 INFO imstat:::: -- First quartile [q1]: -3.45119e-05 Jy/beam 2024-04-11 17:26:59 INFO imstat:::: -- Third quartile [q3]: 1.11928e-06 Jy/beam 2024-04-11 17:26:59 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:26:59 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:26:59 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:26:59 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:26:59 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:26:59 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:26:59 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 2024-04-11 17:26:59 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:26:58.752211 End time: 2024-04-11 17:26:58.769597 2024-04-11 17:26:59 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:26:59 INFO imstat::::casa ########################################## 2024-04-11 17:26:59 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:59 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:26:59 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 19:53:49.9980 0.699877039rad' ) 2024-04-11 17:26:59 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:26:59 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:26:59 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:26:59 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:26:59 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:26:59 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:26:59 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:26:59 INFO MSTransformManager::open Select data 2024-04-11 17:26:59 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:26:59 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 19:53:49.9980 0.699877039rad successfully parsed 2024-04-11 17:26:59 INFO phaseshift::::casa Shift phase center 2024-04-11 17:26:59 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:26:58.781458 End time: 2024-04-11 17:26:59.229456 2024-04-11 17:26:59 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:26:59 INFO phaseshift::::casa ########################################## 2024-04-11 17:26:59 INFO tclean::::casa ########################################## 2024-04-11 17:26:59 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:26:59 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 ) 2024-04-11 17:26:59 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:26:59 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:26:59 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:26:59 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:26:59 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:26:59 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:26:59 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:26:59 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:26:59 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:26:59 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:26:59 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:00 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:00 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009254 2024-04-11 17:27:00 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:00 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:00 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:00 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:00 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:27:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:00 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:00 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:00 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:01 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:01 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:01 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:26:59.269450 End time: 2024-04-11 17:27:00.653560 2024-04-11 17:27:01 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:01 INFO tclean::::casa ########################################## 2024-04-11 17:27:01 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:01 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:01 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) 2024-04-11 17:27:01 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:01 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:01 2024****** 2024-04-11 17:27:01 INFO ImageFitter::fit+ 2024-04-11 17:27:01 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:01 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:01 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:01 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:01 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:01 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:01 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:01 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:01 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:01 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:01 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) 2024-04-11 17:27:01 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999992 +/- 0.000777 arcsec 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ --- dec: 128.000009 +/- 0.000097 pixels 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:01 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:01 INFO imstat::::casa ########################################## 2024-04-11 17:27:01 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:01 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 ) 2024-04-11 17:27:01 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:01 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:01 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:01 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:01 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:01 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-04-11 17:27:01 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:01 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:01 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:01 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:01 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:27:01 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:27:01 INFO imstat:::: Values --- 2024-04-11 17:27:01 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:01 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:01 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:01 INFO imstat:::: -- minimum value [min]: -7.77867e-05 Jy/beam 2024-04-11 17:27:01 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:01 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:27:01 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:01 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2024-04-11 17:27:01 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:01 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:01 INFO imstat:::: Statistics --- 2024-04-11 17:27:01 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:01 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:01 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:01 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:01 INFO imstat:::: -- Median of the pixel values [median]: -1.86761e-05 Jy/beam 2024-04-11 17:27:01 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam 2024-04-11 17:27:01 INFO imstat:::: -- IQR [quartile]: 3.56319e-05 Jy/beam 2024-04-11 17:27:01 INFO imstat:::: -- First quartile [q1]: -3.45153e-05 Jy/beam 2024-04-11 17:27:01 INFO imstat:::: -- Third quartile [q3]: 1.11659e-06 Jy/beam 2024-04-11 17:27:01 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:01 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:01 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:01 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:01 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:01 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:01 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 2024-04-11 17:27:01 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:00.688660 End time: 2024-04-11 17:27:00.705553 2024-04-11 17:27:01 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:01 INFO imstat::::casa ########################################## 2024-04-11 17:27:01 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:01 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:01 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 40d06m0.0019' ) 2024-04-11 17:27:01 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:01 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:01 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:01 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:01 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:01 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:01 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:01 INFO MSTransformManager::open Select data 2024-04-11 17:27:01 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:27:01 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 298.458325000deg 40d06m0.0019 successfully parsed 2024-04-11 17:27:01 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:01 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:00.717359 End time: 2024-04-11 17:27:01.145971 2024-04-11 17:27:01 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:01 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:01 INFO tclean::::casa ########################################## 2024-04-11 17:27:01 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:01 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 ) 2024-04-11 17:27:01 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:01 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:01 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:01 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:01 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:01 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:01 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:01 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:01 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:01 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:01 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:01 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:01 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009397 2024-04-11 17:27:01 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:01 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:02 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:02 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:02 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:27:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:02 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:02 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:02 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:03 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:03 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:03 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:01.172626 End time: 2024-04-11 17:27:02.691470 2024-04-11 17:27:03 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:03 INFO tclean::::casa ########################################## 2024-04-11 17:27:03 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:03 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:03 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) 2024-04-11 17:27:03 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:03 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:03 2024****** 2024-04-11 17:27:03 INFO ImageFitter::fit+ 2024-04-11 17:27:03 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:03 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:03 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:03 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:03 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:03 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:03 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:03 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:03 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:03 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:03 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) 2024-04-11 17:27:03 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:03 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:03 INFO imstat::::casa ########################################## 2024-04-11 17:27:03 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:03 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 ) 2024-04-11 17:27:03 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:03 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:03 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:03 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:03 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:03 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) 2024-04-11 17:27:03 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:03 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:03 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:03 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:03 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:27:03 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:27:03 INFO imstat:::: Values --- 2024-04-11 17:27:03 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:03 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:03 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:03 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2024-04-11 17:27:03 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:03 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:27:03 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:03 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2024-04-11 17:27:03 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:03 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:03 INFO imstat:::: Statistics --- 2024-04-11 17:27:03 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:03 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:03 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:03 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:03 INFO imstat:::: -- Median of the pixel values [median]: -1.86712e-05 Jy/beam 2024-04-11 17:27:03 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73636e-05 Jy/beam 2024-04-11 17:27:03 INFO imstat:::: -- IQR [quartile]: 3.56293e-05 Jy/beam 2024-04-11 17:27:03 INFO imstat:::: -- First quartile [q1]: -3.45095e-05 Jy/beam 2024-04-11 17:27:03 INFO imstat:::: -- Third quartile [q3]: 1.1198e-06 Jy/beam 2024-04-11 17:27:03 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:03 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:03 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:03 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:03 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:03 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:03 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 2024-04-11 17:27:03 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:02.748124 End time: 2024-04-11 17:27:02.771953 2024-04-11 17:27:03 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:03 INFO imstat::::casa ########################################## 2024-04-11 17:27:03 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:03 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:03 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 02:40:24.0001' ) 2024-04-11 17:27:03 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:03 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:03 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:03 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:03 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:03 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:03 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:03 INFO MSTransformManager::open Select data 2024-04-11 17:27:03 INFO MSTransformManager::createOutputMSStructure Create output MS structure 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 ".". 2024-04-11 17:27:03 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 298.458325000deg 02:40:24.0001 successfully parsed 2024-04-11 17:27:03 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:03 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:02.785705 End time: 2024-04-11 17:27:03.269384 2024-04-11 17:27:03 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:03 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:03 INFO tclean::::casa ########################################## 2024-04-11 17:27:03 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:03 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 ) 2024-04-11 17:27:03 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:03 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:03 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:03 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:03 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:03 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:03 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:03 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:03 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:03 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:03 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:04 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:04 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009335 2024-04-11 17:27:04 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:04 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:04 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:04 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:04 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:05 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:05 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:27:05 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:05 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:05 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:05 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:05 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:05 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:05 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:05 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:05 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:05 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:03.296045 End time: 2024-04-11 17:27:04.936450 2024-04-11 17:27:05 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:05 INFO tclean::::casa ########################################## 2024-04-11 17:27:05 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:05 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:05 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) 2024-04-11 17:27:05 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:05 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:05 2024****** 2024-04-11 17:27:05 INFO ImageFitter::fit+ 2024-04-11 17:27:05 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:05 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:05 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:05 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:05 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:05 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:05 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:05 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:05 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:05 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:05 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.996 to 19:53:46.513, +40.06.39.996) 2024-04-11 17:27:05 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116891 Jy 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126504 Jy 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999957 +/- 0.000777 arcsec 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ --- dec: 128.000047 +/- 0.000097 pixels 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:05 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:05 INFO imstat::::casa ########################################## 2024-04-11 17:27:05 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:05 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 ) 2024-04-11 17:27:05 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:05 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:05 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:05 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:05 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:05 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) 2024-04-11 17:27:05 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:05 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:05 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:05 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:05 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:27:05 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:27:05 INFO imstat:::: Values --- 2024-04-11 17:27:05 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:05 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:05 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:05 INFO imstat:::: -- minimum value [min]: -7.78094e-05 Jy/beam 2024-04-11 17:27:05 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:05 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-04-11 17:27:05 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:05 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz 2024-04-11 17:27:05 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:05 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:05 INFO imstat:::: Statistics --- 2024-04-11 17:27:05 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:05 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:05 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:05 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:05 INFO imstat:::: -- Median of the pixel values [median]: -1.86846e-05 Jy/beam 2024-04-11 17:27:05 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73901e-05 Jy/beam 2024-04-11 17:27:05 INFO imstat:::: -- IQR [quartile]: 3.56505e-05 Jy/beam 2024-04-11 17:27:05 INFO imstat:::: -- First quartile [q1]: -3.45202e-05 Jy/beam 2024-04-11 17:27:05 INFO imstat:::: -- Third quartile [q3]: 1.13024e-06 Jy/beam 2024-04-11 17:27:05 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:05 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:05 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:05 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:05 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:05 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:05 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 2024-04-11 17:27:05 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:04.971354 End time: 2024-04-11 17:27:04.988650 2024-04-11 17:27:05 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:05 INFO imstat::::casa ########################################## 2024-04-11 17:27:05 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:05 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:05 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 40.100000528deg' ) 2024-04-11 17:27:05 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:05 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:05 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:05 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:05 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:05 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:05 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:05 INFO MSTransformManager::open Select data 2024-04-11 17:27:05 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:27:05 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 298.458325000deg 40.100000528deg successfully parsed 2024-04-11 17:27:05 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:06 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:05.000039 End time: 2024-04-11 17:27:05.548117 2024-04-11 17:27:06 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:06 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:06 INFO tclean::::casa ########################################## 2024-04-11 17:27:06 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:06 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-04-11 17:27:06 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:06 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:06 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:06 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:06 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:06 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:06 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:06 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:06 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:06 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:06 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:06 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:06 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009528 2024-04-11 17:27:06 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:06 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:06 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:06 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:06 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:07 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:07 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:07 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:07 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:07 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:07 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:07 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:07 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:07 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:27:07 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:07 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:07 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:07 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:07 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:07 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:07 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:07 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:07 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:07 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:05.599446 End time: 2024-04-11 17:27:07.240535 2024-04-11 17:27:07 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:07 INFO tclean::::casa ########################################## 2024-04-11 17:27:07 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:07 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:07 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) 2024-04-11 17:27:07 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:07 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:07 2024****** 2024-04-11 17:27:07 INFO ImageFitter::fit+ 2024-04-11 17:27:07 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:07 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:07 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:07 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:07 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:07 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:07 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:07 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:07 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:07 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:07 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) 2024-04-11 17:27:07 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116876 Jy 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:07 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:07 INFO imstat::::casa ########################################## 2024-04-11 17:27:07 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:07 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 ) 2024-04-11 17:27:07 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:07 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:07 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:07 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:07 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:07 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) 2024-04-11 17:27:07 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:07 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:07 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:07 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:07 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:27:07 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:27:07 INFO imstat:::: Values --- 2024-04-11 17:27:07 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:07 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:07 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:07 INFO imstat:::: -- minimum value [min]: -7.77954e-05 Jy/beam 2024-04-11 17:27:07 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:07 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:27:07 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:07 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2024-04-11 17:27:07 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:07 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:07 INFO imstat:::: Statistics --- 2024-04-11 17:27:07 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:07 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:07 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:07 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:07 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2024-04-11 17:27:07 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73637e-05 Jy/beam 2024-04-11 17:27:07 INFO imstat:::: -- IQR [quartile]: 3.56311e-05 Jy/beam 2024-04-11 17:27:07 INFO imstat:::: -- First quartile [q1]: -3.45119e-05 Jy/beam 2024-04-11 17:27:07 INFO imstat:::: -- Third quartile [q3]: 1.11928e-06 Jy/beam 2024-04-11 17:27:07 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:07 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:07 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:07 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:07 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:07 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:07 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 2024-04-11 17:27:07 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:07.276014 End time: 2024-04-11 17:27:07.293746 2024-04-11 17:27:07 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:07 INFO imstat::::casa ########################################## 2024-04-11 17:27:07 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:07 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:07 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 298.458325000deg 0.699877039rad' ) 2024-04-11 17:27:07 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:07 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:07 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:07 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:07 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:07 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:07 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:07 INFO MSTransformManager::open Select data 2024-04-11 17:27:07 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:27:08 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 298.458325000deg 0.699877039rad successfully parsed 2024-04-11 17:27:08 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:08 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:07.305554 End time: 2024-04-11 17:27:07.811434 2024-04-11 17:27:08 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:08 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:08 INFO tclean::::casa ########################################## 2024-04-11 17:27:08 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:08 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-04-11 17:27:08 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:08 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:08 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:08 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:08 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:08 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:08 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:08 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:08 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:08 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:08 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:08 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:08 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009547 2024-04-11 17:27:08 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:08 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:08 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:08 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:08 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:08 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:08 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:08 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:08 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:09 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:09 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:09 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:09 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:09 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:09 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:09 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:09 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:27:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:09 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:09 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:09 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:09 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:09 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:09 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:09 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:09 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:07.838405 End time: 2024-04-11 17:27:09.299652 2024-04-11 17:27:09 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:09 INFO tclean::::casa ########################################## 2024-04-11 17:27:09 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:09 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:09 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) 2024-04-11 17:27:09 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:09 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:09 2024****** 2024-04-11 17:27:09 INFO ImageFitter::fit+ 2024-04-11 17:27:09 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:09 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:09 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:09 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:09 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:09 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:09 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:09 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:09 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:09 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:09 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) 2024-04-11 17:27:09 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012649 Jy 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999992 +/- 0.000777 arcsec 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ --- ra: 127.999970 +/- 0.000127 pixels 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ --- dec: 128.000009 +/- 0.000097 pixels 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:09 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:09 INFO imstat::::casa ########################################## 2024-04-11 17:27:09 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:09 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 ) 2024-04-11 17:27:09 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:09 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:09 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:09 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:09 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:09 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-04-11 17:27:09 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:09 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:09 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:09 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:09 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:27:09 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:27:09 INFO imstat:::: Values --- 2024-04-11 17:27:09 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:09 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:09 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:09 INFO imstat:::: -- minimum value [min]: -7.77867e-05 Jy/beam 2024-04-11 17:27:09 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:09 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:27:09 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:09 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2024-04-11 17:27:09 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:09 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:09 INFO imstat:::: Statistics --- 2024-04-11 17:27:09 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:09 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:09 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:09 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:09 INFO imstat:::: -- Median of the pixel values [median]: -1.86761e-05 Jy/beam 2024-04-11 17:27:09 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73623e-05 Jy/beam 2024-04-11 17:27:09 INFO imstat:::: -- IQR [quartile]: 3.56319e-05 Jy/beam 2024-04-11 17:27:09 INFO imstat:::: -- First quartile [q1]: -3.45153e-05 Jy/beam 2024-04-11 17:27:09 INFO imstat:::: -- Third quartile [q3]: 1.11659e-06 Jy/beam 2024-04-11 17:27:09 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:09 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:09 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:09 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:09 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:09 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:09 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 2024-04-11 17:27:09 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:09.362241 End time: 2024-04-11 17:27:09.387312 2024-04-11 17:27:09 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:09 INFO imstat::::casa ########################################## 2024-04-11 17:27:09 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:09 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:09 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 40d06m0.0019' ) 2024-04-11 17:27:09 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:09 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:09 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:09 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:09 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:09 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:09 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:09 INFO MSTransformManager::open Select data 2024-04-11 17:27:09 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:27:10 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 5.209080451rad 40d06m0.0019 successfully parsed 2024-04-11 17:27:10 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:10 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:09.402691 End time: 2024-04-11 17:27:09.956718 2024-04-11 17:27:10 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:10 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:10 INFO tclean::::casa ########################################## 2024-04-11 17:27:10 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:10 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-04-11 17:27:10 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:10 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:10 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:10 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:10 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:10 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:10 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:10 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:10 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:10 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:10 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:10 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:10 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009389 2024-04-11 17:27:10 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:10 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:10 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:10 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:10 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:11 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:11 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:11 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:11 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:11 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:11 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:27:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:11 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:11 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:11 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:11 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:11 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:11 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:11 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:10.001524 End time: 2024-04-11 17:27:11.335117 2024-04-11 17:27:11 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:11 INFO tclean::::casa ########################################## 2024-04-11 17:27:11 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:11 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:11 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) 2024-04-11 17:27:11 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:11 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:11 2024****** 2024-04-11 17:27:11 INFO ImageFitter::fit+ 2024-04-11 17:27:11 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:11 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:11 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:11 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:11 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:11 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:11 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:11 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:11 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:11 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:11 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) 2024-04-11 17:27:11 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116878 Jy 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126494 Jy 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999997 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ --- ra: 127.999966 +/- 0.000127 pixels 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:11 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:11 INFO imstat::::casa ########################################## 2024-04-11 17:27:11 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:11 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 ) 2024-04-11 17:27:11 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:11 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:11 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:11 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:11 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:11 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) 2024-04-11 17:27:11 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:11 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:11 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:11 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:11 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:27:11 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:27:11 INFO imstat:::: Values --- 2024-04-11 17:27:11 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:11 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:11 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:11 INFO imstat:::: -- minimum value [min]: -7.77984e-05 Jy/beam 2024-04-11 17:27:11 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:11 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:27:11 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:11 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2024-04-11 17:27:11 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:11 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:11 INFO imstat:::: Statistics --- 2024-04-11 17:27:11 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:11 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:11 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:11 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:11 INFO imstat:::: -- Median of the pixel values [median]: -1.86704e-05 Jy/beam 2024-04-11 17:27:11 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7365e-05 Jy/beam 2024-04-11 17:27:11 INFO imstat:::: -- IQR [quartile]: 3.56348e-05 Jy/beam 2024-04-11 17:27:11 INFO imstat:::: -- First quartile [q1]: -3.45131e-05 Jy/beam 2024-04-11 17:27:11 INFO imstat:::: -- Third quartile [q3]: 1.12172e-06 Jy/beam 2024-04-11 17:27:11 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:11 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:11 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:11 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:11 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:11 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:11 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 2024-04-11 17:27:11 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:11.370548 End time: 2024-04-11 17:27:11.387909 2024-04-11 17:27:11 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:11 INFO imstat::::casa ########################################## 2024-04-11 17:27:11 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:11 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:11 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 02:40:24.0001' ) 2024-04-11 17:27:11 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:11 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:11 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:11 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:11 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:11 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:11 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:11 INFO MSTransformManager::open Select data 2024-04-11 17:27:11 INFO MSTransformManager::createOutputMSStructure Create output MS structure 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 ".". 2024-04-11 17:27:12 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 5.209080451rad 02:40:24.0001 successfully parsed 2024-04-11 17:27:12 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:12 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:11.399458 End time: 2024-04-11 17:27:11.920437 2024-04-11 17:27:12 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:12 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:12 INFO tclean::::casa ########################################## 2024-04-11 17:27:12 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:12 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-04-11 17:27:12 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:12 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:12 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:12 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:12 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:12 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:12 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:12 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:12 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:12 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:12 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:12 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:12 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.015866 2024-04-11 17:27:12 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:12 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:13 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:13 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:13 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:13 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:13 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:13 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:13 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:27:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:13 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:13 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:13 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:14 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:14 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:14 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:11.959926 End time: 2024-04-11 17:27:13.677900 2024-04-11 17:27:14 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:14 INFO tclean::::casa ########################################## 2024-04-11 17:27:14 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:14 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:14 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) 2024-04-11 17:27:14 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:14 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:14 2024****** 2024-04-11 17:27:14 INFO ImageFitter::fit+ 2024-04-11 17:27:14 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:14 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:14 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:14 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:14 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:14 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:14 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:14 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:14 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:14 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:14 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) 2024-04-11 17:27:14 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116894 Jy 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126508 Jy 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999957 +/- 0.000777 arcsec 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ --- ra: 127.999966 +/- 0.000127 pixels 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ --- dec: 128.000047 +/- 0.000097 pixels 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:14 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:14 INFO imstat::::casa ########################################## 2024-04-11 17:27:14 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:14 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 ) 2024-04-11 17:27:14 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:14 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:14 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:14 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:14 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:14 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) 2024-04-11 17:27:14 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:14 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:14 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:14 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:14 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:27:14 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:27:14 INFO imstat:::: Values --- 2024-04-11 17:27:14 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:14 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:14 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:14 INFO imstat:::: -- minimum value [min]: -7.78076e-05 Jy/beam 2024-04-11 17:27:14 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:14 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-04-11 17:27:14 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:14 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.659, I, 999981612.9Hz 2024-04-11 17:27:14 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:14 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:14 INFO imstat:::: Statistics --- 2024-04-11 17:27:14 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:14 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:14 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:14 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:14 INFO imstat:::: -- Median of the pixel values [median]: -1.86848e-05 Jy/beam 2024-04-11 17:27:14 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73951e-05 Jy/beam 2024-04-11 17:27:14 INFO imstat:::: -- IQR [quartile]: 3.56676e-05 Jy/beam 2024-04-11 17:27:14 INFO imstat:::: -- First quartile [q1]: -3.45186e-05 Jy/beam 2024-04-11 17:27:14 INFO imstat:::: -- Third quartile [q3]: 1.14894e-06 Jy/beam 2024-04-11 17:27:14 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:14 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:14 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:14 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:14 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:14 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:14 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 2024-04-11 17:27:14 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:13.722411 End time: 2024-04-11 17:27:13.739951 2024-04-11 17:27:14 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:14 INFO imstat::::casa ########################################## 2024-04-11 17:27:14 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:14 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:14 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 40.100000528deg' ) 2024-04-11 17:27:14 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:14 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:14 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:14 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:14 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:14 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:14 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:14 INFO MSTransformManager::open Select data 2024-04-11 17:27:14 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:27:14 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 5.209080451rad 40.100000528deg successfully parsed 2024-04-11 17:27:14 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:14 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:13.751586 End time: 2024-04-11 17:27:14.284831 2024-04-11 17:27:14 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:14 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:14 INFO tclean::::casa ########################################## 2024-04-11 17:27:14 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:14 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-04-11 17:27:14 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:14 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:14 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:14 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:14 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:14 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:14 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:14 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:14 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:14 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:14 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:15 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:15 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009388 2024-04-11 17:27:15 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:15 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:15 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:15 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:15 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:27:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:16 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:16 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:16 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:16 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:16 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:16 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:16 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:14.329280 End time: 2024-04-11 17:27:15.786369 2024-04-11 17:27:16 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:16 INFO tclean::::casa ########################################## 2024-04-11 17:27:16 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:16 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:16 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) 2024-04-11 17:27:16 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:16 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:16 2024****** 2024-04-11 17:27:16 INFO ImageFitter::fit+ 2024-04-11 17:27:16 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:16 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:16 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:16 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:16 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:16 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:16 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:16 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:16 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:16 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:16 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) 2024-04-11 17:27:16 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116882 Jy 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126496 Jy 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999998 +/- 0.000777 arcsec 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ --- ra: 127.999966 +/- 0.000127 pixels 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ --- dec: 128.000003 +/- 0.000097 pixels 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:16 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:16 INFO imstat::::casa ########################################## 2024-04-11 17:27:16 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:16 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 ) 2024-04-11 17:27:16 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:16 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:16 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:16 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:16 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:16 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) 2024-04-11 17:27:16 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:16 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:16 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:16 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:16 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:27:16 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:27:16 INFO imstat:::: Values --- 2024-04-11 17:27:16 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:16 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:16 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:16 INFO imstat:::: -- minimum value [min]: -7.77982e-05 Jy/beam 2024-04-11 17:27:16 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:16 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:27:16 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:16 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2024-04-11 17:27:16 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:16 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:16 INFO imstat:::: Statistics --- 2024-04-11 17:27:16 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:16 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:16 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:16 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:16 INFO imstat:::: -- Median of the pixel values [median]: -1.86711e-05 Jy/beam 2024-04-11 17:27:16 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73646e-05 Jy/beam 2024-04-11 17:27:16 INFO imstat:::: -- IQR [quartile]: 3.56367e-05 Jy/beam 2024-04-11 17:27:16 INFO imstat:::: -- First quartile [q1]: -3.45138e-05 Jy/beam 2024-04-11 17:27:16 INFO imstat:::: -- Third quartile [q3]: 1.12291e-06 Jy/beam 2024-04-11 17:27:16 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:16 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:16 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:16 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:16 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:16 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:16 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 2024-04-11 17:27:16 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:15.853860 End time: 2024-04-11 17:27:15.879905 2024-04-11 17:27:16 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:16 INFO imstat::::casa ########################################## 2024-04-11 17:27:16 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:16 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:16 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='ICRS 5.209080451rad 0.699877039rad' ) 2024-04-11 17:27:16 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:16 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:16 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:16 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:16 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:16 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:16 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:16 INFO MSTransformManager::open Select data 2024-04-11 17:27:16 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:27:16 INFO PhaseShiftingTVI::parseConfiguration Phase center ICRS 5.209080451rad 0.699877039rad successfully parsed 2024-04-11 17:27:16 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:16 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:15.896232 End time: 2024-04-11 17:27:16.335050 2024-04-11 17:27:16 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:16 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:16 INFO tclean::::casa ########################################## 2024-04-11 17:27:16 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:16 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-04-11 17:27:16 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:16 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:16 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:16 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:16 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:16 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:16 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:16 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:16 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:16 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:16 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:17 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:17 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009349 2024-04-11 17:27:17 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:17 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:17 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:17 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:17 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374443277716637, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852561634033918, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:27:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:18 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:18 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:18 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:18 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:18 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:18 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:18 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:16.361694 End time: 2024-04-11 17:27:17.751262 2024-04-11 17:27:18 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:18 INFO tclean::::casa ########################################## 2024-04-11 17:27:18 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:18 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:18 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) 2024-04-11 17:27:18 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:18 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:18 2024****** 2024-04-11 17:27:18 INFO ImageFitter::fit+ 2024-04-11 17:27:18 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:18 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:18 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:18 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:18 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:18 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:18 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:18 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:18 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:18 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:18 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) 2024-04-11 17:27:18 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116879 Jy 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126495 Jy 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999996 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ --- dec: +040.05.59.999992 +/- 0.000777 arcsec 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ --- ra: 127.999966 +/- 0.000127 pixels 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ --- dec: 128.000009 +/- 0.000097 pixels 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:18 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:18 INFO imstat::::casa ########################################## 2024-04-11 17:27:18 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:18 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 ) 2024-04-11 17:27:18 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:18 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:18 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:18 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:18 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:18 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) 2024-04-11 17:27:18 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:18 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:27:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:27:18 INFO imstat:::: Values --- 2024-04-11 17:27:18 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:18 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:18 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:18 INFO imstat:::: -- minimum value [min]: -7.77898e-05 Jy/beam 2024-04-11 17:27:18 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:18 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:27:18 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:18 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.660, I, 999981612.9Hz 2024-04-11 17:27:18 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:18 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:18 INFO imstat:::: Statistics --- 2024-04-11 17:27:18 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:18 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:18 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:18 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:18 INFO imstat:::: -- Median of the pixel values [median]: -1.86769e-05 Jy/beam 2024-04-11 17:27:18 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73662e-05 Jy/beam 2024-04-11 17:27:18 INFO imstat:::: -- IQR [quartile]: 3.5634e-05 Jy/beam 2024-04-11 17:27:18 INFO imstat:::: -- First quartile [q1]: -3.45153e-05 Jy/beam 2024-04-11 17:27:18 INFO imstat:::: -- Third quartile [q3]: 1.1187e-06 Jy/beam 2024-04-11 17:27:18 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:18 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:18 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:18 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:18 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:18 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:18 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 2024-04-11 17:27:18 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:17.787299 End time: 2024-04-11 17:27:17.804825 2024-04-11 17:27:18 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:18 INFO imstat::::casa ########################################## 2024-04-11 17:27:18 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:18 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:18 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 +006d21m09.7433' ) 2024-04-11 17:27:18 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:18 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:18 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:18 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:18 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:18 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:18 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:18 INFO MSTransformManager::open Select data 2024-04-11 17:27:18 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:27:18 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 05h00m21.5326 +006d21m09.7433 successfully parsed 2024-04-11 17:27:18 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:18 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:17.817219 End time: 2024-04-11 17:27:18.252454 2024-04-11 17:27:18 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:18 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:18 INFO tclean::::casa ########################################## 2024-04-11 17:27:18 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:18 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 ) 2024-04-11 17:27:18 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:18 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:18 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:18 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:18 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:18 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:18 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:18 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:18 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:18 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:18 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:19 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:19 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009227 2024-04-11 17:27:19 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:19 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:19 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:19 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:19 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:27:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:19 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:19 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:19 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:20 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:20 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:20 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:18.279670 End time: 2024-04-11 17:27:19.626438 2024-04-11 17:27:20 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:20 INFO tclean::::casa ########################################## 2024-04-11 17:27:20 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:20 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:20 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) 2024-04-11 17:27:20 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:20 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:20 2024****** 2024-04-11 17:27:20 INFO ImageFitter::fit+ 2024-04-11 17:27:20 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:20 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:20 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:20 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:20 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:20 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:20 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:20 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:20 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:20 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:20 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) 2024-04-11 17:27:20 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116868 Jy 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126484 Jy 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:20 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:20 INFO imstat::::casa ########################################## 2024-04-11 17:27:20 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:20 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 ) 2024-04-11 17:27:20 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:20 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:20 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:20 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:20 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:20 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) 2024-04-11 17:27:20 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:20 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:20 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:20 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:20 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:27:20 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:27:20 INFO imstat:::: Values --- 2024-04-11 17:27:20 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:20 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:20 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:20 INFO imstat:::: -- minimum value [min]: -7.77795e-05 Jy/beam 2024-04-11 17:27:20 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:20 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:27:20 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:20 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:27:20 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:20 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:20 INFO imstat:::: Statistics --- 2024-04-11 17:27:20 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:20 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:20 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:20 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:20 INFO imstat:::: -- Median of the pixel values [median]: -1.86702e-05 Jy/beam 2024-04-11 17:27:20 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73612e-05 Jy/beam 2024-04-11 17:27:20 INFO imstat:::: -- IQR [quartile]: 3.56029e-05 Jy/beam 2024-04-11 17:27:20 INFO imstat:::: -- First quartile [q1]: -3.45082e-05 Jy/beam 2024-04-11 17:27:20 INFO imstat:::: -- Third quartile [q3]: 1.09472e-06 Jy/beam 2024-04-11 17:27:20 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:20 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:20 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:20 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:20 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:20 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:20 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 2024-04-11 17:27:20 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:19.662409 End time: 2024-04-11 17:27:19.679709 2024-04-11 17:27:20 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:20 INFO imstat::::casa ########################################## 2024-04-11 17:27:20 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:20 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:20 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 00:25:24.6496' ) 2024-04-11 17:27:20 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:20 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:20 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:20 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:20 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:20 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:20 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:20 INFO MSTransformManager::open Select data 2024-04-11 17:27:20 INFO MSTransformManager::createOutputMSStructure Create output MS structure 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 ".". 2024-04-11 17:27:20 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 05h00m21.5326 00:25:24.6496 successfully parsed 2024-04-11 17:27:20 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:20 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:19.691277 End time: 2024-04-11 17:27:20.159926 2024-04-11 17:27:20 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:20 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:20 INFO tclean::::casa ########################################## 2024-04-11 17:27:20 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:20 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 ) 2024-04-11 17:27:20 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:20 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:20 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:20 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:20 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:20 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:20 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:20 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:20 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:20 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:20 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:20 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:20 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009598 2024-04-11 17:27:20 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:20 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:21 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:21 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:21 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:27:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:21 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:21 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:21 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:21 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:22 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:22 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:20.206602 End time: 2024-04-11 17:27:21.595206 2024-04-11 17:27:22 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:22 INFO tclean::::casa ########################################## 2024-04-11 17:27:22 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:22 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:22 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) 2024-04-11 17:27:22 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:22 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:22 2024****** 2024-04-11 17:27:22 INFO ImageFitter::fit+ 2024-04-11 17:27:22 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:22 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:22 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:22 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:22 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:22 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:22 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:22 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:22 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:22 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:22 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) 2024-04-11 17:27:22 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116907 Jy 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012652 Jy 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000038 +/- 0.000777 arcsec 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ --- ra: 127.999939 +/- 0.000127 pixels 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ --- dec: 127.999957 +/- 0.000097 pixels 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:22 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:22 INFO imstat::::casa ########################################## 2024-04-11 17:27:22 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:22 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 ) 2024-04-11 17:27:22 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:22 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:22 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:22 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:22 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:22 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) 2024-04-11 17:27:22 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:22 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:22 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:22 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:22 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2024-04-11 17:27:22 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2024-04-11 17:27:22 INFO imstat:::: Values --- 2024-04-11 17:27:22 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:22 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:22 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:22 INFO imstat:::: -- minimum value [min]: -7.78732e-05 Jy/beam 2024-04-11 17:27:22 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:22 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:27:22 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:22 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:27:22 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:22 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:22 INFO imstat:::: Statistics --- 2024-04-11 17:27:22 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:22 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:22 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:22 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:22 INFO imstat:::: -- Median of the pixel values [median]: -1.86516e-05 Jy/beam 2024-04-11 17:27:22 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73802e-05 Jy/beam 2024-04-11 17:27:22 INFO imstat:::: -- IQR [quartile]: 3.56959e-05 Jy/beam 2024-04-11 17:27:22 INFO imstat:::: -- First quartile [q1]: -3.45348e-05 Jy/beam 2024-04-11 17:27:22 INFO imstat:::: -- Third quartile [q3]: 1.16101e-06 Jy/beam 2024-04-11 17:27:22 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:22 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:22 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:22 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:22 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:22 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:22 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 2024-04-11 17:27:22 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:21.630401 End time: 2024-04-11 17:27:21.647760 2024-04-11 17:27:22 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:22 INFO imstat::::casa ########################################## 2024-04-11 17:27:22 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:22 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:22 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 6.352706472deg' ) 2024-04-11 17:27:22 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:22 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:22 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:22 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:22 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:22 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:22 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:22 INFO MSTransformManager::open Select data 2024-04-11 17:27:22 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:27:22 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 05h00m21.5326 6.352706472deg successfully parsed 2024-04-11 17:27:22 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:22 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:21.659310 End time: 2024-04-11 17:27:22.179574 2024-04-11 17:27:22 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:22 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:22 INFO tclean::::casa ########################################## 2024-04-11 17:27:22 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:22 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 ) 2024-04-11 17:27:22 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:22 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:22 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:22 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:22 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:22 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:22 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:22 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:22 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:22 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:22 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:22 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:22 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009472 2024-04-11 17:27:22 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:22 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:23 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:23 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:23 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:27:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:23 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:23 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:23 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:24 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:24 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:24 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:22.206390 End time: 2024-04-11 17:27:23.640095 2024-04-11 17:27:24 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:24 INFO tclean::::casa ########################################## 2024-04-11 17:27:24 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:24 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:24 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) 2024-04-11 17:27:24 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:24 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:24 2024****** 2024-04-11 17:27:24 INFO ImageFitter::fit+ 2024-04-11 17:27:24 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:24 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:24 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:24 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:24 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:24 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:24 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:24 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:24 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:24 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:24 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-04-11 17:27:24 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116872 Jy 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126486 Jy 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:24 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:24 INFO imstat::::casa ########################################## 2024-04-11 17:27:24 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:24 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 ) 2024-04-11 17:27:24 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:24 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:24 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:24 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:24 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:24 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) 2024-04-11 17:27:24 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:24 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:24 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:24 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:24 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:27:24 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:27:24 INFO imstat:::: Values --- 2024-04-11 17:27:24 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:24 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:24 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:24 INFO imstat:::: -- minimum value [min]: -7.7777e-05 Jy/beam 2024-04-11 17:27:24 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:24 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:27:24 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:24 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:27:24 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:24 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:24 INFO imstat:::: Statistics --- 2024-04-11 17:27:24 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:24 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:24 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:24 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:24 INFO imstat:::: -- Median of the pixel values [median]: -1.86705e-05 Jy/beam 2024-04-11 17:27:24 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7361e-05 Jy/beam 2024-04-11 17:27:24 INFO imstat:::: -- IQR [quartile]: 3.56027e-05 Jy/beam 2024-04-11 17:27:24 INFO imstat:::: -- First quartile [q1]: -3.45074e-05 Jy/beam 2024-04-11 17:27:24 INFO imstat:::: -- Third quartile [q3]: 1.09529e-06 Jy/beam 2024-04-11 17:27:24 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:24 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:24 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:24 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:24 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:24 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:24 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.777703e-05 4.999996e+00 2024-04-11 17:27:24 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:23.676152 End time: 2024-04-11 17:27:23.694273 2024-04-11 17:27:24 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:24 INFO imstat::::casa ########################################## 2024-04-11 17:27:24 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:24 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:24 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05h00m21.5326 0.110875644rad' ) 2024-04-11 17:27:24 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:24 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:24 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:24 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:24 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:24 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:24 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:24 INFO MSTransformManager::open Select data 2024-04-11 17:27:24 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:27:24 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 05h00m21.5326 0.110875644rad successfully parsed 2024-04-11 17:27:24 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:24 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:23.705831 End time: 2024-04-11 17:27:24.327090 2024-04-11 17:27:24 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:24 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:24 INFO tclean::::casa ########################################## 2024-04-11 17:27:24 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:24 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 ) 2024-04-11 17:27:24 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:24 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:24 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:24 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:24 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:24 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:24 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:24 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:24 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:24 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:24 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:25 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:25 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.00949 2024-04-11 17:27:25 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:25 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:25 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:25 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:25 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:27:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:26 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:26 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:26 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:26 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:26 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:26 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:24.353702 End time: 2024-04-11 17:27:25.812439 2024-04-11 17:27:26 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:26 INFO tclean::::casa ########################################## 2024-04-11 17:27:26 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:26 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:26 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-04-11 17:27:26 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:26 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:26 2024****** 2024-04-11 17:27:26 INFO ImageFitter::fit+ 2024-04-11 17:27:26 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:26 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:26 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:26 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:26 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:26 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:26 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:26 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:26 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:26 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:26 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-04-11 17:27:26 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ --- ra: 128.000012 +/- 0.000127 pixels 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:26 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:26 INFO imstat::::casa ########################################## 2024-04-11 17:27:26 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:26 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-04-11 17:27:26 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:26 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:26 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:26 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:26 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:26 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-04-11 17:27:26 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:26 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:26 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:26 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:26 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:27:26 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:27:26 INFO imstat:::: Values --- 2024-04-11 17:27:26 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:26 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:26 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:26 INFO imstat:::: -- minimum value [min]: -7.77849e-05 Jy/beam 2024-04-11 17:27:26 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:26 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-04-11 17:27:26 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:26 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2024-04-11 17:27:26 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:26 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:26 INFO imstat:::: Statistics --- 2024-04-11 17:27:26 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:26 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:26 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:26 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:26 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2024-04-11 17:27:26 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73549e-05 Jy/beam 2024-04-11 17:27:26 INFO imstat:::: -- IQR [quartile]: 3.56016e-05 Jy/beam 2024-04-11 17:27:26 INFO imstat:::: -- First quartile [q1]: -3.45087e-05 Jy/beam 2024-04-11 17:27:26 INFO imstat:::: -- Third quartile [q3]: 1.0929e-06 Jy/beam 2024-04-11 17:27:26 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:26 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:26 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:26 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:26 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:26 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:26 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 2024-04-11 17:27:26 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:25.848627 End time: 2024-04-11 17:27:25.865946 2024-04-11 17:27:26 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:26 INFO imstat::::casa ########################################## 2024-04-11 17:27:26 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:26 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:26 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 +006d21m09.7433' ) 2024-04-11 17:27:26 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:26 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:26 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:26 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:26 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:26 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:26 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:26 INFO MSTransformManager::open Select data 2024-04-11 17:27:26 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:27:26 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 05:00:21.5326 +006d21m09.7433 successfully parsed 2024-04-11 17:27:26 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:26 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:25.877534 End time: 2024-04-11 17:27:26.316652 2024-04-11 17:27:26 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:26 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:26 INFO tclean::::casa ########################################## 2024-04-11 17:27:26 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:26 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 ) 2024-04-11 17:27:26 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:26 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:26 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:26 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:26 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:26 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:26 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:26 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:26 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:26 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:26 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:27 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:27 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.00934 2024-04-11 17:27:27 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:27 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:27 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:27 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:27 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:27 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:27 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:27:27 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:27 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:27 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:28 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:28 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:28 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:28 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:28 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:28 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:28 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:26.343858 End time: 2024-04-11 17:27:27.781455 2024-04-11 17:27:28 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:28 INFO tclean::::casa ########################################## 2024-04-11 17:27:28 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:28 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:28 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) 2024-04-11 17:27:28 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:28 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:28 2024****** 2024-04-11 17:27:28 INFO ImageFitter::fit+ 2024-04-11 17:27:28 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:28 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:28 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:28 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:28 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:28 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:28 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:28 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:28 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:28 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:28 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) 2024-04-11 17:27:28 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116868 Jy 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126484 Jy 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:28 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:28 INFO imstat::::casa ########################################## 2024-04-11 17:27:28 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:28 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 ) 2024-04-11 17:27:28 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:28 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:28 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:28 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:28 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:28 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) 2024-04-11 17:27:28 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:28 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:28 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:28 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:28 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:27:28 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:27:28 INFO imstat:::: Values --- 2024-04-11 17:27:28 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:28 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:28 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:28 INFO imstat:::: -- minimum value [min]: -7.77795e-05 Jy/beam 2024-04-11 17:27:28 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:28 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:27:28 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:28 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:27:28 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:28 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:28 INFO imstat:::: Statistics --- 2024-04-11 17:27:28 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:28 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:28 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:28 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:28 INFO imstat:::: -- Median of the pixel values [median]: -1.86702e-05 Jy/beam 2024-04-11 17:27:28 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73612e-05 Jy/beam 2024-04-11 17:27:28 INFO imstat:::: -- IQR [quartile]: 3.56029e-05 Jy/beam 2024-04-11 17:27:28 INFO imstat:::: -- First quartile [q1]: -3.45082e-05 Jy/beam 2024-04-11 17:27:28 INFO imstat:::: -- Third quartile [q3]: 1.09472e-06 Jy/beam 2024-04-11 17:27:28 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:28 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:28 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:28 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:28 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:28 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:28 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 2024-04-11 17:27:28 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:27.817481 End time: 2024-04-11 17:27:27.834772 2024-04-11 17:27:28 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:28 INFO imstat::::casa ########################################## 2024-04-11 17:27:28 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:28 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:28 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 00:25:24.6496' ) 2024-04-11 17:27:28 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:28 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:28 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:28 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:28 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:28 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:28 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:28 INFO MSTransformManager::open Select data 2024-04-11 17:27:28 INFO MSTransformManager::createOutputMSStructure Create output MS structure 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 ".". 2024-04-11 17:27:28 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 05:00:21.5326 00:25:24.6496 successfully parsed 2024-04-11 17:27:28 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:28 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:27.846375 End time: 2024-04-11 17:27:28.269003 2024-04-11 17:27:28 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:28 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:28 INFO tclean::::casa ########################################## 2024-04-11 17:27:28 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:28 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 ) 2024-04-11 17:27:28 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:28 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:28 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:28 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:28 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:28 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:28 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:28 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:28 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:28 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:28 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:29 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:29 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009537 2024-04-11 17:27:29 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:29 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:29 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:29 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:29 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:29 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:29 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:29 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:29 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:29 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:29 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:29 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:30 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:30 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:27:30 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:30 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:30 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:30 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:30 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:30 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:30 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:30 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:30 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:30 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:28.295459 End time: 2024-04-11 17:27:30.077580 2024-04-11 17:27:30 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:30 INFO tclean::::casa ########################################## 2024-04-11 17:27:30 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:30 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:30 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) 2024-04-11 17:27:30 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:30 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:30 2024****** 2024-04-11 17:27:30 INFO ImageFitter::fit+ 2024-04-11 17:27:30 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:30 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:30 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:30 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:30 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:30 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:30 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:30 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:30 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:30 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:30 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) 2024-04-11 17:27:30 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116907 Jy 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012652 Jy 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000038 +/- 0.000777 arcsec 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ --- ra: 127.999939 +/- 0.000127 pixels 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ --- dec: 127.999957 +/- 0.000097 pixels 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:30 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:30 INFO imstat::::casa ########################################## 2024-04-11 17:27:30 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:30 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 ) 2024-04-11 17:27:30 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:30 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:30 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:30 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:30 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:30 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) 2024-04-11 17:27:30 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:30 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:30 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:30 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:30 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2024-04-11 17:27:30 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2024-04-11 17:27:30 INFO imstat:::: Values --- 2024-04-11 17:27:30 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:30 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:30 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:30 INFO imstat:::: -- minimum value [min]: -7.78732e-05 Jy/beam 2024-04-11 17:27:30 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:30 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:27:30 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:30 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:27:30 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:30 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:30 INFO imstat:::: Statistics --- 2024-04-11 17:27:30 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:30 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:30 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:30 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:30 INFO imstat:::: -- Median of the pixel values [median]: -1.86516e-05 Jy/beam 2024-04-11 17:27:30 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73802e-05 Jy/beam 2024-04-11 17:27:30 INFO imstat:::: -- IQR [quartile]: 3.56959e-05 Jy/beam 2024-04-11 17:27:30 INFO imstat:::: -- First quartile [q1]: -3.45348e-05 Jy/beam 2024-04-11 17:27:30 INFO imstat:::: -- Third quartile [q3]: 1.16101e-06 Jy/beam 2024-04-11 17:27:30 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:30 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:30 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:30 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:30 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:30 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:30 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 2024-04-11 17:27:30 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:30.137916 End time: 2024-04-11 17:27:30.162268 2024-04-11 17:27:30 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:30 INFO imstat::::casa ########################################## 2024-04-11 17:27:30 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:30 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:30 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 6.352706472deg' ) 2024-04-11 17:27:30 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:30 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:30 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:30 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:30 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:30 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:30 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:30 INFO MSTransformManager::open Select data 2024-04-11 17:27:30 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:27:30 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 05:00:21.5326 6.352706472deg successfully parsed 2024-04-11 17:27:30 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:31 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:30.177954 End time: 2024-04-11 17:27:30.617539 2024-04-11 17:27:31 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:31 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:31 INFO tclean::::casa ########################################## 2024-04-11 17:27:31 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:31 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-04-11 17:27:31 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:31 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:31 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:31 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:31 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:31 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:31 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:31 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:31 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:31 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:31 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:31 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:31 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009539 2024-04-11 17:27:31 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:31 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:31 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:31 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:31 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:31 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:31 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:31 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:31 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:31 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:31 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:32 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:32 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:32 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:32 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:32 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:32 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:27:32 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:32 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:32 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:32 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:32 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:32 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:32 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:32 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:32 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:32 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:30.643841 End time: 2024-04-11 17:27:32.140332 2024-04-11 17:27:32 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:32 INFO tclean::::casa ########################################## 2024-04-11 17:27:32 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:32 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:32 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) 2024-04-11 17:27:32 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:32 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:32 2024****** 2024-04-11 17:27:32 INFO ImageFitter::fit+ 2024-04-11 17:27:32 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:32 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:32 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:32 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:32 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:32 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:32 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:32 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:32 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:32 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:32 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-04-11 17:27:32 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116872 Jy 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126486 Jy 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:32 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:32 INFO imstat::::casa ########################################## 2024-04-11 17:27:32 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:32 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 ) 2024-04-11 17:27:32 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:32 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:32 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:32 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:32 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:32 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) 2024-04-11 17:27:32 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:32 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:32 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:32 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:32 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:27:32 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:27:32 INFO imstat:::: Values --- 2024-04-11 17:27:32 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:32 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:32 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:32 INFO imstat:::: -- minimum value [min]: -7.7777e-05 Jy/beam 2024-04-11 17:27:32 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:32 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:27:32 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:32 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:27:32 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:32 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:32 INFO imstat:::: Statistics --- 2024-04-11 17:27:32 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:32 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:32 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:32 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:32 INFO imstat:::: -- Median of the pixel values [median]: -1.86705e-05 Jy/beam 2024-04-11 17:27:32 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.7361e-05 Jy/beam 2024-04-11 17:27:32 INFO imstat:::: -- IQR [quartile]: 3.56027e-05 Jy/beam 2024-04-11 17:27:32 INFO imstat:::: -- First quartile [q1]: -3.45074e-05 Jy/beam 2024-04-11 17:27:32 INFO imstat:::: -- Third quartile [q3]: 1.09529e-06 Jy/beam 2024-04-11 17:27:32 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:32 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:32 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:32 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:32 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:32 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:32 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 2024-04-11 17:27:32 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:32.216324 End time: 2024-04-11 17:27:32.245855 2024-04-11 17:27:32 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:32 INFO imstat::::casa ########################################## 2024-04-11 17:27:32 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:32 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:32 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 05:00:21.5326 0.110875644rad' ) 2024-04-11 17:27:32 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:32 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:32 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:32 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:32 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:32 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:32 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:32 INFO MSTransformManager::open Select data 2024-04-11 17:27:32 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:27:33 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 05:00:21.5326 0.110875644rad successfully parsed 2024-04-11 17:27:33 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:33 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:32.264261 End time: 2024-04-11 17:27:32.776548 2024-04-11 17:27:33 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:33 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:33 INFO tclean::::casa ########################################## 2024-04-11 17:27:33 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:33 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 ) 2024-04-11 17:27:33 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:33 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:33 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:33 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:33 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:33 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:33 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:33 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:33 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:33 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:33 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:33 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:33 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009568 2024-04-11 17:27:33 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:33 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:33 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:33 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:33 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:33 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:33 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:33 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:33 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:34 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:34 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:34 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:34 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:27:34 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:34 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:34 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:34 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:34 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:34 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:34 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:34 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:34 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:34 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:32.825209 End time: 2024-04-11 17:27:34.420564 2024-04-11 17:27:34 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:34 INFO tclean::::casa ########################################## 2024-04-11 17:27:34 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:34 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:34 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-04-11 17:27:34 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:34 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:34 2024****** 2024-04-11 17:27:34 INFO ImageFitter::fit+ 2024-04-11 17:27:34 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:34 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:34 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:34 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:34 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:34 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:34 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:34 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:34 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:34 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:34 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-04-11 17:27:34 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ --- ra: 128.000012 +/- 0.000127 pixels 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:34 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:34 INFO imstat::::casa ########################################## 2024-04-11 17:27:34 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:34 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-04-11 17:27:34 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:34 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:34 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:34 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:34 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:34 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-04-11 17:27:34 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:34 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:34 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:34 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:34 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:27:34 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:27:34 INFO imstat:::: Values --- 2024-04-11 17:27:34 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:34 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:34 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:34 INFO imstat:::: -- minimum value [min]: -7.77849e-05 Jy/beam 2024-04-11 17:27:34 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:34 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-04-11 17:27:34 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:34 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2024-04-11 17:27:34 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:34 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:34 INFO imstat:::: Statistics --- 2024-04-11 17:27:34 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:34 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:34 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:34 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:34 INFO imstat:::: -- Median of the pixel values [median]: -1.86722e-05 Jy/beam 2024-04-11 17:27:34 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73549e-05 Jy/beam 2024-04-11 17:27:34 INFO imstat:::: -- IQR [quartile]: 3.56016e-05 Jy/beam 2024-04-11 17:27:34 INFO imstat:::: -- First quartile [q1]: -3.45087e-05 Jy/beam 2024-04-11 17:27:34 INFO imstat:::: -- Third quartile [q3]: 1.0929e-06 Jy/beam 2024-04-11 17:27:34 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:34 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:34 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:34 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:34 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:34 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:34 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778491e-05 4.999996e+00 2024-04-11 17:27:34 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:34.456314 End time: 2024-04-11 17:27:34.473712 2024-04-11 17:27:34 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:34 INFO imstat::::casa ########################################## 2024-04-11 17:27:34 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:34 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:34 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg +006d21m09.7433' ) 2024-04-11 17:27:34 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:34 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:34 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:34 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:35 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:35 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:35 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:35 INFO MSTransformManager::open Select data 2024-04-11 17:27:35 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:27:35 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 75.089719167deg +006d21m09.7433 successfully parsed 2024-04-11 17:27:35 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:35 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:34.485376 End time: 2024-04-11 17:27:34.944445 2024-04-11 17:27:35 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:35 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:35 INFO tclean::::casa ########################################## 2024-04-11 17:27:35 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:35 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 ) 2024-04-11 17:27:35 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:35 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:35 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:35 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:35 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:35 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:35 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:35 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:35 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:35 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:35 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:35 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:35 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.017375 2024-04-11 17:27:35 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:35 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:35 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:36 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:36 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:36 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:36 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:36 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:36 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:36 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:27:36 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:36 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:36 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:36 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:36 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:36 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:36 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:36 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:37 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:37 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:34.970980 End time: 2024-04-11 17:27:36.611849 2024-04-11 17:27:37 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:37 INFO tclean::::casa ########################################## 2024-04-11 17:27:37 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:37 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:37 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) 2024-04-11 17:27:37 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:37 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:37 2024****** 2024-04-11 17:27:37 INFO ImageFitter::fit+ 2024-04-11 17:27:37 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:37 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:37 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:37 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:37 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:37 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:37 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:37 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:37 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:37 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:37 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) 2024-04-11 17:27:37 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116867 Jy 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126483 Jy 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ --- dec: 127.999996 +/- 0.000097 pixels 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:37 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:37 INFO imstat::::casa ########################################## 2024-04-11 17:27:37 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:37 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 ) 2024-04-11 17:27:37 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:37 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:37 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:37 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:37 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:37 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) 2024-04-11 17:27:37 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:37 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:37 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:37 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:37 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:27:37 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:27:37 INFO imstat:::: Values --- 2024-04-11 17:27:37 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:37 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:37 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:37 INFO imstat:::: -- minimum value [min]: -7.77768e-05 Jy/beam 2024-04-11 17:27:37 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:37 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:27:37 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:37 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:27:37 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:37 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:37 INFO imstat:::: Statistics --- 2024-04-11 17:27:37 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:37 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:37 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:37 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:37 INFO imstat:::: -- Median of the pixel values [median]: -1.86705e-05 Jy/beam 2024-04-11 17:27:37 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73609e-05 Jy/beam 2024-04-11 17:27:37 INFO imstat:::: -- IQR [quartile]: 3.56013e-05 Jy/beam 2024-04-11 17:27:37 INFO imstat:::: -- First quartile [q1]: -3.4507e-05 Jy/beam 2024-04-11 17:27:37 INFO imstat:::: -- Third quartile [q3]: 1.09435e-06 Jy/beam 2024-04-11 17:27:37 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:37 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:37 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:37 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:37 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:37 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:37 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 2024-04-11 17:27:37 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:36.647699 End time: 2024-04-11 17:27:36.665555 2024-04-11 17:27:37 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:37 INFO imstat::::casa ########################################## 2024-04-11 17:27:37 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:37 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:37 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg 00:25:24.6496' ) 2024-04-11 17:27:37 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:37 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:37 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:37 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:37 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:37 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:37 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:37 INFO MSTransformManager::open Select data 2024-04-11 17:27:37 INFO MSTransformManager::createOutputMSStructure Create output MS structure 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 ".". 2024-04-11 17:27:37 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 75.089719167deg 00:25:24.6496 successfully parsed 2024-04-11 17:27:37 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:37 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:36.677600 End time: 2024-04-11 17:27:37.220197 2024-04-11 17:27:37 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:37 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:37 INFO tclean::::casa ########################################## 2024-04-11 17:27:37 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:37 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 ) 2024-04-11 17:27:37 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:37 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:37 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:37 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:37 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:37 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:37 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:37 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:37 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:37 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:37 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:38 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:38 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009872 2024-04-11 17:27:38 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:38 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:38 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:38 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:38 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:38 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:38 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:38 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:38 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:38 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:38 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:38 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:38 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:27:38 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:38 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:38 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:39 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:39 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:39 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:39 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:39 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:39 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:39 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:37.271129 End time: 2024-04-11 17:27:38.666498 2024-04-11 17:27:39 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:39 INFO tclean::::casa ########################################## 2024-04-11 17:27:39 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:39 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:39 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) 2024-04-11 17:27:39 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:39 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:39 2024****** 2024-04-11 17:27:39 INFO ImageFitter::fit+ 2024-04-11 17:27:39 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:39 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:39 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:39 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:39 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:39 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:39 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:39 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:39 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:39 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:39 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) 2024-04-11 17:27:39 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116903 Jy 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126517 Jy 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000038 +/- 0.000777 arcsec 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ --- ra: 127.999939 +/- 0.000127 pixels 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ --- dec: 127.999957 +/- 0.000097 pixels 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:39 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:39 INFO imstat::::casa ########################################## 2024-04-11 17:27:39 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:39 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 ) 2024-04-11 17:27:39 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:39 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:39 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:39 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:39 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:39 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz) 2024-04-11 17:27:39 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:39 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:39 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:39 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:39 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2024-04-11 17:27:39 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2024-04-11 17:27:39 INFO imstat:::: Values --- 2024-04-11 17:27:39 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:39 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:39 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:39 INFO imstat:::: -- minimum value [min]: -7.78731e-05 Jy/beam 2024-04-11 17:27:39 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:39 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:27:39 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:39 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:27:39 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:39 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:39 INFO imstat:::: Statistics --- 2024-04-11 17:27:39 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:39 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:39 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:39 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:39 INFO imstat:::: -- Median of the pixel values [median]: -1.86503e-05 Jy/beam 2024-04-11 17:27:39 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73798e-05 Jy/beam 2024-04-11 17:27:39 INFO imstat:::: -- IQR [quartile]: 3.56966e-05 Jy/beam 2024-04-11 17:27:39 INFO imstat:::: -- First quartile [q1]: -3.45352e-05 Jy/beam 2024-04-11 17:27:39 INFO imstat:::: -- Third quartile [q3]: 1.16146e-06 Jy/beam 2024-04-11 17:27:39 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:39 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:39 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:39 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:39 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:39 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:39 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 2024-04-11 17:27:39 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:38.702840 End time: 2024-04-11 17:27:38.720973 2024-04-11 17:27:39 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:39 INFO imstat::::casa ########################################## 2024-04-11 17:27:39 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:39 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:39 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg 6.352706472deg' ) 2024-04-11 17:27:39 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:39 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:39 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:39 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:39 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:39 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:39 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:39 INFO MSTransformManager::open Select data 2024-04-11 17:27:39 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:27:39 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 75.089719167deg 6.352706472deg successfully parsed 2024-04-11 17:27:39 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:39 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:38.732701 End time: 2024-04-11 17:27:39.226784 2024-04-11 17:27:39 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:39 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:39 INFO tclean::::casa ########################################## 2024-04-11 17:27:39 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:39 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 ) 2024-04-11 17:27:39 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:39 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:39 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:39 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:39 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:39 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:39 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:39 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:39 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:39 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:39 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:40 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:40 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009325 2024-04-11 17:27:40 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:40 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:40 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:40 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:40 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:40 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:40 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:40 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:40 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:40 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:40 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:40 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:40 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:27:40 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:40 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:40 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:41 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:41 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:41 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:41 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:41 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:41 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:41 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:39.281617 End time: 2024-04-11 17:27:40.742465 2024-04-11 17:27:41 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:41 INFO tclean::::casa ########################################## 2024-04-11 17:27:41 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:41 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:41 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) 2024-04-11 17:27:41 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:41 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:41 2024****** 2024-04-11 17:27:41 INFO ImageFitter::fit+ 2024-04-11 17:27:41 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:41 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:41 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:41 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:41 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:41 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:41 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:41 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:41 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:41 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:41 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) 2024-04-11 17:27:41 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.00011687 Jy 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ --- ra: 128.000005 +/- 0.000127 pixels 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ --- dec: 127.999996 +/- 0.000097 pixels 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:41 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:41 INFO imstat::::casa ########################################## 2024-04-11 17:27:41 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:41 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 ) 2024-04-11 17:27:41 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:41 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:41 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:41 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:41 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:41 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) 2024-04-11 17:27:41 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:41 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:41 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:41 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:41 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:27:41 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:27:41 INFO imstat:::: Values --- 2024-04-11 17:27:41 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:41 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:41 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:41 INFO imstat:::: -- minimum value [min]: -7.77771e-05 Jy/beam 2024-04-11 17:27:41 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:41 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:27:41 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:41 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:27:41 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:41 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:41 INFO imstat:::: Statistics --- 2024-04-11 17:27:41 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:41 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:41 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:41 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:41 INFO imstat:::: -- Median of the pixel values [median]: -1.86715e-05 Jy/beam 2024-04-11 17:27:41 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73619e-05 Jy/beam 2024-04-11 17:27:41 INFO imstat:::: -- IQR [quartile]: 3.56021e-05 Jy/beam 2024-04-11 17:27:41 INFO imstat:::: -- First quartile [q1]: -3.45061e-05 Jy/beam 2024-04-11 17:27:41 INFO imstat:::: -- Third quartile [q3]: 1.09605e-06 Jy/beam 2024-04-11 17:27:41 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:41 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:41 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:41 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:41 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:41 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:41 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 2024-04-11 17:27:41 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:40.779598 End time: 2024-04-11 17:27:40.798597 2024-04-11 17:27:41 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:41 INFO imstat::::casa ########################################## 2024-04-11 17:27:41 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:41 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:41 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 75.089719167deg 0.110875644rad' ) 2024-04-11 17:27:41 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:41 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:41 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:41 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:41 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:41 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:41 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:41 INFO MSTransformManager::open Select data 2024-04-11 17:27:41 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:27:41 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 75.089719167deg 0.110875644rad successfully parsed 2024-04-11 17:27:41 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:41 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:40.810560 End time: 2024-04-11 17:27:41.341616 2024-04-11 17:27:41 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:41 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:41 INFO tclean::::casa ########################################## 2024-04-11 17:27:41 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:41 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 ) 2024-04-11 17:27:41 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:41 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:41 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:41 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:41 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:41 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:41 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:41 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:41 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:41 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:41 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:42 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:42 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.016809 2024-04-11 17:27:42 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:42 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:42 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:42 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:42 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:42 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:42 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:42 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:42 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:42 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:42 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:42 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:42 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:42 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:43 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:27:43 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:43 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:43 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:43 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:43 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:43 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:43 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:43 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:43 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:43 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:41.368314 End time: 2024-04-11 17:27:43.023251 2024-04-11 17:27:43 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:43 INFO tclean::::casa ########################################## 2024-04-11 17:27:43 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:43 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:43 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) 2024-04-11 17:27:43 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:43 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:43 2024****** 2024-04-11 17:27:43 INFO ImageFitter::fit+ 2024-04-11 17:27:43 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:43 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:43 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:43 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:43 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:43 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:43 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:43 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:43 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:43 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:43 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) 2024-04-11 17:27:43 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116868 Jy 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126482 Jy 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000000 +/- 0.000777 arcsec 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ --- ra: 128.000012 +/- 0.000127 pixels 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ --- dec: 128.000001 +/- 0.000097 pixels 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:43 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:43 INFO imstat::::casa ########################################## 2024-04-11 17:27:43 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:43 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 ) 2024-04-11 17:27:43 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:43 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:43 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:43 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:43 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:43 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) 2024-04-11 17:27:43 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:43 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:43 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:43 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:43 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:27:43 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:27:43 INFO imstat:::: Values --- 2024-04-11 17:27:43 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:43 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:43 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:43 INFO imstat:::: -- minimum value [min]: -7.77855e-05 Jy/beam 2024-04-11 17:27:43 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:43 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-04-11 17:27:43 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:43 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2024-04-11 17:27:43 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:43 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:43 INFO imstat:::: Statistics --- 2024-04-11 17:27:43 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:43 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:43 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:43 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:43 INFO imstat:::: -- Median of the pixel values [median]: -1.86732e-05 Jy/beam 2024-04-11 17:27:43 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73562e-05 Jy/beam 2024-04-11 17:27:43 INFO imstat:::: -- IQR [quartile]: 3.56008e-05 Jy/beam 2024-04-11 17:27:43 INFO imstat:::: -- First quartile [q1]: -3.45107e-05 Jy/beam 2024-04-11 17:27:43 INFO imstat:::: -- Third quartile [q3]: 1.09015e-06 Jy/beam 2024-04-11 17:27:43 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:43 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:43 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:43 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:43 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:43 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:43 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 2024-04-11 17:27:43 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:43.076714 End time: 2024-04-11 17:27:43.098388 2024-04-11 17:27:43 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:43 INFO imstat::::casa ########################################## 2024-04-11 17:27:43 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:43 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:43 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad +006d21m09.7433' ) 2024-04-11 17:27:43 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:43 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:43 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:43 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:43 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:43 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:43 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:43 INFO MSTransformManager::open Select data 2024-04-11 17:27:43 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:27:43 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 1.310562834rad +006d21m09.7433 successfully parsed 2024-04-11 17:27:43 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:44 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:43.110363 End time: 2024-04-11 17:27:43.529021 2024-04-11 17:27:44 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:44 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:44 INFO tclean::::casa ########################################## 2024-04-11 17:27:44 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:44 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 ) 2024-04-11 17:27:44 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:44 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:44 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:44 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:44 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:44 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:44 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:44 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:44 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:44 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:44 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:44 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:44 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009641 2024-04-11 17:27:44 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:44 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:44 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:44 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:44 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:44 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:44 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:44 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:44 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:44 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:44 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:45 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:27:45 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:45 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:45 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:45 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:45 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:45 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:45 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:45 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:45 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:45 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:43.555545 End time: 2024-04-11 17:27:45.061626 2024-04-11 17:27:45 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:45 INFO tclean::::casa ########################################## 2024-04-11 17:27:45 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:45 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:45 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-04-11 17:27:45 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:45 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:45 2024****** 2024-04-11 17:27:45 INFO ImageFitter::fit+ 2024-04-11 17:27:45 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:45 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:45 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:45 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:45 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:45 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:45 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:45 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:45 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:45 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:45 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-04-11 17:27:45 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116872 Jy 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000006 +/- 0.000777 arcsec 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ --- ra: 128.000007 +/- 0.000127 pixels 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ --- dec: 127.999994 +/- 0.000097 pixels 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:45 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:45 INFO imstat::::casa ########################################## 2024-04-11 17:27:45 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:45 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 ) 2024-04-11 17:27:45 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:45 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:45 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:45 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:45 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:45 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) 2024-04-11 17:27:45 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:45 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:45 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:45 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:45 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:27:45 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:27:45 INFO imstat:::: Values --- 2024-04-11 17:27:45 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:45 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:45 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:45 INFO imstat:::: -- minimum value [min]: -7.77801e-05 Jy/beam 2024-04-11 17:27:45 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:45 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:27:45 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:45 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:27:45 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:45 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:45 INFO imstat:::: Statistics --- 2024-04-11 17:27:45 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:45 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:45 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:45 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:45 INFO imstat:::: -- Median of the pixel values [median]: -1.86669e-05 Jy/beam 2024-04-11 17:27:45 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73635e-05 Jy/beam 2024-04-11 17:27:45 INFO imstat:::: -- IQR [quartile]: 3.56081e-05 Jy/beam 2024-04-11 17:27:45 INFO imstat:::: -- First quartile [q1]: -3.45085e-05 Jy/beam 2024-04-11 17:27:45 INFO imstat:::: -- Third quartile [q3]: 1.09959e-06 Jy/beam 2024-04-11 17:27:45 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:45 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:45 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:45 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:45 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:45 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:45 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 2024-04-11 17:27:45 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:45.104407 End time: 2024-04-11 17:27:45.122851 2024-04-11 17:27:45 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:45 INFO imstat::::casa ########################################## 2024-04-11 17:27:45 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:45 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:45 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad 00:25:24.6496' ) 2024-04-11 17:27:45 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:45 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:45 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:45 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:45 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:45 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:45 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:45 INFO MSTransformManager::open Select data 2024-04-11 17:27:45 INFO MSTransformManager::createOutputMSStructure Create output MS structure 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 ".". 2024-04-11 17:27:45 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 1.310562834rad 00:25:24.6496 successfully parsed 2024-04-11 17:27:45 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:46 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:45.134665 End time: 2024-04-11 17:27:45.687853 2024-04-11 17:27:46 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:46 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:46 INFO tclean::::casa ########################################## 2024-04-11 17:27:46 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:46 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-04-11 17:27:46 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:46 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:46 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:46 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:46 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:46 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:46 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:46 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:46 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:46 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:46 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:46 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:46 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009347 2024-04-11 17:27:46 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:46 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:46 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:46 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:46 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:46 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:46 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:46 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:46 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:46 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:47 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:27:47 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:47 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:47 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:47 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:47 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:47 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:47 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:47 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:47 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:47 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:45.715408 End time: 2024-04-11 17:27:47.407168 2024-04-11 17:27:47 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:47 INFO tclean::::casa ########################################## 2024-04-11 17:27:47 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:47 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:47 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-04-11 17:27:47 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:47 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:47 2024****** 2024-04-11 17:27:47 INFO ImageFitter::fit+ 2024-04-11 17:27:47 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:47 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:47 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:47 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:47 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:47 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:47 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:47 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:47 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:47 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:47 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-04-11 17:27:47 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116905 Jy 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.00012652 Jy 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999994 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000041 +/- 0.000777 arcsec 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ --- ra: 127.999941 +/- 0.000127 pixels 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ --- dec: 127.999954 +/- 0.000097 pixels 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:47 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:47 INFO imstat::::casa ########################################## 2024-04-11 17:27:47 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:47 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-04-11 17:27:47 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:47 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:47 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:47 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:47 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:47 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) 2024-04-11 17:27:47 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:47 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:47 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:47 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:47 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2024-04-11 17:27:47 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2024-04-11 17:27:48 INFO imstat:::: Values --- 2024-04-11 17:27:48 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:48 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:48 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:48 INFO imstat:::: -- minimum value [min]: -7.78774e-05 Jy/beam 2024-04-11 17:27:48 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:48 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:27:48 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:48 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:27:48 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:48 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:48 INFO imstat:::: Statistics --- 2024-04-11 17:27:48 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:48 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:48 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:48 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:48 INFO imstat:::: -- Median of the pixel values [median]: -1.86532e-05 Jy/beam 2024-04-11 17:27:48 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73779e-05 Jy/beam 2024-04-11 17:27:48 INFO imstat:::: -- IQR [quartile]: 3.5701e-05 Jy/beam 2024-04-11 17:27:48 INFO imstat:::: -- First quartile [q1]: -3.45356e-05 Jy/beam 2024-04-11 17:27:48 INFO imstat:::: -- Third quartile [q3]: 1.16544e-06 Jy/beam 2024-04-11 17:27:48 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:48 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:48 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:48 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:48 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:48 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:48 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 2024-04-11 17:27:48 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:47.479625 End time: 2024-04-11 17:27:47.508833 2024-04-11 17:27:48 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:48 INFO imstat::::casa ########################################## 2024-04-11 17:27:48 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:48 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:48 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='GALACTIC 1.310562834rad 6.352706472deg' ) 2024-04-11 17:27:48 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:48 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:48 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:48 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:48 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:48 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:48 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:48 INFO MSTransformManager::open Select data 2024-04-11 17:27:48 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:27:48 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 1.310562834rad 6.352706472deg successfully parsed 2024-04-11 17:27:48 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:48 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:47.526194 End time: 2024-04-11 17:27:48.115174 2024-04-11 17:27:48 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:48 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:48 INFO tclean::::casa ########################################## 2024-04-11 17:27:48 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:48 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 ) 2024-04-11 17:27:48 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:48 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:48 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:48 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:48 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:48 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:48 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:48 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:48 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:48 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:48 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:48 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:48 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009434 2024-04-11 17:27:48 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:48 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:49 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:49 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:49 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:49 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:49 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:49 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:49 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:49 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:49 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:49 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:49 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:27:49 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:49 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:49 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:50 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:50 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:50 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:50 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:50 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:50 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:50 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:48.159492 End time: 2024-04-11 17:27:49.832219 2024-04-11 17:27:50 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:50 INFO tclean::::casa ########################################## 2024-04-11 17:27:50 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:50 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:50 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) 2024-04-11 17:27:50 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:50 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:50 2024****** 2024-04-11 17:27:50 INFO ImageFitter::fit+ 2024-04-11 17:27:50 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:50 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:50 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:50 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:50 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:50 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:50 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:50 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:50 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:50 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:50 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) 2024-04-11 17:27:50 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116868 Jy 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000006 +/- 0.000777 arcsec 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ --- ra: 128.000007 +/- 0.000127 pixels 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ --- dec: 127.999994 +/- 0.000097 pixels 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:50 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:50 INFO imstat::::casa ########################################## 2024-04-11 17:27:50 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:50 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 ) 2024-04-11 17:27:50 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:50 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:50 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:50 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:50 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:50 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) 2024-04-11 17:27:50 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:50 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:50 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:50 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:50 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:27:50 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:27:50 INFO imstat:::: Values --- 2024-04-11 17:27:50 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:50 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:50 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:50 INFO imstat:::: -- minimum value [min]: -7.77798e-05 Jy/beam 2024-04-11 17:27:50 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:50 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:27:50 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:50 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:27:50 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:50 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:50 INFO imstat:::: Statistics --- 2024-04-11 17:27:50 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:50 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:50 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:50 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:50 INFO imstat:::: -- Median of the pixel values [median]: -1.86675e-05 Jy/beam 2024-04-11 17:27:50 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73645e-05 Jy/beam 2024-04-11 17:27:50 INFO imstat:::: -- IQR [quartile]: 3.56077e-05 Jy/beam 2024-04-11 17:27:50 INFO imstat:::: -- First quartile [q1]: -3.45073e-05 Jy/beam 2024-04-11 17:27:50 INFO imstat:::: -- Third quartile [q3]: 1.1004e-06 Jy/beam 2024-04-11 17:27:50 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:50 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:50 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:50 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:50 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:50 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:50 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 2024-04-11 17:27:50 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:49.878077 End time: 2024-04-11 17:27:49.896118 2024-04-11 17:27:50 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:50 INFO imstat::::casa ########################################## 2024-04-11 17:27:50 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:50 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:50 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 1.310562834rad 0.110875644rad' ) 2024-04-11 17:27:50 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:50 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:50 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:50 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:50 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:50 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:50 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:50 INFO MSTransformManager::open Select data 2024-04-11 17:27:50 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:27:50 INFO PhaseShiftingTVI::parseConfiguration Phase center GALACTIC 1.310562834rad 0.110875644rad successfully parsed 2024-04-11 17:27:50 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:50 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:49.907627 End time: 2024-04-11 17:27:50.341978 2024-04-11 17:27:50 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:50 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:50 INFO tclean::::casa ########################################## 2024-04-11 17:27:50 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:50 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 ) 2024-04-11 17:27:50 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:50 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:50 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:50 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:50 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:50 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:50 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:50 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:50 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:50 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:50 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:51 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:51 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.00956 2024-04-11 17:27:51 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:51 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:51 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:51 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:51 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:51 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:51 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:51 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:51 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:51 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:27:51 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:51 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:51 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:52 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:52 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:52 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:52 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:52 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:52 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:52 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:50.368605 End time: 2024-04-11 17:27:51.761294 2024-04-11 17:27:52 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:52 INFO tclean::::casa ########################################## 2024-04-11 17:27:52 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:52 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:52 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) 2024-04-11 17:27:52 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:52 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:52 2024****** 2024-04-11 17:27:52 INFO ImageFitter::fit+ 2024-04-11 17:27:52 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:52 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:52 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:52 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:52 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:52 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:52 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:52 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:52 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:52 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:52 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) 2024-04-11 17:27:52 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126484 Jy 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000002 +/- 0.000777 arcsec 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ --- ra: 128.000014 +/- 0.000127 pixels 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ --- dec: 127.999998 +/- 0.000097 pixels 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:52 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:52 INFO imstat::::casa ########################################## 2024-04-11 17:27:52 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:52 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 ) 2024-04-11 17:27:52 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:52 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:52 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:52 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:52 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:52 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) 2024-04-11 17:27:52 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:52 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:52 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:52 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:52 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:27:52 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:27:52 INFO imstat:::: Values --- 2024-04-11 17:27:52 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:52 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:52 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:52 INFO imstat:::: -- minimum value [min]: -7.77816e-05 Jy/beam 2024-04-11 17:27:52 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:52 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-04-11 17:27:52 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:52 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2024-04-11 17:27:52 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:52 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:52 INFO imstat:::: Statistics --- 2024-04-11 17:27:52 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:52 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:52 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:52 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:52 INFO imstat:::: -- Median of the pixel values [median]: -1.8676e-05 Jy/beam 2024-04-11 17:27:52 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73584e-05 Jy/beam 2024-04-11 17:27:52 INFO imstat:::: -- IQR [quartile]: 3.56038e-05 Jy/beam 2024-04-11 17:27:52 INFO imstat:::: -- First quartile [q1]: -3.45104e-05 Jy/beam 2024-04-11 17:27:52 INFO imstat:::: -- Third quartile [q3]: 1.09331e-06 Jy/beam 2024-04-11 17:27:52 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:52 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:52 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:52 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:52 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:52 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:52 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778164e-05 4.999996e+00 2024-04-11 17:27:52 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:51.799303 End time: 2024-04-11 17:27:51.818387 2024-04-11 17:27:52 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:52 INFO imstat::::casa ########################################## 2024-04-11 17:27:52 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:52 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:52 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 39d58m05.8512' ) 2024-04-11 17:27:52 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:52 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:52 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:52 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:52 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:52 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:52 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:52 INFO MSTransformManager::open Select data 2024-04-11 17:27:52 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:27:52 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 19h52m05.65239 39d58m05.8512 successfully parsed 2024-04-11 17:27:52 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:52 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:51.831824 End time: 2024-04-11 17:27:52.314790 2024-04-11 17:27:52 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:52 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:52 INFO tclean::::casa ########################################## 2024-04-11 17:27:52 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:52 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 ) 2024-04-11 17:27:52 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:52 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:52 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:52 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:52 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:52 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:52 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:52 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:52 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:52 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:52 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:53 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:53 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.015503 2024-04-11 17:27:53 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:53 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:53 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:53 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:53 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:53 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:53 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:53 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:53 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:53 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:54 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:27:54 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:54 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:54 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:54 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:54 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:54 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:54 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:54 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:54 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:54 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:52.344754 End time: 2024-04-11 17:27:53.982435 2024-04-11 17:27:54 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:54 INFO tclean::::casa ########################################## 2024-04-11 17:27:54 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:54 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:54 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) 2024-04-11 17:27:54 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:54 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:54 2024****** 2024-04-11 17:27:54 INFO ImageFitter::fit+ 2024-04-11 17:27:54 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:54 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:54 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:54 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:54 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:54 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:54 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:54 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:54 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:54 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:54 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) 2024-04-11 17:27:54 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:54 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:54 INFO imstat::::casa ########################################## 2024-04-11 17:27:54 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:54 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 ) 2024-04-11 17:27:54 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:54 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:54 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:54 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:54 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:54 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-04-11 17:27:54 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:54 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:54 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:54 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:54 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:27:54 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:27:54 INFO imstat:::: Values --- 2024-04-11 17:27:54 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:54 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:54 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:54 INFO imstat:::: -- minimum value [min]: -7.77826e-05 Jy/beam 2024-04-11 17:27:54 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:54 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:27:54 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:54 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:27:54 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:54 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:54 INFO imstat:::: Statistics --- 2024-04-11 17:27:54 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:54 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:54 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:54 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:54 INFO imstat:::: -- Median of the pixel values [median]: -1.86649e-05 Jy/beam 2024-04-11 17:27:54 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam 2024-04-11 17:27:54 INFO imstat:::: -- IQR [quartile]: 3.56026e-05 Jy/beam 2024-04-11 17:27:54 INFO imstat:::: -- First quartile [q1]: -3.45067e-05 Jy/beam 2024-04-11 17:27:54 INFO imstat:::: -- Third quartile [q3]: 1.09593e-06 Jy/beam 2024-04-11 17:27:54 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:54 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:54 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:54 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:54 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:54 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:54 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 2024-04-11 17:27:54 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:54.056889 End time: 2024-04-11 17:27:54.098880 2024-04-11 17:27:54 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:54 INFO imstat::::casa ########################################## 2024-04-11 17:27:54 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:54 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:54 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 02:39:52.3901' ) 2024-04-11 17:27:54 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:54 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:54 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:54 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:54 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:54 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:54 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:54 INFO MSTransformManager::open Select data 2024-04-11 17:27:54 INFO MSTransformManager::createOutputMSStructure Create output MS structure 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 ".". 2024-04-11 17:27:54 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 19h52m05.65239 02:39:52.3901 successfully parsed 2024-04-11 17:27:54 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:55 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:54.120766 End time: 2024-04-11 17:27:54.613824 2024-04-11 17:27:55 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:55 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:55 INFO tclean::::casa ########################################## 2024-04-11 17:27:55 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:55 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 ) 2024-04-11 17:27:55 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:55 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:55 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:55 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:55 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:55 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:55 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:55 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:55 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:55 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:55 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:55 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:55 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009927 2024-04-11 17:27:55 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:55 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:55 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:55 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:55 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:55 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:55 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:55 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:55 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:55 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:55 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:55 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:56 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:27:56 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:56 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:56 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:56 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:56 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:56 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:56 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:56 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:56 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:56 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:54.640978 End time: 2024-04-11 17:27:56.114414 2024-04-11 17:27:56 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:56 INFO tclean::::casa ########################################## 2024-04-11 17:27:56 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:56 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:56 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) 2024-04-11 17:27:56 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:56 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:56 2024****** 2024-04-11 17:27:56 INFO ImageFitter::fit+ 2024-04-11 17:27:56 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:56 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:56 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:56 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:56 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:56 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:56 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:56 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:56 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:56 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:56 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) 2024-04-11 17:27:56 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.00011688 Jy 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126496 Jy 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000034 +/- 0.000777 arcsec 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ --- dec: 127.999963 +/- 0.000097 pixels 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:56 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:56 INFO imstat::::casa ########################################## 2024-04-11 17:27:56 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:56 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 ) 2024-04-11 17:27:56 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:56 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:56 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:56 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:56 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:56 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) 2024-04-11 17:27:56 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:56 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:56 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:56 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:56 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2024-04-11 17:27:56 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2024-04-11 17:27:56 INFO imstat:::: Values --- 2024-04-11 17:27:56 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:56 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:56 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:56 INFO imstat:::: -- minimum value [min]: -7.78225e-05 Jy/beam 2024-04-11 17:27:56 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:56 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:27:56 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:56 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:27:56 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:56 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:56 INFO imstat:::: Statistics --- 2024-04-11 17:27:56 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:56 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:56 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:56 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:56 INFO imstat:::: -- Median of the pixel values [median]: -1.86781e-05 Jy/beam 2024-04-11 17:27:56 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73751e-05 Jy/beam 2024-04-11 17:27:56 INFO imstat:::: -- IQR [quartile]: 3.56365e-05 Jy/beam 2024-04-11 17:27:56 INFO imstat:::: -- First quartile [q1]: -3.45278e-05 Jy/beam 2024-04-11 17:27:56 INFO imstat:::: -- Third quartile [q3]: 1.10869e-06 Jy/beam 2024-04-11 17:27:56 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:56 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:56 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:56 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:56 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:56 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:56 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 2024-04-11 17:27:56 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:56.153921 End time: 2024-04-11 17:27:56.173367 2024-04-11 17:27:56 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:56 INFO imstat::::casa ########################################## 2024-04-11 17:27:56 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:56 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:56 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 39.968292000deg' ) 2024-04-11 17:27:56 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:56 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:56 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:56 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:56 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:56 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:56 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:56 INFO MSTransformManager::open Select data 2024-04-11 17:27:56 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:27:56 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 19h52m05.65239 39.968292000deg successfully parsed 2024-04-11 17:27:56 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:57 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:56.186301 End time: 2024-04-11 17:27:56.649789 2024-04-11 17:27:57 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:57 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:57 INFO tclean::::casa ########################################## 2024-04-11 17:27:57 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:57 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 ) 2024-04-11 17:27:57 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:57 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:57 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:57 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:57 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:57 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:57 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:57 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:57 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:57 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:57 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:57 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:57 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.018277 2024-04-11 17:27:57 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:57 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:57 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:57 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:57 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:57 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:57 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:27:57 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:27:57 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:27:57 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:27:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:27:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:27:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:27:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:27:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:27:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:27:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:27:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:27:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:27:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:27:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:27:58 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:27:58 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:27:58 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:27:58 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:27:58 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:27:58 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:27:58 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:27:58 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:27:58 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:58 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:27:58 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:56.676413 End time: 2024-04-11 17:27:58.297984 2024-04-11 17:27:58 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:27:58 INFO tclean::::casa ########################################## 2024-04-11 17:27:58 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:27:58 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:58 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) 2024-04-11 17:27:58 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:27:58 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:27:58 2024****** 2024-04-11 17:27:58 INFO ImageFitter::fit+ 2024-04-11 17:27:58 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:27:58 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:27:58 INFO ImageFitter::fit+ --- region: 2024-04-11 17:27:58 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:27:58 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:27:58 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:27:58 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:27:58 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:27:58 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:27:58 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:58 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) 2024-04-11 17:27:58 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:27:58 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:27:58 INFO imstat::::casa ########################################## 2024-04-11 17:27:58 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:27:58 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 ) 2024-04-11 17:27:58 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:27:58 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:27:58 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:27:58 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:27:58 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:27:58 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) 2024-04-11 17:27:58 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:27:58 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:27:58 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:27:58 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:27:58 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:27:58 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:27:58 INFO imstat:::: Values --- 2024-04-11 17:27:58 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:27:58 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:27:58 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:27:58 INFO imstat:::: -- minimum value [min]: -7.77826e-05 Jy/beam 2024-04-11 17:27:58 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:27:58 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:27:58 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:27:58 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:27:58 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:27:58 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:27:58 INFO imstat:::: Statistics --- 2024-04-11 17:27:58 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:27:58 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:27:58 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:27:58 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:27:58 INFO imstat:::: -- Median of the pixel values [median]: -1.86649e-05 Jy/beam 2024-04-11 17:27:58 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam 2024-04-11 17:27:58 INFO imstat:::: -- IQR [quartile]: 3.56026e-05 Jy/beam 2024-04-11 17:27:58 INFO imstat:::: -- First quartile [q1]: -3.45067e-05 Jy/beam 2024-04-11 17:27:58 INFO imstat:::: -- Third quartile [q3]: 1.09593e-06 Jy/beam 2024-04-11 17:27:58 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:27:58 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:27:58 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:27:58 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:27:58 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:27:58 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:27:58 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 2024-04-11 17:27:58 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:27:58.354132 End time: 2024-04-11 17:27:58.387192 2024-04-11 17:27:58 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:27:58 INFO imstat::::casa ########################################## 2024-04-11 17:27:58 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:58 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:27:58 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19h52m05.65239 0.697578292rad' ) 2024-04-11 17:27:58 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:27:58 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:27:58 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:27:58 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:27:58 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:27:58 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:27:58 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:27:58 INFO MSTransformManager::open Select data 2024-04-11 17:27:58 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:27:59 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 19h52m05.65239 0.697578292rad successfully parsed 2024-04-11 17:27:59 INFO phaseshift::::casa Shift phase center 2024-04-11 17:27:59 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:27:58.398936 End time: 2024-04-11 17:27:58.895431 2024-04-11 17:27:59 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:27:59 INFO phaseshift::::casa ########################################## 2024-04-11 17:27:59 INFO tclean::::casa ########################################## 2024-04-11 17:27:59 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:27:59 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 ) 2024-04-11 17:27:59 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:27:59 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:27:59 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:27:59 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:27:59 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:27:59 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:27:59 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:27:59 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:27:59 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:27:59 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:27:59 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:27:59 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:27:59 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009364 2024-04-11 17:27:59 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:27:59 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:27:59 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:27:59 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:59 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:27:59 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:27:59 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:27:59 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:27:59 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:28:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:28:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:28:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:28:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:28:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:28:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:28:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:28:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:28:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:28:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:28:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:28:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:28:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:28:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:28:00 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:28:00 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:28:00 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:28:00 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:28:00 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:28:00 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:28:00 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:28:00 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:28:00 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:00 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:28:00 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:27:58.933033 End time: 2024-04-11 17:28:00.466022 2024-04-11 17:28:00 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:28:00 INFO tclean::::casa ########################################## 2024-04-11 17:28:00 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:28:00 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:00 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) 2024-04-11 17:28:00 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:28:00 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:28:00 2024****** 2024-04-11 17:28:00 INFO ImageFitter::fit+ 2024-04-11 17:28:00 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:28:00 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:28:00 INFO ImageFitter::fit+ --- region: 2024-04-11 17:28:00 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:28:00 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:28:00 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:28:00 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:28:00 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:28:00 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:28:00 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:00 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) 2024-04-11 17:28:00 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000008 +/- 0.000777 arcsec 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ --- dec: 127.999992 +/- 0.000097 pixels 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:28:00 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:28:01 INFO imstat::::casa ########################################## 2024-04-11 17:28:01 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:28:01 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 ) 2024-04-11 17:28:01 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:28:01 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:28:01 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:28:01 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:28:01 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:01 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-04-11 17:28:01 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:28:01 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:28:01 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:28:01 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:28:01 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:28:01 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:28:01 INFO imstat:::: Values --- 2024-04-11 17:28:01 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:28:01 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:28:01 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:28:01 INFO imstat:::: -- minimum value [min]: -7.7789e-05 Jy/beam 2024-04-11 17:28:01 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:28:01 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:28:01 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:28:01 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:28:01 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:28:01 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:28:01 INFO imstat:::: Statistics --- 2024-04-11 17:28:01 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:28:01 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:28:01 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:28:01 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:28:01 INFO imstat:::: -- Median of the pixel values [median]: -1.86647e-05 Jy/beam 2024-04-11 17:28:01 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73649e-05 Jy/beam 2024-04-11 17:28:01 INFO imstat:::: -- IQR [quartile]: 3.56182e-05 Jy/beam 2024-04-11 17:28:01 INFO imstat:::: -- First quartile [q1]: -3.45079e-05 Jy/beam 2024-04-11 17:28:01 INFO imstat:::: -- Third quartile [q3]: 1.11022e-06 Jy/beam 2024-04-11 17:28:01 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:28:01 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:28:01 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:28:01 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:28:01 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:28:01 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:28:01 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285959e-03 1.524530e-01 1.521711e-01 -7.778897e-05 4.999996e+00 2024-04-11 17:28:01 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:28:00.501817 End time: 2024-04-11 17:28:00.519248 2024-04-11 17:28:01 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:28:01 INFO imstat::::casa ########################################## 2024-04-11 17:28:01 INFO phaseshift::::casa ########################################## 2024-04-11 17:28:01 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:28:01 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 39d58m05.8512' ) 2024-04-11 17:28:01 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:28:01 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:28:01 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:28:01 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:28:01 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:28:01 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:28:01 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:28:01 INFO MSTransformManager::open Select data 2024-04-11 17:28:01 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:28:01 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 19:52:05.6524 39d58m05.8512 successfully parsed 2024-04-11 17:28:01 INFO phaseshift::::casa Shift phase center 2024-04-11 17:28:01 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:28:00.530986 End time: 2024-04-11 17:28:00.994529 2024-04-11 17:28:01 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:28:01 INFO phaseshift::::casa ########################################## 2024-04-11 17:28:01 INFO tclean::::casa ########################################## 2024-04-11 17:28:01 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:28:01 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 ) 2024-04-11 17:28:01 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:28:01 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:28:01 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:28:01 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:28:01 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:28:01 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:28:01 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:28:01 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:28:01 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:28:01 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:28:01 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:28:01 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:28:01 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009309 2024-04-11 17:28:01 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:01 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:28:01 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:28:01 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:28:01 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:28:01 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:28:02 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:28:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:28:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:28:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:28:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:28:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:28:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:28:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:28:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:28:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:28:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:28:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:28:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:28:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:28:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:28:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:28:02 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:28:02 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:28:02 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:28:02 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:28:02 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:28:02 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:28:02 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:28:02 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:28:02 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:02 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:28:03 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:28:01.021561 End time: 2024-04-11 17:28:02.566508 2024-04-11 17:28:03 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:28:03 INFO tclean::::casa ########################################## 2024-04-11 17:28:03 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:28:03 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:03 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) 2024-04-11 17:28:03 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:28:03 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:28:03 2024****** 2024-04-11 17:28:03 INFO ImageFitter::fit+ 2024-04-11 17:28:03 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:28:03 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:28:03 INFO ImageFitter::fit+ --- region: 2024-04-11 17:28:03 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:28:03 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:28:03 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:28:03 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:28:03 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:28:03 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:28:03 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:03 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) 2024-04-11 17:28:03 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ --- ra: 128.000009 +/- 0.000127 pixels 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:28:03 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:28:03 INFO imstat::::casa ########################################## 2024-04-11 17:28:03 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:28:03 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 ) 2024-04-11 17:28:03 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:28:03 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:28:03 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:28:03 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:28:03 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:03 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) 2024-04-11 17:28:03 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:28:03 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:28:03 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:28:03 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:28:03 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:28:03 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:28:03 INFO imstat:::: Values --- 2024-04-11 17:28:03 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:28:03 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:28:03 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:28:03 INFO imstat:::: -- minimum value [min]: -7.77773e-05 Jy/beam 2024-04-11 17:28:03 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:28:03 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-04-11 17:28:03 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:28:03 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2024-04-11 17:28:03 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:28:03 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:28:03 INFO imstat:::: Statistics --- 2024-04-11 17:28:03 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:28:03 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:28:03 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:28:03 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:28:03 INFO imstat:::: -- Median of the pixel values [median]: -1.86786e-05 Jy/beam 2024-04-11 17:28:03 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73603e-05 Jy/beam 2024-04-11 17:28:03 INFO imstat:::: -- IQR [quartile]: 3.56014e-05 Jy/beam 2024-04-11 17:28:03 INFO imstat:::: -- First quartile [q1]: -3.45038e-05 Jy/beam 2024-04-11 17:28:03 INFO imstat:::: -- Third quartile [q3]: 1.09758e-06 Jy/beam 2024-04-11 17:28:03 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:28:03 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:28:03 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:28:03 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:28:03 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:28:03 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:28:03 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 2024-04-11 17:28:03 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:28:02.645016 End time: 2024-04-11 17:28:02.672961 2024-04-11 17:28:03 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:28:03 INFO imstat::::casa ########################################## 2024-04-11 17:28:03 INFO phaseshift::::casa ########################################## 2024-04-11 17:28:03 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:28:03 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 02:39:52.3901' ) 2024-04-11 17:28:03 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:28:03 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:28:03 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:28:03 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:28:03 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:28:03 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:28:03 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:28:03 INFO MSTransformManager::open Select data 2024-04-11 17:28:03 INFO MSTransformManager::createOutputMSStructure Create output MS structure 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 ".". 2024-04-11 17:28:03 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 19:52:05.6524 02:39:52.3901 successfully parsed 2024-04-11 17:28:03 INFO phaseshift::::casa Shift phase center 2024-04-11 17:28:03 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:28:02.690101 End time: 2024-04-11 17:28:03.169992 2024-04-11 17:28:03 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:28:03 INFO phaseshift::::casa ########################################## 2024-04-11 17:28:03 INFO tclean::::casa ########################################## 2024-04-11 17:28:03 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:28:03 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-04-11 17:28:03 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:28:03 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:28:03 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:28:03 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:28:03 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:28:03 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:28:03 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:28:03 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:28:03 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:28:03 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:28:03 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:28:03 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:28:03 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.021716 2024-04-11 17:28:03 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:03 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:28:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:28:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:28:04 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:28:04 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:28:04 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:28:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:28:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:28:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:28:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:28:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:28:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:28:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:28:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:28:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:28:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:28:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:28:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:28:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:28:04 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:28:04 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:28:04 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:28:04 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:28:04 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:28:05 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:28:05 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:28:05 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:28:05 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:28:05 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:28:05 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:05 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:28:05 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:28:03.196385 End time: 2024-04-11 17:28:04.857265 2024-04-11 17:28:05 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:28:05 INFO tclean::::casa ########################################## 2024-04-11 17:28:05 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:28:05 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:05 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) 2024-04-11 17:28:05 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:28:05 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:28:05 2024****** 2024-04-11 17:28:05 INFO ImageFitter::fit+ 2024-04-11 17:28:05 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:28:05 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:28:05 INFO ImageFitter::fit+ --- region: 2024-04-11 17:28:05 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:28:05 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:28:05 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:28:05 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:28:05 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:28:05 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:28:05 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:05 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) 2024-04-11 17:28:05 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116878 Jy 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126494 Jy 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000034 +/- 0.000777 arcsec 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ --- ra: 128.000008 +/- 0.000127 pixels 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ --- dec: 127.999963 +/- 0.000097 pixels 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:28:05 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:28:05 INFO imstat::::casa ########################################## 2024-04-11 17:28:05 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:28:05 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 ) 2024-04-11 17:28:05 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:28:05 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:28:05 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:28:05 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:28:05 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:05 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.865, I, 999981612.9Hz to 19:52:21.081, +40.22.53.889, I, 999981612.9Hz) 2024-04-11 17:28:05 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:28:05 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:28:05 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:28:05 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:28:05 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2024-04-11 17:28:05 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2024-04-11 17:28:05 INFO imstat:::: Values --- 2024-04-11 17:28:05 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:28:05 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:28:05 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:28:05 INFO imstat:::: -- minimum value [min]: -7.78143e-05 Jy/beam 2024-04-11 17:28:05 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:28:05 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:28:05 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:28:05 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:28:05 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:28:05 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:28:05 INFO imstat:::: Statistics --- 2024-04-11 17:28:05 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:28:05 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:28:05 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:28:05 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:28:05 INFO imstat:::: -- Median of the pixel values [median]: -1.86838e-05 Jy/beam 2024-04-11 17:28:05 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73769e-05 Jy/beam 2024-04-11 17:28:05 INFO imstat:::: -- IQR [quartile]: 3.5634e-05 Jy/beam 2024-04-11 17:28:05 INFO imstat:::: -- First quartile [q1]: -3.45216e-05 Jy/beam 2024-04-11 17:28:05 INFO imstat:::: -- Third quartile [q3]: 1.1124e-06 Jy/beam 2024-04-11 17:28:05 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:28:05 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:28:05 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:28:05 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:28:05 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:28:05 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:28:05 INFO imstat::ImageStatsCalculator::statistics 6.553600e+04 6.085646e+02 9.285960e-03 1.524530e-01 1.521711e-01 -7.781426e-05 4.999996e+00 2024-04-11 17:28:05 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:28:04.918703 End time: 2024-04-11 17:28:04.944006 2024-04-11 17:28:05 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:28:05 INFO imstat::::casa ########################################## 2024-04-11 17:28:05 INFO phaseshift::::casa ########################################## 2024-04-11 17:28:05 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:28:05 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 39.968292000deg' ) 2024-04-11 17:28:05 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:28:05 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:28:05 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:28:05 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:28:05 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:28:05 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:28:05 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:28:05 INFO MSTransformManager::open Select data 2024-04-11 17:28:05 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:28:05 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 19:52:05.6524 39.968292000deg successfully parsed 2024-04-11 17:28:05 INFO phaseshift::::casa Shift phase center 2024-04-11 17:28:06 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:28:04.959335 End time: 2024-04-11 17:28:05.503752 2024-04-11 17:28:06 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:28:06 INFO phaseshift::::casa ########################################## 2024-04-11 17:28:06 INFO tclean::::casa ########################################## 2024-04-11 17:28:06 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:28:06 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-04-11 17:28:06 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:28:06 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:28:06 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:28:06 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:28:06 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:28:06 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:28:06 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:28:06 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:28:06 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:28:06 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:28:06 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:28:06 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:28:06 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.01206 2024-04-11 17:28:06 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:06 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:28:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:28:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:28:06 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:28:06 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:28:06 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:28:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:28:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:28:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:28:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:28:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:28:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:28:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:28:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:28:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:28:06 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:28:06 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:28:06 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:28:06 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:28:06 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:28:07 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:28:07 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852554649114609, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:07 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:28:07 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:28:07 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:28:07 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:28:07 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:28:07 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:28:07 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:28:07 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:28:07 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:07 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:28:07 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:28:05.544194 End time: 2024-04-11 17:28:07.091662 2024-04-11 17:28:07 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:28:07 INFO tclean::::casa ########################################## 2024-04-11 17:28:07 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:28:07 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:07 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-04-11 17:28:07 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:28:07 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:28:07 2024****** 2024-04-11 17:28:07 INFO ImageFitter::fit+ 2024-04-11 17:28:07 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:28:07 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:28:07 INFO ImageFitter::fit+ --- region: 2024-04-11 17:28:07 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:28:07 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:28:07 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:28:07 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:28:07 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:28:07 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:28:07 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:07 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-04-11 17:28:07 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ --- ra: 128.000009 +/- 0.000127 pixels 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:28:07 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:28:07 INFO imstat::::casa ########################################## 2024-04-11 17:28:07 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:28:07 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-04-11 17:28:07 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:28:07 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:28:07 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:28:07 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:28:07 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:07 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-04-11 17:28:07 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:28:07 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:28:07 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:28:07 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:28:07 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:28:07 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:28:07 INFO imstat:::: Values --- 2024-04-11 17:28:07 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:28:07 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:28:07 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:28:07 INFO imstat:::: -- minimum value [min]: -7.77773e-05 Jy/beam 2024-04-11 17:28:07 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:28:07 INFO imstat:::: -- position of min value (pixel) [minpos]: [179, 172, 0, 0] 2024-04-11 17:28:07 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:28:07 INFO imstat:::: -- position of min value (world) [minposf]: 19:53:14.390, +40.11.51.660, I, 999981612.9Hz 2024-04-11 17:28:07 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:28:07 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:28:07 INFO imstat:::: Statistics --- 2024-04-11 17:28:07 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:28:07 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:28:07 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:28:07 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:28:07 INFO imstat:::: -- Median of the pixel values [median]: -1.86786e-05 Jy/beam 2024-04-11 17:28:07 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73603e-05 Jy/beam 2024-04-11 17:28:07 INFO imstat:::: -- IQR [quartile]: 3.56014e-05 Jy/beam 2024-04-11 17:28:07 INFO imstat:::: -- First quartile [q1]: -3.45038e-05 Jy/beam 2024-04-11 17:28:07 INFO imstat:::: -- Third quartile [q3]: 1.09758e-06 Jy/beam 2024-04-11 17:28:07 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:28:07 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:28:07 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:28:07 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:28:07 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:28:07 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:28:07 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 2024-04-11 17:28:07 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:28:07.154073 End time: 2024-04-11 17:28:07.179514 2024-04-11 17:28:07 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:28:07 INFO imstat::::casa ########################################## 2024-04-11 17:28:07 INFO phaseshift::::casa ########################################## 2024-04-11 17:28:07 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:28:07 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 19:52:05.6524 0.697578292rad' ) 2024-04-11 17:28:07 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:28:07 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:28:07 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:28:07 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:28:07 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:28:07 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:28:07 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:28:07 INFO MSTransformManager::open Select data 2024-04-11 17:28:07 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:28:07 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 19:52:05.6524 0.697578292rad successfully parsed 2024-04-11 17:28:07 INFO phaseshift::::casa Shift phase center 2024-04-11 17:28:08 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:28:07.194826 End time: 2024-04-11 17:28:07.775346 2024-04-11 17:28:08 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:28:08 INFO phaseshift::::casa ########################################## 2024-04-11 17:28:08 INFO tclean::::casa ########################################## 2024-04-11 17:28:08 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:28:08 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-04-11 17:28:08 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:28:08 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:28:08 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:28:08 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:28:08 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:28:08 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:28:08 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:28:08 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:28:08 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:28:08 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:28:08 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:28:08 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:28:08 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.013097 2024-04-11 17:28:08 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:08 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:28:08 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:28:08 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:28:08 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:28:08 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:28:08 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:28:08 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:08 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:28:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:28:09 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:28:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:28:09 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:28:09 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:28:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:28:09 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:28:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:28:09 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:28:09 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:28:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:28:09 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:28:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:28:09 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:28:09 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:28:09 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:28:09 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:28:09 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:28:09 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:28:09 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:28:09 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:28:09 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:28:09 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:09 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:28:09 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:28:07.802070 End time: 2024-04-11 17:28:09.416384 2024-04-11 17:28:09 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:28:09 INFO tclean::::casa ########################################## 2024-04-11 17:28:09 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:28:09 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:09 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) 2024-04-11 17:28:09 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:28:09 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:28:09 2024****** 2024-04-11 17:28:09 INFO ImageFitter::fit+ 2024-04-11 17:28:09 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:28:09 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:28:09 INFO ImageFitter::fit+ --- region: 2024-04-11 17:28:09 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:28:09 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:28:09 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:28:09 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:28:09 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:28:09 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:28:09 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:09 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) 2024-04-11 17:28:09 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116871 Jy 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126487 Jy 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000001 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000008 +/- 0.000777 arcsec 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ --- ra: 128.000009 +/- 0.000127 pixels 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ --- dec: 127.999992 +/- 0.000097 pixels 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:28:09 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:28:09 INFO imstat::::casa ########################################## 2024-04-11 17:28:09 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:28:09 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 ) 2024-04-11 17:28:09 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:28:09 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:28:09 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:28:09 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:28:09 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:09 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-04-11 17:28:09 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:28:09 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:28:09 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:28:09 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:28:09 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:28:09 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:28:09 INFO imstat:::: Values --- 2024-04-11 17:28:09 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:28:09 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:28:09 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:28:09 INFO imstat:::: -- minimum value [min]: -7.7781e-05 Jy/beam 2024-04-11 17:28:09 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:28:09 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:28:09 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:28:09 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:28:09 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:28:09 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:28:09 INFO imstat:::: Statistics --- 2024-04-11 17:28:09 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:28:09 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:28:09 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:28:09 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:28:09 INFO imstat:::: -- Median of the pixel values [median]: -1.86714e-05 Jy/beam 2024-04-11 17:28:09 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73593e-05 Jy/beam 2024-04-11 17:28:09 INFO imstat:::: -- IQR [quartile]: 3.56161e-05 Jy/beam 2024-04-11 17:28:09 INFO imstat:::: -- First quartile [q1]: -3.45125e-05 Jy/beam 2024-04-11 17:28:09 INFO imstat:::: -- Third quartile [q3]: 1.10364e-06 Jy/beam 2024-04-11 17:28:09 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:28:09 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:28:09 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:28:09 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:28:09 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:28:09 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:28:09 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 2024-04-11 17:28:09 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:28:09.452708 End time: 2024-04-11 17:28:09.471020 2024-04-11 17:28:09 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:28:09 INFO imstat::::casa ########################################## 2024-04-11 17:28:09 INFO phaseshift::::casa ########################################## 2024-04-11 17:28:09 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:28:09 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 39d58m05.8512' ) 2024-04-11 17:28:09 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:28:09 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:28:09 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:28:09 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:28:09 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:28:09 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:28:09 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:28:10 INFO MSTransformManager::open Select data 2024-04-11 17:28:10 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:28:10 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 298.023551625deg 39d58m05.8512 successfully parsed 2024-04-11 17:28:10 INFO phaseshift::::casa Shift phase center 2024-04-11 17:28:10 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:28:09.482775 End time: 2024-04-11 17:28:09.910877 2024-04-11 17:28:10 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:28:10 INFO phaseshift::::casa ########################################## 2024-04-11 17:28:10 INFO tclean::::casa ########################################## 2024-04-11 17:28:10 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:28:10 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-04-11 17:28:10 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:28:10 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:28:10 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:28:10 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:28:10 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:28:10 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:28:10 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:28:10 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:28:10 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:28:10 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:28:10 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:28:10 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:28:10 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009383 2024-04-11 17:28:10 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:10 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:28:10 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:28:10 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:28:10 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:28:10 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:28:10 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:28:10 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:28:10 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:28:10 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:28:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:28:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:28:11 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:28:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:28:11 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:28:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:28:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:28:11 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:28:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:28:11 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:28:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:28:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:28:11 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:28:11 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:28:11 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:28:11 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:28:11 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:28:11 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:28:11 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:28:11 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:28:11 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:11 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:28:11 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:28:09.937739 End time: 2024-04-11 17:28:11.422010 2024-04-11 17:28:11 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:28:11 INFO tclean::::casa ########################################## 2024-04-11 17:28:11 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:28:11 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:11 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) 2024-04-11 17:28:11 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:28:11 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:28:11 2024****** 2024-04-11 17:28:11 INFO ImageFitter::fit+ 2024-04-11 17:28:11 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:28:11 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:28:11 INFO ImageFitter::fit+ --- region: 2024-04-11 17:28:11 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:28:11 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:28:11 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:28:11 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:28:11 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:28:11 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:28:11 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:11 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) 2024-04-11 17:28:11 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:28:11 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:28:11 INFO imstat::::casa ########################################## 2024-04-11 17:28:11 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:28:11 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 ) 2024-04-11 17:28:11 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:28:11 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:28:11 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:28:11 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:28:11 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:11 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) 2024-04-11 17:28:11 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:28:11 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:28:11 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:28:11 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:28:11 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:28:11 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:28:11 INFO imstat:::: Values --- 2024-04-11 17:28:11 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:28:11 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:28:11 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:28:11 INFO imstat:::: -- minimum value [min]: -7.77826e-05 Jy/beam 2024-04-11 17:28:11 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:28:11 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:28:11 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:28:11 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:28:11 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:28:11 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:28:11 INFO imstat:::: Statistics --- 2024-04-11 17:28:11 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:28:11 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:28:11 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:28:11 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:28:11 INFO imstat:::: -- Median of the pixel values [median]: -1.86649e-05 Jy/beam 2024-04-11 17:28:11 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam 2024-04-11 17:28:11 INFO imstat:::: -- IQR [quartile]: 3.56026e-05 Jy/beam 2024-04-11 17:28:11 INFO imstat:::: -- First quartile [q1]: -3.45067e-05 Jy/beam 2024-04-11 17:28:11 INFO imstat:::: -- Third quartile [q3]: 1.09593e-06 Jy/beam 2024-04-11 17:28:11 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:28:11 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:28:11 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:28:11 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:28:11 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:28:11 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:28:11 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 2024-04-11 17:28:11 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:28:11.462667 End time: 2024-04-11 17:28:11.482597 2024-04-11 17:28:11 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:28:11 INFO imstat::::casa ########################################## 2024-04-11 17:28:11 INFO phaseshift::::casa ########################################## 2024-04-11 17:28:11 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:28:11 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 02:39:52.3901' ) 2024-04-11 17:28:12 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:28:12 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:28:12 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:28:12 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:28:12 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:28:12 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:28:12 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:28:12 INFO MSTransformManager::open Select data 2024-04-11 17:28:12 INFO MSTransformManager::createOutputMSStructure Create output MS structure 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 ".". 2024-04-11 17:28:12 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 298.023551625deg 02:39:52.3901 successfully parsed 2024-04-11 17:28:12 INFO phaseshift::::casa Shift phase center 2024-04-11 17:28:12 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:28:11.495340 End time: 2024-04-11 17:28:12.072322 2024-04-11 17:28:12 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:28:12 INFO phaseshift::::casa ########################################## 2024-04-11 17:28:12 INFO tclean::::casa ########################################## 2024-04-11 17:28:12 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:28:12 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-04-11 17:28:12 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:28:12 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:28:12 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:28:12 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:28:12 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:28:12 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:28:12 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:28:12 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:28:12 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:28:12 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:28:12 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:28:12 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:28:12 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009437 2024-04-11 17:28:12 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:12 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:28:12 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:28:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:28:13 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:28:13 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:28:13 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:28:13 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:28:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:28:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:28:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:28:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:28:13 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:28:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:28:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:28:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:28:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:28:13 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:28:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:28:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:28:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:28:13 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:28:13 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:28:13 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:28:13 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:28:13 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:28:14 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:28:14 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:28:14 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:28:14 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:28:14 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:14 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:28:14 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:28:12.109985 End time: 2024-04-11 17:28:13.749026 2024-04-11 17:28:14 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:28:14 INFO tclean::::casa ########################################## 2024-04-11 17:28:14 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:28:14 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:14 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) 2024-04-11 17:28:14 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:28:14 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:28:14 2024****** 2024-04-11 17:28:14 INFO ImageFitter::fit+ 2024-04-11 17:28:14 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:28:14 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:28:14 INFO ImageFitter::fit+ --- region: 2024-04-11 17:28:14 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:28:14 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:28:14 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:28:14 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:28:14 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:28:14 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:28:14 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:14 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) 2024-04-11 17:28:14 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.00011688 Jy 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126496 Jy 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000034 +/- 0.000777 arcsec 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ --- dec: 127.999963 +/- 0.000097 pixels 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:28:14 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:28:14 INFO imstat::::casa ########################################## 2024-04-11 17:28:14 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:28:14 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 ) 2024-04-11 17:28:14 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:28:14 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:28:14 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:28:14 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:28:14 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:14 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) 2024-04-11 17:28:14 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:28:14 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:28:14 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:28:14 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:28:14 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2024-04-11 17:28:14 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2024-04-11 17:28:14 INFO imstat:::: Values --- 2024-04-11 17:28:14 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:28:14 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:28:14 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:28:14 INFO imstat:::: -- minimum value [min]: -7.78225e-05 Jy/beam 2024-04-11 17:28:14 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:28:14 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:28:14 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:28:14 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:28:14 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:28:14 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:28:14 INFO imstat:::: Statistics --- 2024-04-11 17:28:14 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:28:14 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:28:14 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:28:14 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:28:14 INFO imstat:::: -- Median of the pixel values [median]: -1.86781e-05 Jy/beam 2024-04-11 17:28:14 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73751e-05 Jy/beam 2024-04-11 17:28:14 INFO imstat:::: -- IQR [quartile]: 3.56365e-05 Jy/beam 2024-04-11 17:28:14 INFO imstat:::: -- First quartile [q1]: -3.45278e-05 Jy/beam 2024-04-11 17:28:14 INFO imstat:::: -- Third quartile [q3]: 1.10869e-06 Jy/beam 2024-04-11 17:28:14 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:28:14 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:28:14 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:28:14 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:28:14 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:28:14 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:28:14 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 2024-04-11 17:28:14 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:28:13.795535 End time: 2024-04-11 17:28:13.819602 2024-04-11 17:28:14 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:28:14 INFO imstat::::casa ########################################## 2024-04-11 17:28:14 INFO phaseshift::::casa ########################################## 2024-04-11 17:28:14 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:28:14 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 39.968292000deg' ) 2024-04-11 17:28:14 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:28:14 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:28:14 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:28:14 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:28:14 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:28:14 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:28:14 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:28:14 INFO MSTransformManager::open Select data 2024-04-11 17:28:14 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:28:14 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 298.023551625deg 39.968292000deg successfully parsed 2024-04-11 17:28:14 INFO phaseshift::::casa Shift phase center 2024-04-11 17:28:14 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:28:13.831841 End time: 2024-04-11 17:28:14.260475 2024-04-11 17:28:14 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:28:14 INFO phaseshift::::casa ########################################## 2024-04-11 17:28:14 INFO tclean::::casa ########################################## 2024-04-11 17:28:14 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:28:14 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 ) 2024-04-11 17:28:14 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:28:14 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:28:14 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:28:14 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:28:14 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:28:14 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:28:14 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:28:14 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:28:14 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:28:14 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:28:14 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:28:15 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:28:15 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.00966 2024-04-11 17:28:15 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:15 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:28:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:28:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:28:15 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:28:15 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:28:15 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:28:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:28:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:28:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:28:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:28:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:28:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:28:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:28:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:28:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:28:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:28:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:28:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:28:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:28:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:28:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:28:15 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:28:15 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:28:15 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:28:15 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:28:15 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:28:15 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:28:15 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:28:15 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:28:15 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:15 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:28:16 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:28:14.287903 End time: 2024-04-11 17:28:15.600775 2024-04-11 17:28:16 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:28:16 INFO tclean::::casa ########################################## 2024-04-11 17:28:16 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:28:16 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:16 INFO ImageRegion::fromRecord+ [118, 118, 0, 0] to [138, 138, 0, 0] (19:53:56.970, +40.04.39.987, I, 999981612.9Hz to 19:53:43.025, +40.07.19.987, I, 999981612.9Hz) 2024-04-11 17:28:16 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:28:16 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:28:16 2024****** 2024-04-11 17:28:16 INFO ImageFitter::fit+ 2024-04-11 17:28:16 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:28:16 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:28:16 INFO ImageFitter::fit+ --- region: 2024-04-11 17:28:16 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:28:16 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:28:16 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:28:16 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:28:16 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:28:16 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:28:16 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:16 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-04-11 17:28:16 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116875 Jy 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126492 Jy 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000004 +/- 0.000777 arcsec 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:28:16 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:28:16 INFO imstat::::casa ########################################## 2024-04-11 17:28:16 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:28:16 INFO imstat::::casa imstat( imagename='im_post_phaseshift.image', axes=[], region='', box='', chans='', stokes='', listit=True, verbose=True, mask='', stretch=False, logfile='', append=True, algorithm='classic', fence=-1.0, center='mean', lside=True, zscore=-1.0, maxiter=-1, clmethod='auto', niter=3 ) 2024-04-11 17:28:16 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:28:16 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:28:16 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:28:16 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:28:16 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:16 INFO imstat::ImageRegion::fromRecord+ [0, 0, 0, 0] to [255, 255, 0, 0] (19:55:18.876, +39.48.53.864, I, 999981612.9Hz to 19:52:21.081, +40.22.53.888, I, 999981612.9Hz) 2024-04-11 17:28:16 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:28:16 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:28:16 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:28:16 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:28:16 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:28:16 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:28:16 INFO imstat:::: Values --- 2024-04-11 17:28:16 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:28:16 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:28:16 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:28:16 INFO imstat:::: -- minimum value [min]: -7.77826e-05 Jy/beam 2024-04-11 17:28:16 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:28:16 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:28:16 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:28:16 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:28:16 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:28:16 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:28:16 INFO imstat:::: Statistics --- 2024-04-11 17:28:16 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:28:16 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:28:16 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:28:16 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:28:16 INFO imstat:::: -- Median of the pixel values [median]: -1.86649e-05 Jy/beam 2024-04-11 17:28:16 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73604e-05 Jy/beam 2024-04-11 17:28:16 INFO imstat:::: -- IQR [quartile]: 3.56026e-05 Jy/beam 2024-04-11 17:28:16 INFO imstat:::: -- First quartile [q1]: -3.45067e-05 Jy/beam 2024-04-11 17:28:16 INFO imstat:::: -- Third quartile [q3]: 1.09593e-06 Jy/beam 2024-04-11 17:28:16 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:28:16 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:28:16 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:28:16 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:28:16 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:28:16 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:28:16 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 2024-04-11 17:28:16 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:28:15.658421 End time: 2024-04-11 17:28:15.682095 2024-04-11 17:28:16 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:28:16 INFO imstat::::casa ########################################## 2024-04-11 17:28:16 INFO phaseshift::::casa ########################################## 2024-04-11 17:28:16 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:28:16 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 298.023551625deg 0.697578292rad' ) 2024-04-11 17:28:16 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:28:16 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:28:16 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:28:16 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:28:16 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:28:16 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:28:16 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:28:16 INFO MSTransformManager::open Select data 2024-04-11 17:28:16 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:28:16 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 298.023551625deg 0.697578292rad successfully parsed 2024-04-11 17:28:16 INFO phaseshift::::casa Shift phase center 2024-04-11 17:28:16 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:28:15.694567 End time: 2024-04-11 17:28:16.140110 2024-04-11 17:28:16 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:28:16 INFO phaseshift::::casa ########################################## 2024-04-11 17:28:16 INFO tclean::::casa ########################################## 2024-04-11 17:28:16 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:28:16 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 ) 2024-04-11 17:28:16 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:28:16 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:28:16 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:28:16 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:28:16 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:28:16 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:28:16 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:28:16 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:28:16 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:28:16 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:28:16 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:28:16 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:28:16 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009433 2024-04-11 17:28:16 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:16 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:28:16 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:28:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:28:17 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:28:17 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:28:17 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:28:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:28:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:28:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:28:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:28:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:28:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:28:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:28:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:28:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:28:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:28:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:28:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:28:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:28:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:28:17 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:28:17 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852552320808172, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:28:17 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:28:17 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:28:17 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:28:18 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:28:18 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:28:18 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:28:18 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:28:18 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:18 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:28:18 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:28:16.167349 End time: 2024-04-11 17:28:17.757124 2024-04-11 17:28:18 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:28:18 INFO tclean::::casa ########################################## 2024-04-11 17:28:18 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:28:18 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:18 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) 2024-04-11 17:28:18 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:28:18 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:28:18 2024****** 2024-04-11 17:28:18 INFO ImageFitter::fit+ 2024-04-11 17:28:18 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:28:18 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:28:18 INFO ImageFitter::fit+ --- region: 2024-04-11 17:28:18 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:28:18 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:28:18 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:28:18 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:28:18 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:28:18 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:28:18 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:18 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) 2024-04-11 17:28:18 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116874 Jy 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126488 Jy 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ --- ra: 19:53:50.000000 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000008 +/- 0.000777 arcsec 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ --- ra: 127.999996 +/- 0.000127 pixels 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ --- dec: 127.999992 +/- 0.000097 pixels 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:28:18 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:28:18 INFO imstat::::casa ########################################## 2024-04-11 17:28:18 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:28:18 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 ) 2024-04-11 17:28:18 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:28:18 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:28:18 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:28:18 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:28:18 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:18 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) 2024-04-11 17:28:18 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:28:18 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:28:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:28:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:28:18 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:28:18 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:28:18 INFO imstat:::: Values --- 2024-04-11 17:28:18 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:28:18 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:28:18 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:28:18 INFO imstat:::: -- minimum value [min]: -7.7789e-05 Jy/beam 2024-04-11 17:28:18 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:28:18 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:28:18 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:28:18 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:28:18 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:28:18 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:28:18 INFO imstat:::: Statistics --- 2024-04-11 17:28:18 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:28:18 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:28:18 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:28:18 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:28:18 INFO imstat:::: -- Median of the pixel values [median]: -1.86647e-05 Jy/beam 2024-04-11 17:28:18 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73649e-05 Jy/beam 2024-04-11 17:28:18 INFO imstat:::: -- IQR [quartile]: 3.56182e-05 Jy/beam 2024-04-11 17:28:18 INFO imstat:::: -- First quartile [q1]: -3.45079e-05 Jy/beam 2024-04-11 17:28:18 INFO imstat:::: -- Third quartile [q3]: 1.11022e-06 Jy/beam 2024-04-11 17:28:18 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:28:18 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:28:18 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:28:18 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:28:18 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:28:18 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:28:18 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 2024-04-11 17:28:18 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:28:17.822918 End time: 2024-04-11 17:28:17.848304 2024-04-11 17:28:18 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:28:18 INFO imstat::::casa ########################################## 2024-04-11 17:28:18 INFO phaseshift::::casa ########################################## 2024-04-11 17:28:18 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:28:18 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 39d58m05.8512' ) 2024-04-11 17:28:18 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:28:18 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:28:18 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:28:18 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:28:18 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:28:18 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:28:18 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:28:18 INFO MSTransformManager::open Select data 2024-04-11 17:28:18 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:28:18 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 5.201492224rad 39d58m05.8512 successfully parsed 2024-04-11 17:28:18 INFO phaseshift::::casa Shift phase center 2024-04-11 17:28:18 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:28:17.863715 End time: 2024-04-11 17:28:18.363535 2024-04-11 17:28:18 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:28:18 INFO phaseshift::::casa ########################################## 2024-04-11 17:28:18 INFO tclean::::casa ########################################## 2024-04-11 17:28:18 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:28:18 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 ) 2024-04-11 17:28:18 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:28:18 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:28:18 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:28:18 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:28:18 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:28:18 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:28:18 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:28:18 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:28:18 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:28:19 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:28:19 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:28:19 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:28:19 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.00929 2024-04-11 17:28:19 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:19 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:28:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:28:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:28:19 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:28:19 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:28:19 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:28:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:28:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:28:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:28:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:28:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:28:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:28:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:28:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:28:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:28:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:28:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:28:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:28:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:28:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:28:19 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:28:19 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:28:19 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:28:19 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:28:19 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:28:20 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:28:20 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:28:20 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:28:20 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:28:20 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:20 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:28:20 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:28:18.398692 End time: 2024-04-11 17:28:19.859073 2024-04-11 17:28:20 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:28:20 INFO tclean::::casa ########################################## 2024-04-11 17:28:20 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:28:20 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:20 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) 2024-04-11 17:28:20 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:28:20 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:28:20 2024****** 2024-04-11 17:28:20 INFO ImageFitter::fit+ 2024-04-11 17:28:20 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:28:20 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:28:20 INFO ImageFitter::fit+ --- region: 2024-04-11 17:28:20 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:28:20 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:28:20 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:28:20 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:28:20 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:28:20 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:28:20 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:20 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) 2024-04-11 17:28:20 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116879 Jy 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126495 Jy 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ --- ra: 127.999990 +/- 0.000127 pixels 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:28:20 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:28:20 INFO imstat::::casa ########################################## 2024-04-11 17:28:20 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:28:20 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 ) 2024-04-11 17:28:20 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:28:20 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:28:20 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:28:20 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:28:20 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:20 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) 2024-04-11 17:28:20 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:28:20 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:28:20 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:28:20 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:28:20 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:28:20 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:28:20 INFO imstat:::: Values --- 2024-04-11 17:28:20 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:28:20 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:28:20 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:28:20 INFO imstat:::: -- minimum value [min]: -7.77853e-05 Jy/beam 2024-04-11 17:28:20 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:28:20 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:28:20 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:28:20 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:28:20 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:28:20 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:28:20 INFO imstat:::: Statistics --- 2024-04-11 17:28:20 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:28:20 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:28:20 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:28:20 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:28:20 INFO imstat:::: -- Median of the pixel values [median]: -1.86679e-05 Jy/beam 2024-04-11 17:28:20 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73586e-05 Jy/beam 2024-04-11 17:28:20 INFO imstat:::: -- IQR [quartile]: 3.56112e-05 Jy/beam 2024-04-11 17:28:20 INFO imstat:::: -- First quartile [q1]: -3.45109e-05 Jy/beam 2024-04-11 17:28:20 INFO imstat:::: -- Third quartile [q3]: 1.10039e-06 Jy/beam 2024-04-11 17:28:20 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:28:20 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:28:20 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:28:20 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:28:20 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:28:20 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:28:20 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 2024-04-11 17:28:20 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:28:19.896219 End time: 2024-04-11 17:28:19.914686 2024-04-11 17:28:20 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:28:20 INFO imstat::::casa ########################################## 2024-04-11 17:28:20 INFO phaseshift::::casa ########################################## 2024-04-11 17:28:20 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:28:20 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 02:39:52.3901' ) 2024-04-11 17:28:20 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:28:20 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:28:20 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:28:20 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:28:20 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:28:20 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:28:20 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:28:20 INFO MSTransformManager::open Select data 2024-04-11 17:28:20 INFO MSTransformManager::createOutputMSStructure Create output MS structure 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 ".". 2024-04-11 17:28:20 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 5.201492224rad 02:39:52.3901 successfully parsed 2024-04-11 17:28:20 INFO phaseshift::::casa Shift phase center 2024-04-11 17:28:20 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:28:19.926315 End time: 2024-04-11 17:28:20.361663 2024-04-11 17:28:20 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:28:20 INFO phaseshift::::casa ########################################## 2024-04-11 17:28:20 INFO tclean::::casa ########################################## 2024-04-11 17:28:20 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:28:20 INFO tclean::::casa tclean( vis='sim_data_pshift.ms', selectdata=True, field='', spw='', timerange='', uvrange='', antenna='', scan='', observation='', intent='', datacolumn='data', imagename='im_post_phaseshift', imsize=256, cell='8.0arcsec', phasecenter='', stokes='I', projection='SIN', startmodel='', specmode='mfs', reffreq='', nchan=-1, start='', width='', outframe='LSRK', veltype='radio', restfreq=[], interpolation='linear', perchanweightdensity=True, gridder='standard', facets=1, psfphasecenter='', wprojplanes=1, vptable='', mosweight=True, aterm=True, psterm=False, wbawp=True, conjbeams=False, cfcache='', usepointing=False, computepastep=360.0, rotatepastep=360.0, pointingoffsetsigdev=[], pblimit=-0.1, normtype='flatnoise', deconvolver='hogbom', scales=[], nterms=2, smallscalebias=0.0, fusedthreshold=0.0, largestscale=-1, restoration=True, restoringbeam=[], pbcor=False, outlierfile='', weighting='natural', robust=0.5, noise='1.0Jy', npixels=0, uvtaper=[], niter=20, gain=0.3, threshold=0.0, nsigma=0.0, cycleniter=-1, cyclefactor=1.0, minpsffraction=0.05, maxpsffraction=0.8, interactive=False, nmajor=-1, fullsummary=False, usemask='user', mask='', pbmask=0.0, sidelobethreshold=3.0, noisethreshold=5.0, lownoisethreshold=1.5, negativethreshold=0.0, smoothfactor=1.0, minbeamfrac=0.3, cutthreshold=0.01, growiterations=75, dogrowprune=True, minpercentchange=-1.0, verbose=False, fastnoise=True, restart=True, savemodel='none', calcres=True, calcpsf=True, psfcutoff=0.35, parallel=False ) 2024-04-11 17:28:20 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:28:20 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:28:20 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:28:20 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:28:20 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:28:20 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:28:20 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:28:20 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:28:20 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:28:20 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:28:20 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:28:21 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:28:21 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.010246 2024-04-11 17:28:21 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:21 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:28:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:28:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:28:21 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:28:21 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:28:21 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:28:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:28:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:28:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:28:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:28:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:28:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:28:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:28:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:28:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:28:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:28:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:28:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:28:21 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:28:21 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:28:21 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:28:21 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852551156654954, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:21 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985255, CycleNiter=2, Gain=0.3 2024-04-11 17:28:22 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:28:22 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:28:22 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:28:22 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:28:22 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:28:22 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:28:22 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:28:22 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:22 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:28:22 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:28:20.388640 End time: 2024-04-11 17:28:21.848396 2024-04-11 17:28:22 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:28:22 INFO tclean::::casa ########################################## 2024-04-11 17:28:22 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:28:22 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:22 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) 2024-04-11 17:28:22 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:28:22 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:28:22 2024****** 2024-04-11 17:28:22 INFO ImageFitter::fit+ 2024-04-11 17:28:22 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:28:22 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:28:22 INFO ImageFitter::fit+ --- region: 2024-04-11 17:28:22 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:28:22 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:28:22 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:28:22 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:28:22 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:28:22 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:28:22 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:22 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) 2024-04-11 17:28:22 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116885 Jy 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126501 Jy 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000034 +/- 0.000777 arcsec 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ --- ra: 127.999990 +/- 0.000127 pixels 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ --- dec: 127.999963 +/- 0.000097 pixels 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 250 marcsec 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:28:22 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:28:22 INFO imstat::::casa ########################################## 2024-04-11 17:28:22 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:28:22 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 ) 2024-04-11 17:28:22 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:28:22 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:28:22 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:28:22 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:28:22 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:22 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) 2024-04-11 17:28:22 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:28:22 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:28:22 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:28:22 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:28:22 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.865, I, 999981612.9Hz 2024-04-11 17:28:22 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.889, I, 999981612.9Hz 2024-04-11 17:28:22 INFO imstat:::: Values --- 2024-04-11 17:28:22 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:28:22 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:28:22 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:28:22 INFO imstat:::: -- minimum value [min]: -7.78268e-05 Jy/beam 2024-04-11 17:28:22 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:28:22 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:28:22 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:28:22 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:28:22 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:28:22 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:28:22 INFO imstat:::: Statistics --- 2024-04-11 17:28:22 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:28:22 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:28:22 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:28:22 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:28:22 INFO imstat:::: -- Median of the pixel values [median]: -1.8675e-05 Jy/beam 2024-04-11 17:28:22 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73782e-05 Jy/beam 2024-04-11 17:28:22 INFO imstat:::: -- IQR [quartile]: 3.56598e-05 Jy/beam 2024-04-11 17:28:22 INFO imstat:::: -- First quartile [q1]: -3.45364e-05 Jy/beam 2024-04-11 17:28:22 INFO imstat:::: -- Third quartile [q3]: 1.12335e-06 Jy/beam 2024-04-11 17:28:22 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:28:22 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:28:22 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:28:22 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:28:22 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:28:22 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:28:22 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 2024-04-11 17:28:22 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:28:21.885898 End time: 2024-04-11 17:28:21.904226 2024-04-11 17:28:22 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:28:22 INFO imstat::::casa ########################################## 2024-04-11 17:28:22 INFO phaseshift::::casa ########################################## 2024-04-11 17:28:22 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:28:22 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 39.968292000deg' ) 2024-04-11 17:28:22 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:28:22 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:28:22 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:28:22 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:28:22 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:28:22 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:28:22 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:28:22 INFO MSTransformManager::open Select data 2024-04-11 17:28:22 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:28:22 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 5.201492224rad 39.968292000deg successfully parsed 2024-04-11 17:28:22 INFO phaseshift::::casa Shift phase center 2024-04-11 17:28:22 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:28:21.915904 End time: 2024-04-11 17:28:22.337001 2024-04-11 17:28:22 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:28:22 INFO phaseshift::::casa ########################################## 2024-04-11 17:28:22 INFO tclean::::casa ########################################## 2024-04-11 17:28:22 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:28:22 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 ) 2024-04-11 17:28:22 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:28:22 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:28:22 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:28:22 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:28:22 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:28:22 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:28:22 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:28:22 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:28:22 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:28:22 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:28:22 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:28:23 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:28:23 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.009296 2024-04-11 17:28:23 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:23 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:28:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:28:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:28:23 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:28:23 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:28:23 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:28:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:28:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:28:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:28:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:28:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:28:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:28:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:28:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:28:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:28:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:28:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:28:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:28:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:28:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:28:23 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:28:23 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852556977421045, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:28:23 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:28:23 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:28:23 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:28:24 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:28:24 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:28:24 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:28:24 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:28:24 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:24 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:28:24 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:28:22.364169 End time: 2024-04-11 17:28:23.786603 2024-04-11 17:28:24 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:28:24 INFO tclean::::casa ########################################## 2024-04-11 17:28:24 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:28:24 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:24 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) 2024-04-11 17:28:24 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:28:24 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:28:24 2024****** 2024-04-11 17:28:24 INFO ImageFitter::fit+ 2024-04-11 17:28:24 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:28:24 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:28:24 INFO ImageFitter::fit+ --- region: 2024-04-11 17:28:24 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:28:24 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:28:24 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:28:24 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:28:24 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:28:24 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:28:24 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:24 INFO ImageRegion::fromRecord+ [5, 5] to [15, 15] (19:53:53.486, +40.05.19.997 to 19:53:46.513, +40.06.39.997) 2024-04-11 17:28:24 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116879 Jy 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126495 Jy 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000003 +/- 0.000777 arcsec 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ --- ra: 127.999990 +/- 0.000127 pixels 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ --- dec: 127.999997 +/- 0.000097 pixels 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:28:24 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:28:24 INFO imstat::::casa ########################################## 2024-04-11 17:28:24 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:28:24 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 ) 2024-04-11 17:28:24 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:28:24 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:28:24 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:28:24 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:28:24 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:24 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) 2024-04-11 17:28:24 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:28:24 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:28:24 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:28:24 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:28:24 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:28:24 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:28:24 INFO imstat:::: Values --- 2024-04-11 17:28:24 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:28:24 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:28:24 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:28:24 INFO imstat:::: -- minimum value [min]: -7.77853e-05 Jy/beam 2024-04-11 17:28:24 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:28:24 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:28:24 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:28:24 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:28:24 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:28:24 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:28:24 INFO imstat:::: Statistics --- 2024-04-11 17:28:24 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:28:24 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:28:24 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:28:24 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:28:24 INFO imstat:::: -- Median of the pixel values [median]: -1.86679e-05 Jy/beam 2024-04-11 17:28:24 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73586e-05 Jy/beam 2024-04-11 17:28:24 INFO imstat:::: -- IQR [quartile]: 3.56112e-05 Jy/beam 2024-04-11 17:28:24 INFO imstat:::: -- First quartile [q1]: -3.45109e-05 Jy/beam 2024-04-11 17:28:24 INFO imstat:::: -- Third quartile [q3]: 1.10039e-06 Jy/beam 2024-04-11 17:28:24 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:28:24 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:28:24 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:28:24 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:28:24 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:28:24 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:28:24 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 2024-04-11 17:28:24 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:28:23.843194 End time: 2024-04-11 17:28:23.866765 2024-04-11 17:28:24 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:28:24 INFO imstat::::casa ########################################## 2024-04-11 17:28:24 INFO phaseshift::::casa ########################################## 2024-04-11 17:28:24 INFO phaseshift::::casa ##### Begin Task: phaseshift ##### 2024-04-11 17:28:24 INFO phaseshift::::casa phaseshift( vis='sim_data.ms', outputvis='sim_data_pshift.ms', keepmms=True, field='', spw='', scan='', intent='', array='', observation='', datacolumn='all', phasecenter='B1950_VLA 5.201492224rad 0.697578292rad' ) 2024-04-11 17:28:24 INFO MSTransformManager::parseMsSpecParams Input file name is sim_data.ms 2024-04-11 17:28:24 INFO MSTransformManager::parseMsSpecParams Data column is ALL 2024-04-11 17:28:24 INFO MSTransformManager::parseMsSpecParams Output file name is sim_data_pshift.ms 2024-04-11 17:28:24 INFO MSTransformManager::parsePhaseShiftParams Phase shifting via TVI with support for large offset/angle 2024-04-11 17:28:24 INFO MSTransformManager::colCheckInfo Adding DATA column to output MS from input DATA column 2024-04-11 17:28:24 INFO MSTransformManager::colCheckInfo Adding CORRECTED_DATA column to output MS from input CORRECTED_DATA column 2024-04-11 17:28:24 INFO MSTransformManager::colCheckInfo Adding MODEL_DATA column to output MS from input MODEL_DATA column 2024-04-11 17:28:24 INFO MSTransformManager::open Select data 2024-04-11 17:28:24 INFO MSTransformManager::createOutputMSStructure Create output MS structure 2024-04-11 17:28:24 INFO PhaseShiftingTVI::parseConfiguration Phase center B1950_VLA 5.201492224rad 0.697578292rad successfully parsed 2024-04-11 17:28:24 INFO phaseshift::::casa Shift phase center 2024-04-11 17:28:24 INFO phaseshift::::casa Task phaseshift complete. Start time: 2024-04-11 17:28:23.878482 End time: 2024-04-11 17:28:24.400254 2024-04-11 17:28:24 INFO phaseshift::::casa ##### End Task: phaseshift ##### 2024-04-11 17:28:24 INFO phaseshift::::casa ########################################## 2024-04-11 17:28:24 INFO tclean::::casa ########################################## 2024-04-11 17:28:24 INFO tclean::::casa ##### Begin Task: tclean ##### 2024-04-11 17:28:24 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 ) 2024-04-11 17:28:24 INFO tclean::::casa Verifying Input Parameters 2024-04-11 17:28:24 INFO SynthesisImagerVi2::selectData MS : sim_data_pshift.ms | [Opened in readonly mode] 2024-04-11 17:28:24 INFO SynthesisImagerVi2::selectData NRows selected : 6318 2024-04-11 17:28:25 INFO SynthesisImagerVi2::defineImage Define image coordinates for [im_post_phaseshift] : 2024-04-11 17:28:25 INFO SynthesisImagerVi2::defineImage Impars : start 2024-04-11 17:28:25 INFO SynthesisImagerVi2::defineImage Shape : [256, 256, 1, 1]Spectral : [9.99982e+08] at [0] with increment [1e+08] 2024-04-11 17:28:25 INFO SynthesisImagerVi2::defineImage Set Gridding options for [im_post_phaseshift] with ftmachine : gridft 2024-04-11 17:28:25 INFO SynthesisImagerVi2::nSubCubeFitInMemory Required memory: 0.003433 GB. Available mem.: 10.93 GB (rc, mem. fraction: 80%, memory: -) => Subcubes: 1. Processes on node: 1. 2024-04-11 17:28:25 INFO SynthesisImagerVi2::weight() Set imaging weights : Natural weighting 2024-04-11 17:28:25 INFO task_tclean::SynthesisDeconvolver::setupDeconvolution Set Deconvolution Options for [im_post_phaseshift] : hogbom 2024-04-11 17:28:25 INFO task_tclean::SynthesisImager::makePSF ----------------------------------------------------------- Make PSF --------------------------------------------- 2024-04-11 17:28:25 INFO task_tclean::SIImageStore::calcSensitivity [im_post_phaseshift] Theoretical sensitivity (Jy/bm):0.00889601 2024-04-11 17:28:25 INFO task_tclean::SIImageStore::getPSFGaussian Time to fit Gaussian to PSF 0.016088 2024-04-11 17:28:25 INFO task_tclean::SIImageStore::printBeamSet Beam : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:25 INFO task_tclean::SynthesisImagerVi2::makePrimaryBeam vi2 : Evaluating Primary Beam model onto image grid(s) 2024-04-11 17:28:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 1 ------------------------------------- 2024-04-11 17:28:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:28:25 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Initializing new mask to 1.0 for the full image 2024-04-11 17:28:25 INFO SynthesisDeconvolver::setupMask [im_post_phaseshift] Number of pixels in the clean mask : 65536 out of a total of 65536 pixels. [ 100 % ] 2024-04-11 17:28:25 INFO SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 5, over full image : 5 2024-04-11 17:28:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 20, 'cyclethreshold': 0.6050434112548828, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.605043, CycleNiter=20, Gain=0.3 2024-04-11 17:28:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=0->4.41176, peakres=5->0.588245, Reached cyclethreshold. 2024-04-11 17:28:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 6 iterations. 2024-04-11 17:28:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 2 ------------------------------------- 2024-04-11 17:28:25 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.588239, over full image : 0.588239 2024-04-11 17:28:25 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 14, 'cyclethreshold': 0.07118194550275803, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.0711819, CycleNiter=14, Gain=0.3 2024-04-11 17:28:25 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.41176->4.93079, peakres=0.588239->0.0692057, Reached cyclethreshold. 2024-04-11 17:28:25 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 12 iterations. 2024-04-11 17:28:25 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 3 ------------------------------------- 2024-04-11 17:28:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.0692054, over full image : 0.0692054 2024-04-11 17:28:26 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 8, 'cyclethreshold': 0.008374442346394062, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.00837444, CycleNiter=8, Gain=0.3 2024-04-11 17:28:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->6 [6], model=4.93079->4.99185, peakres=0.0692054->0.00814194, Reached cyclethreshold. 2024-04-11 17:28:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 18 iterations. 2024-04-11 17:28:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 4 ------------------------------------- 2024-04-11 17:28:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00814203, over full image : 0.00814203 2024-04-11 17:28:26 INFO tclean::::casa Minor Cycle controls : {'cycleniter': 2, 'cyclethreshold': 0.0009852559305727482, 'loopgain': 0.30000001192092896, 'nsigma': 0.0, 'thresholdreached': False} 2024-04-11 17:28:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] Run Hogbom minor-cycle | CycleThreshold=0.000985256, CycleNiter=2, Gain=0.3 2024-04-11 17:28:26 INFO SDAlgorithmBase::deconvolve [im_post_phaseshift] iters=0->2 [2], model=4.99185->4.9972, peakres=0.00814203->0.00279272, Reached cycleniter. 2024-04-11 17:28:26 INFO grpcInteractiveCleanManager::mergeCycleExecutionRecord Completed 20 iterations. 2024-04-11 17:28:26 INFO task_tclean::SynthesisImager::executeMajorCycle ----------------------------------------------------------- Run Major Cycle 5 ------------------------------------- 2024-04-11 17:28:26 INFO task_tclean::SynthesisDeconvolver::initMinorCycle Absolute Peak residual within mask : 0.00279238, over full image : 0.00279238 2024-04-11 17:28:26 INFO tclean::::casa Reached global stopping criterion : iteration limit 2024-04-11 17:28:26 INFO tclean::::casa getSummary call: fullsummary=False 2024-04-11 17:28:26 INFO SDAlgorithmBase::restore [im_post_phaseshift] : Restoring model image. 2024-04-11 17:28:26 INFO SIImageStore::restore Beam for chan : 0 : 88.7245 arcsec, 77.571 arcsec, 89.1868 deg 2024-04-11 17:28:26 INFO tclean::::casa Searching for images with prefix 'im_post_phaseshift'... Found these, writing history into them: ['im_post_phaseshift.psf', 'im_post_phaseshift.image', 'im_post_phaseshift.residual', 'im_post_phaseshift.pb', 'im_post_phaseshift.model', 'im_post_phaseshift.sumwt', 'im_post_phaseshift.mask'] 2024-04-11 17:28:26 INFO tclean::::casa Task tclean complete. Start time: 2024-04-11 17:28:24.456522 End time: 2024-04-11 17:28:25.988787 2024-04-11 17:28:26 INFO tclean::::casa ##### End Task: tclean ##### 2024-04-11 17:28:26 INFO tclean::::casa ########################################## 2024-04-11 17:28:26 INFO ImageFitter::_finishConstruction No estimates file specified, so will attempt to find and fit one gaussian. 2024-04-11 17:28:26 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:26 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) 2024-04-11 17:28:26 INFO ImageFitter::fit noise FWHM not specified, so uncertainties will be computed using the beam geometric mean FWHM as the pixel noise correlation FWHM 2024-04-11 17:28:26 INFO ImageFitter::fit ****** Fit performed at Thu Apr 11 17:28:26 2024****** 2024-04-11 17:28:26 INFO ImageFitter::fit+ 2024-04-11 17:28:26 INFO ImageFitter::fit+ Input parameters --- 2024-04-11 17:28:26 INFO ImageFitter::fit+ --- imagename: /home/casatest/casa6/casatasks/tests/casashell_tests/work/test_task_phaseshift_casashell/im_post_phaseshift.image 2024-04-11 17:28:26 INFO ImageFitter::fit+ --- region: 2024-04-11 17:28:26 INFO ImageFitter::fit+ --- channel: 0 2024-04-11 17:28:26 INFO ImageFitter::fit+ --- stokes: I 2024-04-11 17:28:26 INFO ImageFitter::fit+ --- mask: 2024-04-11 17:28:26 INFO ImageFitter::fit+ --- include pixel range: [] 2024-04-11 17:28:26 INFO ImageFitter::fit+ --- exclude pixel range: [] 2024-04-11 17:28:26 INFO ImageFitter::_fitsky Fitter was able to find a solution in 7 iterations. 2024-04-11 17:28:26 INFO ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:26 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) 2024-04-11 17:28:26 INFO ImageMaskAttacher::makeMask Created mask `mask0' 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop *** Details of fit for channel number 0 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ Number of pixels used in fit: 441 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ Input and residual image statistics (to be used as a rough guide only as to goodness of fit) 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ --- Standard deviation of input image: 1.29486 Jy 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ --- Standard deviation of residual image: 0.000116869 Jy 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ --- RMS of input image: 1.85675 Jy 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ --- RMS of residual image: 0.000126485 Jy 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ Fit on im_post_phaseshift.image component 0 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ Position --- 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ --- ra: 19:53:49.999999 +/- 0.000089 s (0.001016 arcsec along great circle) 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ --- dec: +040.06.00.000008 +/- 0.000777 arcsec 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ --- ra: 127.999990 +/- 0.000127 pixels 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ --- dec: 127.999992 +/- 0.000097 pixels 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ Image component size (convolved with beam) --- 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 1.478829 +/- 0.000040 arcmin 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 1.292924 +/- 0.000030 arcmin 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ --- position angle: 89.1862 +/- 0.0071 deg 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ Clean beam size --- 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 88.72 arcsec 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 77.57 arcsec 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ --- position angle: 89.19 deg 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ Image component size (deconvolved from beam) --- 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ --- major axis FWHM: 967 +/- 249 marcsec 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ --- minor axis FWHM: 829 +/- 378 marcsec 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ --- position angle: 85 +/- 73 deg 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ Flux --- 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ --- Integrated: 5.00036 +/- 0.00022 Jy 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ --- Peak: 4.99978 +/- 0.00013 Jy/beam 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ --- Polarization: I 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ Spectrum --- 2024-04-11 17:28:26 INFO ImageFitter::_fitLoop+ --- frequency: 999.9816 MHz (29.97980 cm) 2024-04-11 17:28:26 INFO imstat::::casa ########################################## 2024-04-11 17:28:26 INFO imstat::::casa ##### Begin Task: imstat ##### 2024-04-11 17:28:26 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 ) 2024-04-11 17:28:26 INFO imstat::CasacRegionManager::fromBCS No directional region specified. Using full positional plane. 2024-04-11 17:28:26 INFO imstat::CasacRegionManager::fromBCS Using all spectral channels. 2024-04-11 17:28:26 INFO imstat::CasacRegionManager::fromBCS Using polarizations ALL 2024-04-11 17:28:26 INFO imstat::image::statistics Determining stats for image im_post_phaseshift.image 2024-04-11 17:28:26 INFO imstat::ImageRegion::fromRecord Selected bounding box : 2024-04-11 17:28:26 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) 2024-04-11 17:28:26 INFO imstat::ImageStatsCalculator::_logStartup Statistics calculated using Classic algorithm 2024-04-11 17:28:26 INFO imstat::ImageStatsCalculator::_logStartup Regions --- 2024-04-11 17:28:26 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (pixel) [blc]: [0, 0, 0, 0] 2024-04-11 17:28:26 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (pixel) [trc]: [255, 255, 0, 0] 2024-04-11 17:28:26 INFO imstat::ImageStatsCalculator::_logStartup -- bottom-left corner (world) [blcf]: 19:55:18.876, +39.48.53.864, I, 999981612.9Hz 2024-04-11 17:28:26 INFO imstat::ImageStatsCalculator::_logStartup -- top-right corner (world) [trcf]: 19:52:21.081, +40.22.53.888, I, 999981612.9Hz 2024-04-11 17:28:26 INFO imstat:::: Values --- 2024-04-11 17:28:26 INFO imstat:::: -- flux density [flux]: 4.99436 Jy 2024-04-11 17:28:26 INFO imstat:::: -- number of points [npts]: 65536 2024-04-11 17:28:26 INFO imstat:::: -- maximum value [max]: 5 Jy/beam 2024-04-11 17:28:26 INFO imstat:::: -- minimum value [min]: -7.77956e-05 Jy/beam 2024-04-11 17:28:26 INFO imstat:::: -- position of max value (pixel) [maxpos]: [128, 128, 0, 0] 2024-04-11 17:28:26 INFO imstat:::: -- position of min value (pixel) [minpos]: [77, 84, 0, 0] 2024-04-11 17:28:26 INFO imstat:::: -- position of max value (world) [maxposf]: 19:53:50.000, +40.06.00.000, I, 999981612.9Hz 2024-04-11 17:28:26 INFO imstat:::: -- position of min value (world) [minposf]: 19:54:25.508, +40.00.07.661, I, 999981612.9Hz 2024-04-11 17:28:26 INFO imstat:::: -- Sum of pixel values [sum]: 608.565 Jy/beam 2024-04-11 17:28:26 INFO imstat:::: -- Sum of squared pixel values [sumsq]: 1523.18 Jy/beam.Jy/beam 2024-04-11 17:28:26 INFO imstat:::: Statistics --- 2024-04-11 17:28:26 INFO imstat:::: -- Mean of the pixel values [mean]: 0.00928596 Jy/beam 2024-04-11 17:28:26 INFO imstat:::: -- Variance of the pixel values : 0.023156 Jy/beam 2024-04-11 17:28:26 INFO imstat:::: -- Standard deviation of the Mean [sigma]: 0.152171 Jy/beam 2024-04-11 17:28:26 INFO imstat:::: -- Root mean square [rms]: 0.152453 Jy/beam 2024-04-11 17:28:26 INFO imstat:::: -- Median of the pixel values [median]: -1.86648e-05 Jy/beam 2024-04-11 17:28:26 INFO imstat:::: -- Median of the deviations [medabsdevmed]: 1.73536e-05 Jy/beam 2024-04-11 17:28:26 INFO imstat:::: -- IQR [quartile]: 3.5639e-05 Jy/beam 2024-04-11 17:28:26 INFO imstat:::: -- First quartile [q1]: -3.45152e-05 Jy/beam 2024-04-11 17:28:26 INFO imstat:::: -- Third quartile [q3]: 1.12373e-06 Jy/beam 2024-04-11 17:28:26 INFO imstat::ImageStatsCalculator::statistics Sum column unit = Jy/beam 2024-04-11 17:28:26 INFO imstat::ImageStatsCalculator::statistics+ Mean column unit = Jy/beam 2024-04-11 17:28:26 INFO imstat::ImageStatsCalculator::statistics+ Std_dev column unit = Jy/beam 2024-04-11 17:28:26 INFO imstat::ImageStatsCalculator::statistics+ Minimum column unit = Jy/beam 2024-04-11 17:28:26 INFO imstat::ImageStatsCalculator::statistics+ Maximum column unit = Jy/beam 2024-04-11 17:28:26 INFO imstat::ImageStatsCalculator::statistics Npts Sum Mean Rms Std_dev Minimum Maximum 2024-04-11 17:28:26 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 2024-04-11 17:28:26 INFO imstat::::casa Task imstat complete. Start time: 2024-04-11 17:28:26.025062 End time: 2024-04-11 17:28:26.042728 2024-04-11 17:28:26 INFO imstat::::casa ##### End Task: imstat ##### 2024-04-11 17:28:26 INFO imstat::::casa ########################################## Using configuration file ~/.casa/config.py Using matplotlib backend: agg CASA 6.6.4.14a13606.dev7 -- Common Astronomy Software Applications [6.6.4.14a13606.dev7] 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} Running tests... ---------------------------------------------------------------------- ............. ---------------------------------------------------------------------- Ran 13 tests in 308.709s OK Generating XML reports...